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Nexsan UNITYHardware Reference Guide

Nexsan 900 E. Campbell, CA 95008 | p. 866.263.9726 | www.nexsan.com

Firmware Version: UNITY1.3

Copyright © 2010—2016Nexsan, Inc.. All RightsReserved.

TrademarksNexsan® is a trademarkor registered trademarkof Nexsan, Inc.. The Nexsan logo is a registered trademarkof Nexsan, Inc..

All other trademarksand registered trademarksare the property of their respective owners.

PatentsThis product is protected byone or more of the following patents, and other pending patent applicationsworldwide:

United StatespatentsUS8,191,841, US8,120,922;

United Kingdom patentsGB2466535B, GB2467622B, GB2467404B, GB2296798B, GB2297636B

Regulatory ComplianceUnited States Statement for FCC: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant toPart 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment isoperated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used inaccordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residentialarea is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.Electromagnetic Emissions: FCC Class A, EN 55022 Class A, EN 61000-3-2/-3-3, CISPR 22 Class A, ICES-003Electromagnetic Immunity: EN 55024/CISPR 24, (EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-8,EN 61000-4-11)

Safety: CSA/EN/IEC/UL 60950-1 Compliant, UL or CSA Listed (USA and Canada), CE Marking (Europe)RoHS: RoHS2 (Global), RoHS (China)Other international regulatory compliance: KCC (South Korea), SABS/NCRS (South Africa), C-Tick/RCM (Australia, New Zealand), VCC (Japan)California Best Management Practices Regulations for Perchlorate Materials: This Perchlorate warning applies only to products containing CR(Manganese Dioxide) Lithium coin cells. Perchlorate Material-special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate.

About This DocumentUnauthorized use, duplication, or modification of this document in whole or in part without the written consent of Nexsan Corporation is strictlyprohibited.Nexsan, Inc. reserves the right to make changes to this manual, as well as the equipment and software described in this manual, at any timewithout notice. This manual may contain links to web sites that were current at the time of publication, but have since been moved or becomeinactive. It may also contain links to sites owned and operated by third parties. Nexsan is not responsible for the content of any such third-partysite.

http://www.dtsc.ca.gov/hazardouswaste/perchlorate

Contents

About this manual vAudience vConventions v

Text vNotes, Tips, Cautions, andWarnings v

Contacting Nexsan viRelated documentation vii

Nexsan UNITY viiNexsan E-Series vii

Safety notices viii

Chapter 1: UNITY2000 hardware 1UNITY2000C Front and rear views 3UNITY2000C General specifications 4UNITY2000P Front and rear views 5UNITY2000P General specifications 6UNITY2000 Front panel LEDs 8

Control panel LEDs 8Drive carrier LEDs 9

Chapter 2: UNITY4000 hardware 10UNITY4000 Front and rear views 12UNITY4000 Front panel LEDs 13


UNITY4000General specifications 14

Chapter 3: UNITY5000 hardware 16UNITY5000 Front and rear views 17UNITY5000 Front panel LEDs 18


UNITY5000General specifications 20

Chapter 4: UNITY6000 hardware 21UNITY6000 Hardware components 22UNITY6000 Front and rear views 23UNITY6000 Front panel LEDs 24


UNITY6000 Rear panel LEDs 26UNITY6000General specifications 28

Chapter 5: UNITY Vault Protection Module hardware 29UNITY Vault ProtectionModule front view 30

Nexsan UNITYwww.nexsan.com iii

http://www.imation.com/en/nexsan/

UNITY Vault ProtectionModule rear view 30UNITY Vault ProtectionModule front panel LEDs and LCD screen 31Using the UNITY Vault ProtectionModule LCD menu 33Modifying the UNITY Vault ProtectionModule settings 34UNITY Vault ProtectionModule general specifications 38

Glossary 39

Index 50

Nexsan UNITYwww.nexsan.com iv


About this manualThis Hardware ReferenceGuide provides hardware information for the following platforms. For installationprocedures, please refer to the appropriate Quick Start Guide.

Nexsan UNITY2000CTM

Nexsan UNITY2000PTM

Nexsan UNITY4000™

Nexsan UNITY5000™

Nexsan UNITY6000™

This guide describes how to set upmultipathing for Linux andWindows host systems.

AudienceThis guide has been prepared for the following audience:

IT system administrators

Engineers

Technicians

ConventionsText

Cross-references (both internal and to the titles of other documents), hyperlinks, URLs, and emailaddresses are displayed in underlined blue.

Text that refers to labels on the physical unit or interactive items in the graphical user interface (GUI) is inboldface.

Text that is displayed in the command-line interface (CLI) or text that refers to file or directory names is inmonospace.

Text strings that must be entered by the user in the command-line interface or in text fields in the graphicaluser interface (GUI) is in monospace bold.

Systemmessages and non-interactive items in the graphical user interface (GUI) are in italic.

References to Software User Guides are in italic.

Notes, Tips, Cautions, and WarningsNote Notes contain important information, present alternative procedures, or call attention to certain items.Tip Tips contain handy information for end-users, such as other ways to perform an action.

CAUTION: In hardwaremanuals, cautions alert the user to items or situations whichmay causedamage to the unit or result in mild injury to the user, or both. In softwaremanuals, cautions alerts theuser to situations whichmay cause data corruption or data loss.

WARNING: Warnings alert the user to items or situations which may result in severe injuryor death to the user.

About this manual

Nexsan UNITYwww.nexsan.com v


Contacting NexsanNexsan Headquarters900 E Hamilton Ave, Suite 230

Campbell, CA 95008 USA

Support (US): +1 866-463-9726

Support (Worldwide): +1 760-690-1111

E-mail: [email protected]

Nexsan Canada1405 TransCanada Highway, Suite 300

Dorval, QC HP92V9Canada

Support (Canada): +1 866-463-9726

Nexsan Shipping302 Enterprise Street , Suite A

Escondido, CA 92029 USA

Nexsan UKUnits 33–35, Parker Centre, Mansfield Road

Derby, DE21 4SZ United Kingdom

Support (Europe): +44 (0)1332 291600

Contacting Nexsan

Nexsan UNITYwww.nexsan.com vi

mailto:[email protected]


Related documentationThe following Imation product manuals contain related information.

Nexsan UNITYNexsan UNITY2000CTM Quick Start Guide

Nexsan UNITY2000PTM Quick Start Guide

Nexsan UNITY4000™Quick Start Guide



Nexsan UNITY224X™Quick Start Guide

Nexsan UNITY2000XCTM Quick Start Guide

Nexsan UNITY2000XPTM Quick Start Guide

Nexsan UNITY Hardware ReferenceGuide

Nexsan UNITY HardwareMaintenanceGuide

Nexsan UNITY Software User Guide

Nexsan UNITY nxadminCommand-line Interface ReferenceGuide

Nexsan UNITY nxcmdCommand-line Interface ReferenceGuide

Nexsan UNITY Snapshots and Replication Guide

Nexsan UNITY Expander Unit ReferenceGuide

Nexsan UNITY VMware Best Practices Guide

Nexsan UNITY NFS Interoperability

Nexsan UNITY Networking Best Practices Guide

Nexsan E-SeriesNexsan E-Series E18™/E18X™Quick Start Guide

Nexsan E-Series E18™/E18V™ Installation andMaintenanceManual

Nexsan E-Series E18X™/E18XV™ Installation andMaintenanceManual

Nexsan E-Series E60™/E48™/E60X™/E48X™Quick Start Guide

Nexsan E-Series E60™/E60V™/E60VT™/E48™/E48V™/E48VT™ Installation andMaintenanceManual

Nexsan E-Series E60X™/E60XV™/E48X™/E48XV™ Installation andMaintenanceManual

Nexsan E-Series E32V™ Installation Guide

Nexsan E-Series E32V™FRU Removal and Replacement Guide

Nexsan E-Series RAID Storage User Manual

Nexsan E-Series Snapshots and Replication Software User Guide

Related documentation

Nexsan UNITYwww.nexsan.com vii


Safety noticesAlways observe the following precautions to reduce the risk of injury and equipment damage:

Computer components and disk drives are sensitive to static discharge. Take precautions to dischargeany electrostatic charge from your person before and while handling components with your hands or anytools. Use an anti-static wrist-strap.

The system only be installed in a clean, dry environment. The operating temperature is 10º to 35º C (50º to95º F), with operating relative humidity at 20 to 95%, non-condensing.

Do not install the system in an enclosed cabinet or other small area without ventilation.

Ensure correct liftingmethods are used when handling the unit. Special care should be taken whenremoving the unit from its packaging and positioning it into its required location. When lifting the system,two people at either end should lift slowly with their feet spread out to distribute the weight. Always keepyour back straight and lift with your legs.

When installing the system as a rack-mounted component, ensure that all Nexsan-suppliedmountingfixtures are secure. All bolts and screws should be fully tightened. Failure to comply with this may result inthe unit not being fully supported in the rack and could lead to the product falling from the rack causingpersonal injury or falling onto other rack components.

Ensure that the rack is sufficiently stable by having wall anchors and/or stabilizing legs, and that the floorsupporting the rack has sufficient strength for the overall weight loading.

Only a fully-trained Service Engineer is authorized to disassemble any other part of the unit, and then onlywhen the unit is powered off.

The system has multiple power connections; as a result, youmust remove all power leads to completelyisolate the power and always use the IEC power cords which are supplied with the system.

CAUTION: All Nexsan UNITY expander units and Nexsan E-Series storage units are hot-pluggable.However, the unit that you are addingmust be powered on AFTER you connect it to the existing unit.

Safety notices

Nexsan UNITYwww.nexsan.com viii


The Nexsan UNITY2000™ deployment includes two UNITY2000 controllers with automatic failover andActive/Active Clustering. The UNITY2000 includes a Host Bus Adapter (SAS) for connectivity to NexsanUNITY expander units. Each controller includes a chassis inter-connect Host Bus Adapter used formultipathing, providing high speed, low-latency communication between the two UNITY2000 controllers.The UNITY2000 is available in these configurations:

Capacity-optimized: The UNITY2000C is an entry-level system comprised of dual-controllers andinternal storage. Optionally, you can connect an external Nexsan UNITY2000XC expansion unit to it.UNITY2000C is a 3U chassis and uses 16 drives (14 data NL-SAS drives, 1 FASTierWrite Cache device,and 1 FASTier Read Cache device). The FASTier cache devices support both read and write caching. Thecapacity-optimized configuration is best suited for:

backup

unstructured files

specific applications that benefit from advanced caching

video streaming

Note The UNITY2000C is available in a half-populated configuration with 9 drives instead of 16 (7 dataSAS drives, 1 FASTierWrite Cache device, and 1 FASTier Read Cache device).

Performance-optimized: The UNITY2000P is an entry-level system comprised of dual-controllers anduses an external Nexsan UNITY2000XP expansion unit. The UNITY2000P is a 2U chassis and uses 24drives (20 data SAS drives, 2 spare SAS drives, 1 FASTierWrite Cache device, and 1 FASTier ReadCache device). The performance-optimized configuration is best suited for:

server virtualization environments

virtual desktop infrastructure (VDI)

databases

storage consolidation /multiple workloads

Note The UNITY2000P is available in a half-populated configuration with 13 drives instead of 24 (11 dataSAS drives, 1 FASTierWrite Cache device, 1 FASTier Read Cache device).

The UNITY2000 is available in thesemodels:

Nexsan UNITY2000C: Intel Xeon CPU, 48GB of RAM, 120V

Nexsan UNITY2000P: Intel Xeon CPU, 48GB of RAM, 220V

Chapter 1

Chapter 1:UNITY2000 hardware

The amount of storage and FASTier cache devices is allocated as follows:

Configuration Storage FASTier Read cache FASTier Write Cache

Capacity-optimized:

With an expansion unit:

half-populated:

18TB to 54 TBUp to 108 TB14TB

400GB800GB400GB

8GB8GB8GB

Performance-optomized:

With an expansion unit:

half-populated:

5.4 TB to 10.8 TBUp to 21.6 TB6.45TB

400GB to 800GB800GB to 1600GB400GB

8GB8GB8GB

This section includes these topics:

UNITY2000C Front and rear views 3UNITY2000C General specifications 4UNITY2000P Front and rear views 5UNITY2000P General specifications 6UNITY2000 Front panel LEDs 8

Chapter 1: UNITY2000 hardware—

Nexsan UNITY Hardware ReferenceGuidewww.nexsan.com

2

http://www.nexsan.com/

UNITY2000CFront and rear viewsThese diagrams represent the front and rear views of the capacity-optimized UNITY2000.

Figure 1-1: UNITY2000C Front view

Figure 1-2: UNITY2000C Rear view

Table 1-1: UNITY2000C rear components

Rear components Optional PCIe cards for connectivity

1. Power supply units

2. Fan assemblies

3. On-board GigE LAN ports (2 per node):

RIGHT port: Primary data network interface(nx0)

LEFT port: Management Interface (nx99)and IPMI interface

4. KVM connections

5. Storage connectivity:Dual-port SAS PCIe to Serial Attached SCSI(HD Mini-SAS) host bus adapter

6. Connectivity to Fibre Channel hosts:Dual-port 8Gb Fibre Channel to Express HostBus AdapterNote If you did not purchase a Fibre Channelcard, you can use this slot for an additionalnetwork card, which can be any of thesupported NICs mentioned below.

7. Network connectivity:

10GbE dual-port network PCIe card withRJ-45 interfaces, or

10GbE dual-port network PCIe card withSFP+ SR interfaces, or

GigE quad-port network PCIe card with RJ-45 interfaces, or

Chapter 1: UNITY2000 hardware—UNITY2000C Front and rear views


3


UNITY2000CGeneral specificationsThis section describes the UNITY2000C hardware specifications.

Hardware component Specifications

System Up to 16 drives with 3.5'' SAS disk drives

Rail kit mounting 3U enclosure height

The rack can have round holes or square roles

Maximum distances: 30" (800mm)

Redundant components 2 power supply units

Cooling fans

Enclosure physicaldimensions

Height 5.2'' 132mmWidth 17.2'' 437mmLength 24.2'' 615mmWeight 85 lbs.

90 lbs.38.6 kg (no drives installed)40.8 kg (all drives installed)

Advanced power andcooling units

Power supply: 920W

Power consumption: varies depending on the number and size of drives,running fans, and room temperature

Input voltage: 100-240V

AC input frequency: 50/60 Hz

AC input amperage: 11-4.5 Amp

DC output: 4 Amp@ +5V standby; 75 Amp@ +12V

With Power Distributor: +5V: 45 Amp; +3.3V: 24 Amp; -12V: 0.6 Amp

Cooling system: 12 fans (4 cm)

6 counter-rotating fans at the front of each node

6 counter-rotating fans at the rear of each node

Power supply: 2 fans (one per power supply)

Chapter 1: UNITY2000 hardware—UNITY2000C General specifications


4


UNITY2000P Front and rear viewsThese diagrams represent the front and rear views of the performance-optimized UNITY2000.

Figure 1-3: UNITY2000P Front view

Figure 1-4: UNITY2000P Rear view

Table 1-2: UNITY2000P rear components



2. Fan assemblies


Right port: Primary data network interface(nx0)

Left port: Management Interface (nx99) andIPMI interface

4. KVM connections

5. Storage connectivity:Single SAS port PCIe to Serial Attached SCSI(HD Mini-SAS) host bus adapter



10GbE dual-port network card with RJ-45interfaces, or

10GbE dual-port network card with SFP+SR interfaces, or

GigE quad-port network card with RJ-45interfaces

Chapter 1: UNITY2000 hardware—UNITY2000P Front and rear views


5


UNITY2000PGeneral specificationsThis section describes the UNITY2000P hardware specifications.


System up to 24 drives (2.5” SAS and/or SSD drives)


Cable specifications:19.6''( 500mm)minimum118.1'' (3000mm)maximum

Field Replaceable Units(FRU)

Disk drives and drive carrier blanks

APC units

I/Omodules

I/Omodule slot blanks


Height 3.5'' 88.9mmWidth 17.6'' 447mmLength 26.75'' 679mmWeight 85 lbs.

90 lbs.38.6 kg (no drives installed)40.8 kg (all drives installed)

Power supply units Power supply: 920W

AC Input voltage: 100-240 V

AC Input frequency: 50-60 Hz

AC Input amperage: 11-4.5 Amp

DC Output: 4 Amp@ +5V standby; 75 Amp@ +12V


Maximum output power: 550W


Chapter 1: UNITY2000 hardware—UNITY2000P General specifications


6



Cooling system:

2 hot-swappable APC units

Variable speed blowers, two per APC. Total of four blowers perenclosure.Notes:

The UNITY224X/UNITY2000XP can run temporarily (for nomore thanfiveminutes) with a single APC unit while you install a new one. Youmust install a second APC unit as quickly as possible to maintaincorrect airflow and cooling.

In the event of a power supply failure, the blowers in the failed supplywill continue to operate on power provided by the redundant APC unit.

Chapter 1: UNITY2000 hardware—UNITY2000P General specifications


7


UNITY2000 Front panel LEDsThe LEDs on the control panel and the drive carriers keep you constantly informed of the overall status of thesystem and the activity and health of specific components.

Control panel LEDsThe control panel located on the right side of the UNITY appliance's chassis has several LEDs. These LEDsprovide you with critical information related to the node on the same side of the chassis.This table describes what each LED indicates when illuminated and any corrective action youmay need totake.Table 1-3: UNITY2000 control panel LEDs

LED Description

PowerIndicates power is being supplied to the system's power supply units. This LED isilluminated when the system is operating.

HeartbeatIndicates that power is being supplied to the server board. This LED flashes amber toindicate normal activity.

NIC1Indicates network activity on the LAN1 port when flashing.


Power failureIndicates a power supply module as failed. The second power supply module will take theload and keep the system running but the failedmodule will need to be replaced. This LEDis OFF when the system is operating normally.

Overheat/fan failure

When this LED flashes, it indicates a fan failure.

When it is ON continuously, it indicates an overheat condition, whichmay be caused bycables obstructing the airflow in the system or the ambient room temperature being toowarm.

This LED will remain flashing or on as long as the indicated condition exists.

► Perform these steps:

Chapter 1: UNITY2000 hardware—UNITY2000 Front panel LEDs


8


LED Description

1. Check the routing of the cables andmake sure all fans are present and operatingnormally.

2. Check tomake sure that the chassis covers are installed.

3. Verify that the heat sinks are installed properly.

Drive carrier LEDsEach drive carrier on the UNITY appliance's chassis has two LEDs, a green LED on the left to indicateactivity, and a red LED on the right to indicate status.Table 1-4: UNITY2000 drive carrier LEDs

LED Description

Green When illuminated, the green LED on the drive carrier indicates the drive is powered on.

If this LED is not lit, it means no power is being provided for the drive.

Red A steady red LED indicates a drive failure.

A blinking red LED indicates that a RAID rebuild is in progress.

Chapter 1: UNITY2000 hardware—UNITY2000 Front panel LEDs


9


The Nexsan UNITY4000™ deployment includes two UNITY4000 controllers with automatic failover andActive/Active Clustering in a 2U form factor. The Nexsan UNITY4000™ includes a quad-port Host BusAdapter (SAS) for connectivity to the Nexsan E-Series. Each controller includes a chassis inter-connect HostBus Adapter used for multipathing, providing high speed, low-latency communication between the twoUNITY4000 controllers.The UNITY4000 is available in these configurations:

Capacity-optimized: Mid-range system comprised of dual-controllers and external Nexsan E-Seriesstorage. Up to 2 E-Series head units can be connected, each with up to 2 Expander units. The capacity-optimized version of the UNITY4000 uses Nexsan E18V, E48VT, or E60VT arrays. The capacity-optimized configuration is best suited for:

backup

unstructured files

specific applications that benefit from advanced caching

Performance-optimized: Mid-range system comprised of dual-controllers and external Nexsan E-Seriesstorage. Up to 2 E-Series head units can be connected, each with up to 2 Expander units. Theperformance-optimized version of the UNITY4000 uses Nexsan E32V arrays. The performance-optimizedconfiguration is best suited for:

server virtualization environments

virtual desktop infrastructure (VDI)

databases

storage consolidation /multiple workloads

The UNITY4000 is available in thesemodels:

Nexsan UNITY4000: Intel Xeon CPU, 48GB of RAM, 120V

Nexsan UNITY4000G: Intel Xeon CPU, 48GB of RAM, 220V

For all models, a variety of storage and FASTier Read cache devices can be allocated:

Configuration Storage FASTier Read cache FASTier Write cache

Capacity-optimized 25 TB to 1,037 TB (2.1PB)

400GB to 3,200GB 8GB

Performance-optimized 13 TB to 104 TB 800GB to 3,200GB 8GB

Chapter 2



UNITY4000 Front and rear views 12UNITY4000 Front panel LEDs 13UNITY4000General specifications 14

Chapter 2: UNITY4000 hardware —


11


UNITY4000 Front and rear viewsThese diagrams represent the front and rear views of the UNITY4000.

Figure 2-1: UNITY4000 Front view

Figure 2-2: UNITY4000 Rear view

Table 2-1: UNITY4000 rear components



2. Fan assemblies


RIGHT port: Network connectivity with theUNITY Vault ProtectionModule

LEFT port: Management Interface (nx99)and IPMI interface

4. KVM connections

5. Storage connectivity:SAS Quad port PCIe to Serial Attached SCSI(HD Mini-SAS) host bus adapter


7. Network connectivity (nx0):

10GbE Dual-port Network card with RJ-45interfaces, or

10GbE Dual-port Network card with SFP+SR interfaces, or

GigE Quad-port Network card with RJ-45interfaces

Chapter 2: UNITY4000 hardware —UNITY4000 Front and rear views


12




LED Description











Chapter 2: UNITY4000 hardware —UNITY4000 Front panel LEDs


13


LED Description





LED Description





UNITY4000General specificationsThis section describes the UNITY4000 hardware specifications.







APC units

I/Omodules



Height 3.5'' 88.9mmWidth 17.6'' 447mmLength 26.75'' 679mm


Power supply: 920W

Chapter 2: UNITY4000 hardware —UNITY4000General specifications


14





AC Input amperage: 4-9 Amp

AC Input amperage: 11-4.5 Amp






Cooling system:







15


The UNITY5000 is a high-end storage unit in a 3U form factor with no single point-of-failure architecture,including: dual redundant storage controllers with automatic failover and full Active/Active Clusteringcapability; redundant, hot-swappable power supply units; and interface link aggregation for full networkingredundancy. The UNITY5000 also provides a dedicatedmanagement/IPMI network interface.The UNITY5000 is available in these configurations:

Nexsan NST5100™:

Nexsan NST5110™: NAS (CIFS/NFS) support only

Nexsan NST5120™: Block (iSCSI and Fibre Channel) support

Nexsan NST5130™: Block (iSCSI and Fibre Channel) and NAS (CIFS/NFS) support

Nexsan NST5300™:

Nexsan NST5310™: NAS (CIFS/NFS) support only

Nexsan NST5320™: Block (iSCSI and Fibre Channel) support

Nexsan NST5330™: Block (iSCSI and Fibre Channel) and NAS (CIFS/NFS) support


UNITY5000 Front and rear views 17UNITY5000 Front panel LEDs 18UNITY5000General specifications 20

Chapter 3








2. Fan assemblies


Top port (LAN2): LAN/data networkinterface (on someNST5000models)

Bottom port (LAN1): Management and IPMIinterfaces (on all models)

4. KVM connections

5. Storage connectivity:Single SAS port PCIe to Serial Attached SCSI(HD Mini-SAS) host bus adapter


10GbE dual-port network PCIe card withRJ-45 interfaces, or

10GbE dual-port network PCIe card withSFP+ SR interfaces, or

GigE dual-port network PCIe card with RJ-45 interfaces, or

GigE quad-port network PCIe card with RJ-45 interfaces



17



7. Host connectivity:

SAS quad-port PCIe to Serial AttachedSCSI (SAS) host bus adapter, or

Fibre Channel quad-port 8Gb to PCIExpress Host Bus AdapterNote Data connectivity cards are NOToptional on the NST5300.



LED Description








18


LED Description










LED Description







19




System Up to 16 drives with 3.5'' SAS disk drives


The rack can have round holes or square rolesNote The NST5000 rail kit does not handle round holes. Imationmustprovide adapters to compensate.

Maximum distances: 30" (800mm)


Cooling fans


Height 5.2'' 132mmWidth 17.2'' 437mmLength 24.2'' 615mmWeight NST5100/NST5100X

84 lbsNST530068 lbs

38.1 Kg

30.1 Kg

Advanced power andcooling units

Power supply: 1,200W


Input voltage: 100-240V

AC input voltage: 11.5A@100V; 5.5A@ 240V

AC input frequency: 50/60 Hz

AC input amperage: 11-4.5 Amp

DC output voltage: 12V (100A@ 240V), +5Vsb (6A@ 240V, 4A@ 100V)

DC output: 4 Amp@ +5V standby; 75 Amp@ +12V


Cooling system: 12 fans (4 cm)

6 counter-rotating fans at the front of each node

6 counter-rotating fans at the rear of each node

Power supply: 2 fans (one per power supply)



20


The Nexsan UNITY6000™ deployment includes two UNITY6000 controllers with automatic failover andActive/Active Clustering. Each controller includes two Host Bus Adapters (Fibre Channel or SAS) forconnectivity to the Nexsan E-Series, two Host Bus Adapters (Fibre Channel) for host access, as well as a10GbE I/Omodule for data connectivity. Each controller also includes a chassis inter-connect Host BusAdapter used for multipathing, providing high speed, low-latency communication between the two UNITY6000controllers.The UNITY6000 provides block (iSCSI and Fibre Channel) and NAS (CIFS/NFS) support for all availablemodels:

UNITY6530™: Dual Intel CPU, 96GB of RAM – 120 Volts

UNITY6530G™: Dual Intel CPU, 96GB of RAM – 230 Volts

Fibre Channel allows exposure to all ports, all LUNs.This section includes these topics:

UNITY6000 Hardware components 22UNITY6000 Front and rear views 23UNITY6000 Front panel LEDs 24UNITY6000 Rear panel LEDs 26UNITY6000General specifications 28

Chapter 4


UNITY6000 Hardware componentsThis table lists the hardware components of the UNITY6000.Table 4-1: UNITY6000 hardware components

Component Description

SAS connectors High Performance 6Gb/s SAS controllers

Drive bays Up to 24 hot-swap drive bays with 2.5" FASTier Read cache devices

System power 2 redundant, hot-swappable power supply units ( AC 750W Platinum). This powerredundancy feature allows you to replace a failed powermodule without shuttingdown the system.

Rear ports for theUNITY6000

The rear of the chassis includes 4 on-board gigabit Ethernet (GigE) RJ-45 ports, with1 port dedicated to the UNITY6000management interface and IPMI.Each UNITY6000 controller includes two Host Bus Adapters (Fibre Channel or SAS)for connectivity to Nexsan storage, two Host Bus Adapters (Fibre Channel) for hostaccess, as well as a 10GbE I/Omodule for data connectivity.

Front panel The front panel has one control panel to provide you with systemmonitoring andcontrol. LEDs indicate system power, network (NIC) activity, system overheat andpower supply failure. Each drive carrier also has LEDs to indicate the drive status.

Cooling system TheUNITY6000 chassis has five redundant, hot-swappable fans, located behind thedrive bays. The five 60x38-mm fans and an embedded fan for each installed powersupply, provide the primary airflow for the system. The system is designed for fanredundancy when configured with two power supply modules. Fan redundancy is lostif more than one fan is in a failed state.

Chapter 4: UNITY6000 hardware —UNITY6000 Hardware components


22






Rear components

1. Power supply unit 1

2. Power supply unit 2

3. NIC 1: management interface (nx99) and IPMI

4. NIC 2: data connectivity with UNITY VaultProtectionModule

5. NIC 3: unused

6. NIC 4: unused

7. Video port (for console access)

8. RJ-45 Serial port A (unused)

9. 3 USB ports (keyboard/mouse connectivity)

10. RJ-45 NIC port (optional IPMI port)

11. 10GbE I/Omodule for data connectivity(configured as the primary data networkinterface, nx0)Note The 10GbE I/Omodule auto-detectsnetwork speed. The Dual-port RJ-45 10GbEI/Omodule is required for networks using 1GbEconnection.

12. Host Bus Adapters for connectivity (unused—reserved for future use)

13. Dual-port 8GbHost Bus Adapters forconnectivity to Fibre Channel or GbE hosts

14. Host Bus Adapters for connectivity to Nexsanstorage:

SAS Dual-port or Quad-port 8GbHost BusAdapters

Fibre Channel Dual-port or Quad-port HBAsalso available; please see your Imationsales representative.



23


Rear components

15. Chassis inter-connect Host Bus Adapter withQSFP+ to QSFP+ (SFF-8436 to SFF-8436)external cables (also used for private0 networkinterface)

16. Serial port B (unused)

UNITY6000 Front panel LEDsThere are several LEDs on the control panel of the UNITY6000, and on the drive carriers, to keep youconstantly informed of the overall status of the system and the activity and health of specific components.

Control panel LEDsThe control panel located on the right side of the UNITY6000 have several LEDs. These LEDs provide youwith critical information related to the corresponding node.This table describes what each LED indicates when illuminated and any corrective action youmay need totake.Table 4-3: UNITY6000 Control panel LEDs

LED Description

Power LED: Indicates power is being supplied to the system's power supply units. ThisLED is illuminated when the system is operating.

System status LED: Bi-color (Green/Amber) indicator that shows the current health of theserver system. The system provides two locations for this feature; one is located on theFront Control Panel, the other is located on the back edge of the server board, viewablefrom the back of the system. Both LEDs are tied together and show the same state.

Off indicates that the system is powered off.

A solid green LED indicates that the system is running and is healthy.



24


LED Description

A blinking green LED indicates the system is degraded although still functional or itindicates the system is operating in a redundant state but with an impending failurewarning. Possible causes can be:

Redundancy loss, such as power-supply or fan

Fan warning or failure when the number of fully operational fans is more thanminimum number needed to cool the system

Non-critical threshold crossed – Temperature, voltage, input power to power supply,output current for main power rail from power supply and Processor Thermal Controlsensors

Power supply predictive failure occurred while redundant power supply configurationwas present.

Internal memory errors

Battery failure

Power Unit sensor offset for configuration

A blinking amber LED indicates that the system is operating in a degraded state and islikely to fail. Possible causes can be:

Critical threshold crossed – Voltage, temperature, input power to power supply,output current for main power rail from power supply and thermal sensors

Minimum number of fans to cool the system are not present or failed

Hard drive fault

Power Unit Redundancy sensor indicates not enough power supplies present

Memory uncorrectable errors

A solid amber LED indicates that the system is halted. Possible causes can be:

CPU failure

Power fault

Runtimememory uncorrectable error

Temperature issues

Fatal error in processor initialization, such as processor family or model not identical

Drive Activity LED: Indicates drive activity from the on-board hard disk controllers. Theserver board also provides a header giving access to this LED for add-in controllers.

System ID button with integrated LED: Toggles the integrated ID LED and the Blueserver board ID LED on and off. The System ID LED identifies the system for maintenancewhen the system is installed in a rack of similar server systems.

System cold reset button: When pressed, this button reboots and re-initializes thesystem.



25


LED Description

Network Activity LEDs: The Front Control Panel includes an activity LED indicator foreach on-board Network Interface Controller (NIC). When a network link is detected, theLED turns on solid. The LED blinks once network activity occurs at a rate that isconsistent with the amount of network activity that is occurring.

Non-maskable interrupt (NMI) button: When the NMI button is pressed, it puts theserver in a halt state and issues a non-maskable interrupt. This can be useful whenperforming diagnostics for a given issue where amemory download is necessary to helpdetermine the cause of the problem. To prevent an inadvertent system halt, the actual NMIbutton is located behind the Front Control Panel faceplate where it is only accessible withthe use of a small tipped tool like a pin or paper clip.

Drive carrier LEDsEach drive carrier on the UNITY6000 has two LEDs, a green LED on the left to indicate activity, and an amberLED on the right to indicate status.Table 4-4: UNITY6000 Drive carrier LEDs

LED Description

Green A steady green LED indicates the drive is powered on and there is no drive activity.

A green LED blinking off indicates the drive is powered on and the drive is processing acommand.

Amber A steady amber LED indicates a drive failure.

A blinking amber LED indicates that a RAID rebuild is in progress.

UNITY6000 Rear panel LEDsYou can view the status of the connection between the two UNITY6000 units by looking at the LED color onthe chassis inter-connect HBA. The chassis inter-connect HBA has two ports, and each port has two LEDs,one at the top and one at the bottom. For this release, the bottom LEDs are not enabled, so you see colors onthe top LEDs only.Table 4-5: UNITY6000 chassis inter-connect HBA LEDs

Left (top) LED Right (top) LED Description

When starting the UNITY6000

No color No color The HBA driver is off.

Red blinking slowly The cable on the left port is disconnected.

Red blinking slowly The cable on the right port is disconnected.

Green blinking slowly The cable on the left port is connected, but thehandshake is not established with the other

Chapter 4: UNITY6000 hardware —UNITY6000 Rear panel LEDs


26


Left (top) LED Right (top) LED Description

UNITY6000 controller.

Green blinking slowly The cable on the right port is connected, but thehandshake is not established with the otherUNITY6000 controller.

Solid Green The cable on the left port is connected, and thehandshake is established with the other UNITY6000controller.

Solid Green The cable on the right port is connected, and thehandshake is established with the other UNITY6000controller.

Scenarios

Solid Green Red blinking slowly The cable on the left port is connected, and thehandshake is established with the other UNITY6000controller.The cable on the right port is disconnected.

Green blinking slowly Green blinking slowly Both cables are connected, but the handshake is notestablished with the other UNITY6000 controller.

Solid green Solid green Both cables are connected and the handshake isestablished with the other UNITY6000 controller.

Issues

Alternating between redand green

Alternating between redand green

The connection is resetting.

Solid red Solid red The HBA driver is in error state.

Red blinking fast Red blinking fast The HBA driver is in error state.

Chapter 4: UNITY6000 hardware —UNITY6000 Rear panel LEDs


27









APC units

I/Omodules



Height 3.5'' 88.9mmWidth 17.6'' 447mmLength 26.75'' 679mm


Power supply: 720W



AC Input amperage: 4-9 Amp




Cooling system:







28


The UNITY Vault ProtectionModule (UNITY VPM) provides battery backup and protection to theUNITY4000/ UNITY6000 in case of power outage. Both controllers are connected to two UNITY VPM unitsfor power redundancy.The UNITY VPM units provide power to the UNITY appliance for fiveminutes so that all I/O operations savedon the FASTier write cache, since the power interruption, can be written to an internal Solid State Drive (SSD)in each controller. Under normal conditions, each UNITY VPM powers its own controller, and therefore has noneed to share the power load with the other UNITY VPM.The UNITY VPM is available in twomodels:

5P 1550GR—208V/230V unit

5P 1500R—120V unit


UNITY Vault ProtectionModule front view 30UNITY Vault ProtectionModule rear view 30UNITY Vault ProtectionModule front panel LEDs and LCD screen 31Using the UNITY Vault ProtectionModule LCD menu 33Modifying the UNITY Vault ProtectionModule settings 34UNITY Vault ProtectionModule general specifications 38

Chapter 5

Chapter 5:UNITY Vault Protection Module hardware

UNITYVault ProtectionModule front viewThis diagram represents the front view of the UNITY Vault ProtectionModule (UNITY VPM).

Figure 5-1: UNITY VPM front view

The front view is equipped with an LCD screen that provides status on operations, load/equipment, battery, aswell as information on efficiency. By default, the LCD screen displays a screen saver after 5minutes ofinactivity.

Figure 5-2: UNITY VPM LCD screen and LEDs

UNITYVault ProtectionModule rear viewThese diagrams represent the rear views of the UNITY Vault ProtectionModule (UNITY VPM), per modeltype.

Figure 5-3: UNITY VPM rear view—5P 1500R

Table 5-1: UNITY VPM rear components—5P 1500R

5P 1500R rear components

1. Ethernet connectivity with the UNITYappliance

2. LED indicating the SiteWiring Fault (SWF)alarm

3. Connection to AC power source

4. RS232 communication port (not used)

7. Ground screw

8. Two power connections; one goes to the firstUNITY appliance controller and the other goesto the second UNITY appliance controller.

9. Two programmable outlets for Group 1 (notused)

Chapter 5: UNITY Vault ProtectionModule hardware —UNITY Vault ProtectionModule front view


30


5P 1500R rear components

5. USB communication port (not used)

6. Connector for ROO (remote ON/OFF) or RPO(Remote Power OFF) control (not used)

10. One programmable outlet for Group 2 (not used)

Figure 5-4: UNITY VPM rear view—5P 1550GR

Table 5-2: UNITY VPM rear components—5P 1550GR

5P 1550GR Rear components

1. Ethernet connectivity with the UNITYappliance

2. Connection to AC power source

3. RS232 communication port (not used)

4. USB communication port (not used)

5. Connector for ROO (remote ON/OFF) or RPO(Remote Power OFF) control (not used)

6. Ground screw

7. Three power connections; one goes to the firstUNITY appliance controller and another onegoes to the second UNITY appliance controller.(The third outlet is not used.)

8. Two programmable outlets for Group 1 (notused)

9. One programmable outlet for Group 2 (not used)

UNITYVault ProtectionModule front panel LEDs and LCD screenThis table describes what each LED indicates and any corrective action youmay need to take.

LED Description

Green

The UNITY VPM is operating normally.

Yellow

The UNITY VPM is running on battery mode.

Red

The UNITY VPM is powered on and has an active alarm; for possible causes, seeTroubleshooting on the next page.

This table describes status information provided by the UNITY VPM LCD screen.

Chapter 5: UNITY Vault ProtectionModule hardware —UNITY Vault ProtectionModule front panel LEDs and LCD screen


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Status Description

Normal mode The UNITY VPM is operating normally.

Standby mode The UNITY VPM is not powered on. Press the power button to start the UNITYVPM.

In AVR mode

No beep

The UNITY VPM is operating normally but the device voltage in outside normalmode threshold. This can happen if the UNITY VPM is powering the UNITYappliance through an automatic voltage regulation device. The UNITY applianceis still normally protected.

On Battery

Battery LED is on andthere is 1 beep every 10seconds

The UNITY VPM is powering the UNITY appliance with the battery power. Pre-pare the UNITY appliance for shutdown.

End of backup time

1 beep every 3 seconds

The UNITY VPM is powering the UNITY appliance with the battery power andthe battery is running low. This warning is approximate, and the actual time toshutdownmay vary significantly. Depending on the UNITY VPM load, the "Bat-tery Low" warningmay occur before the battery reaches 20% capacity.

Troubleshooting

Batteries disconnected The internal batteries are disconnected or the UNITY VPM does not recognizethe internal batteries. Verify that all batteries are properly connected. If thecondition persists, call Imation Technical Support.

Overload There is a power overload; power requirements exceed the UNITY VPM capa-city (greater than 105% of nominal). The UNITY VPM continues to operate, butmay shut down if the load increases.

End of battery life The end of the battery life is reached. Contact Imation Technical Support forbattery replacement.

Event An event is occurring. Address the event so that the UNITY VPM goes back tonormal mode.

Fault The UNITY VPM has an internal fault and does not protect the UNITY applianceanymore. If this happens, take note of the alarm message and the UNITY VPMserial number, then call Imation Technical Support.

Chapter 5: UNITY Vault ProtectionModule hardware —UNITY Vault ProtectionModule front panel LEDs and LCD screen


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Using the UNITYVault ProtectionModule LCDmenuThis section describes themainmenu functions of the UNITY VPM LCD screen. For an extended list ofmenus, seeModifying the UNITY Vault ProtectionModule settings on the next page.

► To use the UNITY VPM menus:

1. Press the Enter button to activate themenu options.

2. Press the twomiddle buttons ( and ) to scroll through themenu structure.

3. Press the Enter button to select an option.

4. Press the button to cancel or return to the previous menu.

Table 5-3: UNITY VPM LCD display functions

Main menu Submenu Display information / menu function

Measurements LoadW VA / Load A pf / Output V Hz / Input V Hz / Battery Vmin / Efficiency / Power usage

Control Load Segments Group 1: ON / OFFGroup 2: ON / OFFNote These commands overrule user settings for loadsegments.

Start battery test Starts amanual battery test

Reset fault state Clears active faults—the UNITY VPMmust be restarted.

Restore factorysettings

Returns all settings to original values.

Reset power usage Clears power usagemeasurements.

Settings Local settings Sets product general parameters.

Input / output settings Sets Input and output parameters.

ON / OFF settings Sets ON / OFF conditions.

Battery settings Sets battery configuration.

Fault log Displays event log or alarms.

Identification UNITY VPM Type / Part Number / Serial Number / Firmwarerelease / Com card address

Chapter 5: UNITY Vault ProtectionModule hardware —Using the UNITY Vault ProtectionModule LCD menu


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Modifying the UNITYVault ProtectionModule settingsThis table displays the options that you can change using the LCD screen on the UNITY Vault ProtectionModule (UNITY VPM) front panel; see UNITY Vault ProtectionModule front view on page 30.Table 5-4: UNITY VPM user-defined settings

Description Available settings

Local settings

Language Menus, status, notices and alarms, faults, Event Log data and settings are all inthese supported languages:

English (default)

Français

Deutsch

Italiano

Português

Español

Русский

The language setting is available when the UNITY VPM is powered for the firsttime.

LCD settings Modifies LCD screen brightness and contrast to adapt to room light conditions.

Audible alarm Enables or disables the buzzer if an alarm occurs. The available settings are:

Enabled (default)

Disabled on battery

Always disabled

In/Out settings

Output voltage On regular models, the available settings are:

100 V

120 V

125 V

OnGmodels, the available settings are:

200 V

208 V

220 V

230 V

240 V

Chapter 5: UNITY Vault ProtectionModule hardware —Modifying the UNITY Vault ProtectionModule settings


34



The output voltage setting is available when the UNITY VPM is powered for thefirst time.

Input thresholds Normal mode (default)

Extendedmode

The Extendedmode reduces lower input voltage to 70 V before the UNITY VPMtransfers to battery. This can be used if the load can withstand low voltagesupply.

Sensitivity High (default): the UNITY VPM transfers to battery when the UNITYappliance conditions are becoming bad.

Low: the UNITY VPM does not transfer to battery.

Load segments - Autostart delay

The connected load is powered after the specified delay:

No Delay

1 s

2 s

...

65354 s

By default, the autostart delay is 3 seconds for Group 1, and 6 seconds forGroup 2.

Load segments - Autoshutdown delay

During a power outage, this setting authorizes the UNITY VPM to turn off powerto equipment connected to Group 1 and/or Group 2 outlets. This feature allowsthe shedding of non-critical loads in order to conserve battery power for criticalloads connected to the Primary group.

Disable (default both Group 1 andGroup 2)

0s

1 s

2 s

…

65354 s

Overload pre-alarm This sets critical percentage of load where alarm overload alarm occurs:

10%

15%

20%

...

100%



35



105% (default)

On/Off settings

Cold start Disable

Enable (default)

Enables the product to be started on battery power. The first cold start is alwaysdisabled .

Forced reboot Disable

Enable (default)

If the primary UNITY appliance controller recovers during a shutdown sequence:

if the forced reboot is enabled, the shutdown sequence completes and waits10 seconds prior to restart;

if the forced reboot is disabled, the shutdown sequence does not complete andrestart occurs immediately.

Auto restart Disable

Enable (default)

Enables the product to restart automatically whenmains recovers after acomplete battery discharge.

Energy saving Disable (default)

Enable

When enabled, the UNITY VPM shuts down after 5minutes of back-up time, if noload is detected on the output.

Sleepmode Disable (default): LCD and communication turns OFF immediately after theUNITY VPM is OFF.

Enable: LCD and communication stays ON 1 hour and 30minutes after theUNITY VPM is OFF.

Remote command Disable

Enable (default)

When enabled, shutdown or restart commands from software are authorized.

Battery settings

Automatic battery test This setting is available only if the battery chargemode is set to Constant charge:

No test

Every day

Every week (default)



36



Every month

Low battery warning The alarm triggers when the set percentage of battery capacity is reached duringbackup. The default is 20%.

1%

2%

...

100%

Restart battery level If set, automatic restart occurs only when the percentage of battery charge isreached.

0% (default)

1%

2%

...

100%

Battery chargemode ABM cycling (default)

Constant charge

Deep dischargeprotection

Yes (default)

No

If set to Yes, the UNITY VPM automatically prevents battery from deepdischarge by adapting the end of backup time voltage threshold.



37


UNITYVault ProtectionModule general specificationsThis section describes the UNITY Vault ProtectionModule hardware specifications.


Units 5P 1550GR 208/230V units with network connectivityor

5P 1500R 120V units with network connectivity

Rail Kit mounting 1U enclosure height

The rack must have round holes.


UNITY Vault ProtectionModule physicaldimensions

Width 17.2'' 438mmHeight 1.7'' 43mmDepth 21.8'' 554mm

Weight 5P 1500R 43.5 lbs. 19.72 kg5P 1550GR 42.7 lbs. 19.4 kg

Chapter 5: UNITY Vault ProtectionModule hardware —UNITY Vault ProtectionModule general specifications


38


Glossary

110Gb Ethernet

A 10 gigabit per second (Gb/s) Ethernet con-nection using either fiber-optic cables or twisted-pair copper wires.

10Gb iSCSIAn iSCSI connection that runs on a 10Gb Eth-ernet network.

AActive Directory

Microsoft Active Directory® is a directory ser-vice that stores directory information on a net-work andmakes this information available tonetwork users and administrators. AD storesinformation about user accounts, such asnames, passwords, phone numbers, and so on,and enables other authorized users on the samenetwork to access this information.

Anti-static wrist-strapAn antistatic device used to prevent elec-trostatic discharge (ESD) by safely grounding aperson working on electronic equipment. Alsocalled an ESD strap or a grounding bracelet.

Asynchronous data replicationAsynchronous data replication allows you to rep-licate data between two s —a primary and aremote (or secondary) system—over a LAN orWAN connection. The asynchronous data rep-lication function provides off-site disaster recov-ery protection for the . It delivers high-performance asynchronous replication of yourdata over both LAN andWAN networks, provid-ing protection from site-specific and regional dis-asters. The ’s asynchronous data replicationfunction uses snapshot-based replication tech-nology: when you initiate data replication, theasynchronous data replication function takes asnapshot of the data on the primary and sends

either the entire contents up to the snapshot tothe remote —in the case of an initial data rep-lication; or, only the changes since the last rep-lication—in the case of an incremental update.Because the asynchronous data replication func-tion takes a snapshot of the source data (on theprimary system), the data always remainsaccessible to clients during replication. Addi-tionally, the asynchronous data replication func-tion keeps track of data transfers duringreplication by checkpointing the data stream. Ifdata replication is interrupted—due to a networkdisconnect issue—the asynchronous data rep-lication function automatically restarts replicationfrom themost recent checkpoint. The asyn-chronous data replication function includes fea-tures that reduce bandwidth consumption duringdata replication, and consequently minimize theinfrastructure cost of data replication and dis-aster recovery. Specifically, the asynchronousdata replication function only replicates the datathat changed since the last replication—which sig-nificantly reduces replication time and bandwidthrequirements, particularly where only small partsof large files change or where only sharemetadata has changed on the primary site.

Automatic replicationIn asynchronous replication, an automatic rep-lication refers to a scheduled replication thatoccurs according to a schedule you define. Youcan configure a separate replication schedule foreach storage pool on the .

BBit

The smallest unit of digital data, representing a0 or a 1. Abbreviated “b”.

Boot driveThe device from which a computer’s operatingsystem is loaded. Typically, an internal hard diskdrive (or one of several partitions on such a drive)is used for this purpose, but any attached stor-age device—such as an optical disc drive, a USBflash drive, a SATADom, or other attached stor-age—can be used.

Glossary

Nexsan UNITY Hardware ReferenceGuidewww.imation.com/nexsan

39


CCHAP authentication

iSCSI initiators and targets prove their identityto each other using the Challenge HandshakeAuthentication Protocol (CHAP). You can useCHAP authentication to restrict iSCSI access toLUNs on the to servers (initiators) that providethe correct user name and password (or secret)combination. The ’s iSCSI implementationprovides several layers of CHAP authentication.

CIFS(Common Internet File System) The protocolused inWindows environments for sharedfolders.

Command-line interfaceA means of interaction between a human userand a computer program, or between two pro-grams, where the user (or client) passes com-mands in the form of a line of text to a computerprogram. The Nexsan offers a command-lineinterface. Abbreviated “CLI”.

ControllerThe controller in the acts as the interfacebetween the and network clients. The has twocontroller nodes, represented by the Clustersnode in E-Centre™, for which you can configureboth cluster and network settings. Can also bereferred to as Controller Node or Node.

DDHCP

(Dynamic Host Configuration Protocol) A com-munication protocol that lets network admin-istrators manage centrally and automate theassignment of Internet Protocol (IP) addresses ina network.

DIMMDual In-lineMemory Module. The type of ran-dom-access memory (RAM) that the Nexsanuses.

Directory ServiceA directory service is the software system thatstores, organizes and provides access to inform-ation in a directory. A directory service called anaming service, maps the names of networkresources to their respective network addresses.With the name service type of directory, a userdoes not have to remember the physical addressof a network resource; providing a namewill loc-ate the resource. Each resource on the networkis considered an object on the directory server.Information about a particular resource is storedas attributes of that object. Information withinobjects can bemade secure so that only userswith the available permissions are able to accessit. In LDAP, the name is called the Distinguishedname (DN) and is used to refer to a collection ofattributes (relative distinguished names) whichmake up the name of a directory entry.

DNS(Domain Name System) A program or computerserver that implements a name-service protocol.It maps a human-recognizable identifier to a sys-tem-internal, often numeric, identification oraddressing component (usually an IP address).

EE-Centre

Web-based graphical user interface for man-aging and E-Series storage devices. It provides ahierarchical view of a site and overall systemcomponents; as well as wizard-based con-figuration tools for creating storage pools, file sys-tems, shares, replication sites, and forperforming other storagemanagement tasks onthe system.

Electrostatic discharge (ESD)The sudden andmomentary electric current thatflows between two objects at different electricalpotentials caused by direct contact or induced byan electrostatic field. Potentially harmful to elec-tronic components.

Glossary


40


EthernetA local area network (LAN) architecture using abus or star topology and supporting data transferrates of 10, 100, and 1000Mbps. It is one of themost widely implemented LAN standards. The802.11 protocols are often referred to as “wire-less Ethernet.”

Event logA record of system events that tracks inform-ational, warning, and error events, such as whensignificant milestones are reached or when errorsoccur during activity.

Expansion ControllerA module of Nexsan NST5100X expansionunits that connects via SAS to a NexsanNST5100 storage unit’s Controller Node.

FFailover

The capability of a system to switch over auto-matically to a redundant or standby system uponthe failure or abnormal termination of the pre-viously active system. In Nexsan s, failoverdescribes one Controller Node taking over thehost connections and storage pool control of theother Controller Node when that controller fails.

FASTier™Imation’s proprietary cache system that usesSSD or NVDIMM technology to increase randomI/O performance of SATA and SAS disk drives.

FCCThe Federal Communications Commission; thefederal agency that regulates electromagneticemissions.

Fibre ChannelA gigabit (Gb) speed network technology primar-ily used for storage networking and the currentstandard connection type for storage area net-works (SANs). Despite its name, Fibre Channelsignaling can run on both twisted-pair copperwire and fiber-optic cables.

Fibre Channel portAny entity that actively communicates over aFibre Channel network. Usually implemented ina device such as disk storage or a Fibre Channelswitch. Depending on the system, the FibreChannel ports on Nexsan storage units can sup-port 2Gb/s, 4Gb/s, or 8Gb/s connections.

Fibre Channel switchA network switch compatible with the FibreChannel protocol. Allows the creation of a FibreChannel network, which is currently the corecomponent of most storage area networks(SANs).

Fibre Channel targetA storage system end-point on the that usesFibre Channel connectivity. Each storage poolcan have one or multiple Fibre Channel targets.Fibre Channel targets can be seen by all ports onthe .

FirmwareSoftware stored in read-only memory (ROM) orprogrammable ROM (PROM), therefore becom-ing a permanent part of a computing device.

Full replicationIn asynchronous replication, full replicationrefers to a replication operation that sends all thedata on the primary to the remote . Only the initialreplication, when you first set up asynchronousdata replication between two systems, is a fullreplication. All successive replications are incre-mental.

GGateway

An internetworking system that joins togetherthe different subnets of a network or two net-works that use different base protocols. A net-work gateway can be implemented completely insoftware, completely in hardware, or as a com-bination of both.

Glossary


41


GbGigabit. Approximately one billion(1,000,000,000) bits.

Gb/sGigabits (Gb) per second. Used to describe thespeed of network data transmission.

Gigabit interface converterA standard for transceivers, commonly usedwith Gigabit (Gb) Ethernet and Fibre Channel,with a hot-swappable electrical interface. Gigabitinterface converter ports can support a widerange of physical media, from copper to opticalfiber, at lengths of hundreds of kilometers.

Graphical user interface (GUI)A type of user interface that allows users tointeract with electronic devices using imagesrather than text commands. Nexsan storageunits use a graphical user interface for systemconfiguration

HHost

A computer, server, or other device whichaccesses the shares in a Nexsan storage sys-tem. The host can be connected to the storagesystem with a Fibre Channel connection, aniSCSI connection, or a SAS connection.

HTTPThe Hypertext Transfer Protocol is an applic-ation protocol for distributed, collaborative, hyper-media information systems. HTTP is thefoundation of data communication for theWorldWideWeb. Hypertext is structured text that useslogical links (hyperlinks) between nodes con-taining text. HTTP is the protocol to exchange ortransfer hypertext.

HTTPS(HTTP Secure) Communications protocol forsecure communication over a computer network,with especially wide deployment on the Internet.Technically, it is not a protocol in itself; rather, itis the result of simply layering the Hypertext

Transfer Protocol (HTTP) on top of the SSL/TLSprotocol, thus adding the security capabilities ofSSL/TLS to standard HTTP communications.

II/O

Input/Output. The communication between aninformation processing system (such as a com-puter or a Nexsan storage system’s ControllerNode), and the outside world (either an operatoror another information processing system).Inputs are the signals or data received by the sys-tem, and outputs are the signals or data sentfrom it

IDMUMicrosoft Identity Management for UNIX.IDMU makes it easy to integrate users of Win-dows operating systems into existing UNIX envir-onments. It provides manageability componentsthat simplify network administration and accountmanagement across both platforms. IDMUallows you tomanage user accounts and pass-words onWindows and UNIX systems usingNetwork Information Service (NIS). IDMU alsoallows you to automatically synchronize pass-words betweenWindows and UNIX operatingsystems.

Incremental replicationIn asynchronous replication, incremental rep-lication refers to a replication operation thatsends only the data that changed since the lastreplication (whether that one was full or incre-mental).

InitiatorAn application or production system end-pointthat is capable of initiating an iSCSI session withan iSCSI target, sending iSCSI commands andI/O requests. Initiators are also identified byunique addressingmethods.

IP(Internet Protocol) The network layer for theTCP/IP protocol suite widely used on Ethernetnetworks.

Glossary


42


IP address(Internet Protocol address) A numerical labelassigned to each device (such as a computer,printer, or Nexsan storage unit) on a computernetwork that uses TCP/IP for communication.

IPMI(Intelligent Platform Management Interface) TheIPMI interface allows you to perform admin-istrative tasks to remotely manage the in theevent that you are unable to connect to the usinga conventional method: through E-Centre™ orfrom the nxadmin CLI.

IQN(iSCSI qualified name) Unique identifier of adevice in an iSCSI network. iSCSI uses the formiqn.date.authority:uniqueid for IQNs. Forexample, iqn.1999-02.com.nexsan:<sitename>:<pool name>:<unique ID>. This nameindicates that this is an iSCSI device from Nex-san, which was registered as a company inFebruary of 1999. The naming authority is simplythe DNS name of the company reversed; in thiscase, com.nexsan. Following this is the sitename, the storage pool namewhere the targetexists, and a user-defined unique ID to identifythe target.

iSCSI(Internet Small Computer System Interface) Atransport protocol that provides for the SCSI pro-tocol to be carried over a TCP/IP network.

iSCSI TargetA storage system end-point on the that pro-cesses iSCSI commands and I/O requests froman initiator. Each storage pool on the can haveone, or multiple, iSCSI targets, with amaximumof 256 targets per storage pool (0 to 255). In turn,each target can have amaximum of 256 LUNs (0to 255). Each target on the is identified by aunique addressingmethod (IQN).

iSCSI Target public aliasThis is a symbolic name that you can assign toa target on the . The public alias is seen by someiSCSI initiators; it can help you identify the tar-get. The public alias for a storage pool’s default

target—that is, the target that the creates for astorage pool when you first add a LUN to the stor-age pool—is the pool name. You can change a tar-get’s public alias at any time.

iSNS(Internet Storage NameService) Protocoldesigned to facilitate the automated discovery,management, and configuration of iSCSIdevices on a TCP/IP network. You can configureiSCSI targets to use an iSNS server.

LLAN

(Local area network) A computer network thatlinks devices within a small geographic area,such as a building or group of adjacent buildings.

LDAP(Lightweight Directory Access Protocol). LDAPis a protocol used to communicate with a dir-ectory service. It defines operations to refer to anentity in the directory, to describe the attributesof an entity, and the security features that can beused to authenticate to the directory and controlaccess to the entities within the directory. Theprotocol is carried directly over TCP for con-nection-oriented transport (receipt of data isacknowledged) and User Datagram Protocol(UDP) for connectionless transport (no acknow-ledgment upon sending or receiving data).

LED(Light Emitting Diode) LEDs are used for indic-ator lights on the front and back of Nexsan stor-age units.

LUNA LUN is a term used to describe a block of stor-age on the . Uniquely numbered, this createswhat is referred to as a Logical Unit Number, orLUN. LUNs can be exposed over iSCSI andFibre Channel. When associated with an iSCSItarget, a LUN forms a unique iSCSI block devicethat can be accessed by one or more iSCSI ini-tiators. When exposed to the common FibreChannel target on the , a LUN forms a block

Glossary


43


device identified by a unique HBA port WWNthat can be accessed by one or more FC ini-tiators.

MManagement target

Each storage pool on the has aManagement tar-get (mgmt) assigned to it by the system, bydefault. Themanagement target allows a VSS(Volume Snapshot Service or Volume ShadowCopy Service) host to create andmanipulateshadow copies (point-in-time snapshots) of thedata in LUNs on the . The VSS host connects toa storage pool’s Management target via iSCSI toview, create, andmanage snapshots of theLUNs in the storage pool. You can assign aCHAP (Challenge Handshake AuthenticationProtocol) user to theManagement target torestrict access to LUN snapshots in a storagepool, to specific VSS hosts.

Manual replicationIn asynchronous replication, an offline, ormanual, replication is a replication process thatyou start manually on a storage pool. With offlinereplication, you can replicate the data in the stor-age pool to the remote , or to a USB storagedevice attached to the primary .

MbMegabit. Approximately onemillion (1,000,000)bits.

Mb/s(Megabits (Mb) per second) Used to describethe speed of network data transmission.

MPIO (Multipathing I/O)MPIO is designed to providemultiple paths toSAN storage. It provides connection failover andload balancing benefits to strengthen the stabilityof a network storage environment.

NNAS

(Network-attached storage) File-level computerdata storage connected to a computer networkproviding data access to clients on the network.Network-attached storage uses specialized hard-ware, software, or both, and is often a spe-cialized device built from the ground up forstoring and serving files.

NDMP(Network DataManagement Protocol) Protocolused to transport data between network attachedstorage (NAS) devices and backup devices. Thisremoves the need for transporting the datathrough the backup server itself, thus enhancingspeed and removing load from the backupserver.

NetBIOS(Network Basic Input/Output System) API thatallows applications on separate computers tocommunicate over a local area network.NetBIOS offers 3 services: Name service (UDPport 137), Datagram distribution service (UDPport 138). and Session service (TCP port 139).

NFS(Network File System) A protocol allowing auser on a client computer to access files over anetwork in amanner similar to how local storageis accessed. Used inmost UNIX environmentsfor folder or device sharing.

NIS(Network Information Service) One of the threeUNIX directory services supported by the . NISis a client–server directory service protocol for dis-tributing system configuration data such as userand host names between computers In a UNIXnetwork environment. It was originally called Yel-low Pages or YP. A NIS/YP systemmaintainsand distributes a central directory of user andgroup information, host names, e-mail aliasesand other text-based tables of information in acomputer network.

Glossary


44


NMP(Network Management Protocol) Suite of net-work protocols that define the processes, pro-cedures and policies for managing, monitoringandmaintaining a computer network. NMP con-veys andmanages the operations and com-munications performed on a computer network.

NTP(Network Time Protocol) A protocol designed tosynchronize the clocks of devices over a net-work.

OOffline replication

In asynchronous replication, an offline, ormanual, replication is a replication process thatyou start manually on a storage pool. With offlinereplication, you can replicate the data in the stor-age pool to the remote , or to a USB storagedevice attached to the primary .

OU(Organizational Unit) A useful type of directoryobject that is contained within domains is theorganizational unit (OU). OUs are Active Dir-ectory containers into which you can placeusers, groups, computers, and other OUs. AnOU cannot contain objects from other domains.AnOU is the smallest scope or unit to which youcan assign Group Policy settings or delegateadministrative authority. Using OUs, you can cre-ate containers within a domain that represent thehierarchical, logical structures in your organ-ization. You can thenmanage the configurationand use of accounts and resources based onyour organizational model. OUs can containother OUs. You can extend a hierarchy of OUsas necessary tomodel your organization's hier-archy within a domain. Using OUs helps youmin-imize the number of domains that are required foryour network. You can useOUs to create anadministrativemodel that you can scale to anysize. A user can have administrative authority forall OUs in a domain or for a single OU. An admin-istrator of an OU does not have to have admin-

istrative authority for any other OUs in thedomain.

PPCIe

Peripheral Component Interconnect Express. Acomputer expansion card standard designed toreplace the older Peripheral Component Inter-connect (PCI), PCI-eXtended (PCI-X), andAccelerated Graphics Port (AGP) standards.

PoolA storage pool is a user-defined virtual groupingof volumes on the . Pools allow you to organizeyour storage into logical groups; expose file sys-tems as shares to CIFS clients (Windows-basedsystems) and NFS clients (UNIX/Linux-basedsystems); and replicate all the data in the pool, orjust a subset of it, for disaster recovery. E-Cen-tre™ allows you to create as many storage poolsas there are available volumes (RAID sets) onthe system. If the has both internal storage(E5100™) and a Nexsan NST5100X™ Expanderunit connected externally via SAS, you can cre-ate storage pools by combining volumes fromboth the NST5100™ Storage and the NexsanNST5100X™—provided the RAID level con-figurations are the same on both storage sys-tems (or, enclosures).

Power supply unit (PSU)A module that regulates electrical power to thecomponents of Nexsan storage units.

PrimaryIn asynchronous replication, a primary siterefers to an that contains the data to be rep-licated (to a remote, or secondary, ). An can bethe primary site in a replicated environment andalso perform double-duty as the remote data rep-lication site for another .

Public aliasThis is a symbolic name that you can assign toa target on the . The public alias is seen by someiSCSI initiators; it can help you identify theiSCSI target. The public alias for a storage pool’s

Glossary


45


default target is the pool name. You can changea target’s public alias at any time.

RRAID 10

RAID 10 provides very high performance andredundancy. In a RAID 10 implementation, datais simultaneously mirrored and striped. RAID 10can, under certain circumstances, support mul-tiple drive failures. It is ideally suited for situ-ations where both high performance andredundancy are important. RAID 10 imple-mentation on has some unique requirements,and please refer to "Understanding storagepools, volumes, and storage enclosures".

RAID 5RAID 5 provides redundancy by writing dataand parity information across three or moredrives, thereby increasing performance. Youneed at least 3 disk drives for a RAID 5 imple-mentation. RAID 5 can withstand a single diskfailure without losing data or access to data. It isideally suited for transaction processing, data-base applications, file and print servers.

RAID 6RAID 6 is similar to RAID 5, but with better faulttolerance. RAID 6 stripes blocks of data and par-ity across an array of drives like RAID 5, exceptthat it calculates two sets of parity informationfor each parcel of data. This significantlyimproves fault tolerance: RAID 6 can withstandthe failure of any two drives in the array withoutlosing data or access to data. RAID 6 is ideallysuited for the same applications as RAID 5, butin situations where additional fault tolerance isrequired. We recommend adding NexsanFASTier cache devices to a RAID 6 imple-mentation to improve write performance.

Random-access memory (RAM)A memory chip that allows stored data to beaccessed at any time in any order. Commonlyused in computers as main operatingmemory.Values in randomaccess memory are often volat-

ile; information is lost if power is removed fromthemodule.

Read-only memory (ROM)A memory chip that stores values but cannot bechanged by normal program instructions. Valuesin read-only memory are nonvolatile; they areretained even when the unit is powered down.

RemoteIn asynchronous replication, a remote or sec-ondary site represents the system to which datafrom the primary is replicated. In a deploymentwhere asynchronous replication is not imple-mented, a remote represents a site that is beingmanaged remotely from another or site.

ReplicaA duplicate of a file system on a Nexsan copiedonto another Nexsan . At the time of replication,replicas contain all of the data on the originalvolume. Replicas can be promoted to full file sys-tems, after which replication between the two filesystems is no longer possible.

ReplicationA function of Nexsan s that allows the user tomake replicas of a volume onto another Nexsanto protect data in the event of a disaster, or aspart of a backup and restore architecture.

SSAN

(Storage area network) An architecture thatprovides for attachment of remote computer stor-age devices to servers in such a way that thedevices appear as locally attached to the oper-ating system.

SAS(Serial Attached SCSI) A serial version of theSCSI interface. A point-to-point architecture thatuses a disk controller with four or more channelsthat operate simultaneously. Each full-duplexchannel, known as a SAS port, transfers data at1.5Gb/s, 3Gb/s, or 6Gb/s in each direction. SASalso supports Serial ATA (SATA) drives, which

Glossary


46


can bemixed with SAS drives in a variety of con-figurations.

SATA(Serial Advanced Technology Attachment) Aconnection standard for fixed and removablehard disk drives.

Scheduled replicationIn asynchronous replication, a scheduled rep-lication refers to an automatic replication thatoccurs according to a schedule you define. Youcan configure a separate replication schedule foreach storage pool on the .

SCSI(Small Computer System Interface) A collectionof standards and proposed standards forinput/output (I/O) communication, primarily inten-ded for connecting storage subsystems ordevices to hosts.

SecondaryIn asynchronous replication, a remote or sec-ondary site represents the system to which datafrom the primary is replicated. In a deploymentwhere asynchronous replication is not imple-mented, a remote represents a site that is beingmanaged remotely from another or site.

SFP(Small Form-factor Pluggable) A type of gigabitinterface converter (GBIC) in a compact formfactor. The Fibre Channel ports or 10Gb iSCSIports on Nexsan storage devices are SFPs.

ShareA share is a file system or one of its subfolderswhich has been exposed on the network viaCIFS protocol and/or the NFS protocol.

SMB(Server Message Block) CIFS—also referred toas SMB—is used by Windows-based systems toshare files and printers across the network. Usethis sharingmethod if your environment consistsmainly of Windows-based systems.

SNMP(Simple Network Management Protocol) TheSNMP agent included in the allows you to sendSNMP traps to a Network Management Station—such as, HP OpenView or CA Unicenter—when aCritical, Error, and/orWarning event is generatedby a source component of the .

SSD(Solid State Disk) A high-performance storagedevice that contains nomoving parts.

SSL(Secure Sockets Layer) A commonly used pro-tocol for transmitting private documents via theInternet. SSL works by using a public key toencrypt data that is transferred over the SSL con-nection. The SSL protocol secures the followingdata: I/O, serial port, and VSIP communication;it does not apply to audio and video trans-mission.

Storage poolA storage pool is a user-defined virtual groupingof volumes on the . Pools allow you to organizeyour storage into logical groups; expose file sys-tems as shares to CIFS clients (Windows-basedsystems) and NFS clients (UNIX/Linux-basedsystems); and replicate all the data in the pool, orjust a subset of it, for disaster recovery. E-Cen-tre™ allows you to create as many storage poolsas there are available volumes (RAID sets) onthe system. If the has both internal storage(E5100™) and a Nexsan NST5100X™ Expanderunit connected externally via SAS, you can cre-ate storage pools by combining volumes fromboth the NST5100™ Storage and the NexsanNST5100X™—provided the RAID level con-figurations are the same on both storage sys-tems (or, enclosures).

SubnetA subnetwork, or subnet, is a logically visiblesubdivision of a TCP/IP network. All computersin a subnet have IP addresses with the same pre-fix. Addresses in the same subnet are reachablewithout going through a router, and thus can bereached by broadcast.

Glossary


47


Subnet maskA means of restricting IP addresses on a subnetto a specific range.

Synchronous data replicationThe synchronous data replication feature allowsyou to synchronously replicate a storage poolbetween two Nexsan E-Series™ storage sys-tems connected to an via SAS (or Fibre Chan-nel)—for example, the Nexsan E18™, NexsanE48™, and/or Nexsan E60™ storage systems.The synchronous data replication feature essen-tially mirrors all the data contained in a storagepool between a source Nexsan storage systemand a target Nexsan storage system—both ofwhich are connected to the same via SAS (orFibre Channel). You designate the storage sys-tem to use as the source—that is, the system onwhich you create the storage pool and store yourdata—and the target, where the source data ismirrored. Synchronous replication ensures that acopy of the data, which is identical to the sourcecopy, is created at the time the source copy isupdated. In synchronous replication, an I/O-update operation is not considered done untilcompletion is confirmed on both the source andtarget. An incomplete operation is rolled back onboth the source and target, ensuring that the tar-get is always an exact mirror image of thesource.

TTCP/IP

(Transmission Control Protocol/Internet Pro-tocol) The set of communications protocols usedfor the Internet and other similar networks. TCPprovides reliable delivery of messages betweennetworked computers. IP uses numeric IPaddresses to join network segments.

Thin ProvisioningThin Provisioning allows you to dynamicallyallocate disk space to a client system (initiator)connected to the a LUN on the . With Thin Pro-visioning, you can flexibly allocate disk space(on an LUN) to the client system (initiator), inorder to expand the storage capacity available to

the client system at any time. Thin Provisioningallows you to specify the size of the virtualvolume that initiators on the network see whenthey connect to a LUN, irrespective of the actualspace that you reserve for the LUN in the storagepool.

VVolume

A volume represents a virtual subset of theaggregated disk space available on the , or on aNexsan E-Series™ attached externally to the —for example, a Nexsan E18™, Nexsan E48™, orNexsan E60™ storage system connected extern-ally to the via Fibre Channel or SAS, or an Nex-san Expander unit connected to the via SAS. Inshort, E-Centre™ presents the disk space avail-able on the , or on any Nexsan storage systemattached externally to the , as volumes. The totalnumber of volumes available on the ’s internaldisk storage, as well as on storage systemsattached externally to the , depends on the RAIDlevel (5, 6, or 10) and RAID sets that you specifyduring the initial setup of the . For example, on anwith 15 disk drives installed in the front bay of thesystem, a RAID 5 configuration with 2 RAIDsets results in 2 volumes with 7 disks drives ineach volume, and 1 hot spare assignment for thearray.

VSS(Volume Shadow Service) The 's VSS Hard-ware Provider enables a VSS host to create andmanipulate shadow copies (point-in-time snap-shots) of the data in LUNs on the . The VSSHardware Provider supports Windows VolumeSnapshot Service (or Volume Shadow Copy Ser-vice). The VSS Hardware Provider serves as theinterface betweenWindows Volume ShadowCopy Service running on a host system and the .

WWAN

(Wide Area Network) A computer network thatspans a relatively large geographical area.

Glossary


48


Typically, aWAN consists of two or more localarea networks (LANs).

WizardA graphical user interface type that presents auser with a sequence of dialog boxes that leadthe user through a series of well-defined steps.

Glossary


49


Index

AActive/Active clustering 16

CCapacity-optimized 1, 10CIFS sharing 16, 21Configurations of the NST4000 1, 10Control panel LEDs 8, 13, 18, 24Cooling system 22Cooling units 4, 20

DDrive Activity LED 25Drive bays 22Drive carrier LEDs 9, 14, 19, 26

EEnclosure dimensions 4, 20Enclosure physical dimensions 6, 14, 28

FFASTier cache devices 2, 10Field Replaceable Units (FRU) 6, 14, 28Front panel 22Front panel LEDs 8, 13, 18, 24Front view 17Front view of NST2000P 3, 5Front view of NST4000 12

GGeneral specifications 4, 6, 14, 20

HHardware components 22

Hardware overview 1, 10

IIn/Out settings for NST Vault Module 34

LLCD screen 30Local settings for NST Vault Module 34

MModels of NST2000 1Models of NST4000 10Modifying the NST Vault ProtectionMod-

ule settings 34

NNetwork Activity LEDs 26NFS sharing vii, 16, 21Non-maskable interrupt (NMI) button 26NST Vault ProtectionModule

dimensions 38front view 30LCD screen 30menus 33modifying settings 34rear view 30

NST2000Front panel LEDs 8

NST2000 hardware overview 1NST2000models 1NST2000C

Rear components 3NST2000C general specifications 4NST2000P

Rear components 5NST4000

Data connectivity 12Front panel LEDs 13Rear components 12Storage connectivity 12

NST4000 general specifications 6, 14NST4000 hardware overview 10NST4000models 10

Index


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NST5000Front panel LEDs 18Hardware configurations 16Rear components 17Storage connectivity 18

NST6000Front and rear views 23Front panel LEDs 24hardware components 22Rear components 23

OOn/Off settings for NST Vault Module 36

PPerformance-optimized 1, 10Possible configurations of the

NST4000 1, 10Power failure LED 8, 13, 18Power LED 8, 13, 18, 24Power units 4, 20PSUs

specifications 6, 14, 28

RRail kit mounting 4, 6, 14, 20, 28Rear components 30Rear ports 22Rear view 17Rear view of NST2000P 3, 5Rear view of NST4000 12

SSAS connectors 22Specifications 4, 6, 14, 20System cold reset button 25System ID button 25System power 22System status LED 24

VVoltage 4, 20

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Nexsan Headquarters900 E Hamilton Ave, Suite 230

Campbell, CA 95008 USA

Support (US): +1 866-463-9726

Support (Worldwide): +1 760-690-1111

E-mail: [email protected]

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All other trademarksand registered trademarksare the property of theirrespective owners.

Document Reference: 20161128AM085941

This product is protected byone or more of the following patents, and otherpending patent applicationsworldwide:

United StatespatentsUS8,191,841, US8,120,922;

United Kingdom patentsGB2466535B, GB2467622B, GB2467404B,GB2296798B, GB2297636B

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