advantages of mainframe replication with hitachi vsp
DESCRIPTION
Learn how Hitachi Virtual Storage Platform mainframe replication capabilities can address your business continuity and disaster recovery requirements. Also learn how Brocade switches and directors complement HDS mainframe replication capabilities and add value to HDS solutions. By viewing this webcast, you’ll learn: Trends driving changes to business continuity requirements, and how HDS replication products such as Hitachi Universal Replicator and hyperswap integration capabilities with Hitachi Business Continuity Manager are best positioned to address them. The key features and functions of Brocade FCIP switches and Fibre Channel/FICON director inter-data center connectivity that provide additional value to HDS replication solutions. Examples of how companies have implemented complete HDS solutions to solve their mainframe BC and DR needs. For more information on our mainframe solutions please read: http://www.hds.com/solutions/infrastructure/mainframe/?WT.ac=us_mg_sol_mnfrTRANSCRIPT
MAINFRAME STORAGE REPLICATION
JOE AMATO, HDS PRODUCT MANAGER FOR REMOTE REPLICATION PRODUCTS MARK DETRICK, BROCADE GLOBAL SOLUTIONS ARCHITECT FOR RDR
SEPTEMBER 19, 2012
WEBTECH EDUCATIONAL SERIES
Mainframe Storage Replication
In this session, learn how the Hitachi Virtual Storage Platform's mainframe
replication capabilities can address your business continuity and disaster recovery
requirements. Also, learn how Brocade switches and directors complement HDS
mainframe replication capabilities and add value to HDS solutions.
Specific Learning Objectives - By attending this webcast, you’ll learn:
1. Trends that are driving changes to business continuity requirements, and how
HDS replication products such as Universal Replicator and Hyperswap
integration capabilities with Business Continuity Manager are best positioned to
address them.
2. Examples of how companies have implemented complete HDS solutions to
solve their mainframe BC/DR needs.
3. The key features and functions of Brocade FCIP switches and
fibrechannel/FICON director inter-datacenter connectivity that provide
additional value to HDS replication solutions.
UPCOMING WEBTECHS
Mainframe Series
Why Networked FICON Storage Is Better than Direct-attached
Storage, Oct 3, 9 a.m. PT, 12 p.m. ET
Other
Storage Analytics, Sept 20, 9 a.m. PT, 12 p.m. ET
Maximize Availability and Uptime by Clustering your Physical
Datacenters within Metro Distances, Oct 24, 9 a.m. PT, 12 p.m. ET
Check www.hds.com/webtech for
Links to the recording, the presentation and Q&A (available next week)
Schedule and registration for upcoming WebTech sessions
AGENDA
Introduction
HDS mainframe replication portfolio
Key HDS solution highlights
Customer case studies
Brocade FCIP switches and key features for replication
Summary and Q&A
KEY TREND: SHRINKING RTO FOR TIER-1 APPLICATIONS
Source: Enterprise Strategy Group, 2008 & 2010
Percent of ‘Enterprise’ companies (> 1000 employees)
with minimum RTO for most-critical applications
BUSINESS CONTINUITY & DATA PROTECTION ALIGNING RECOVERY OBJECTIVES AND ARCHITECTURES
Operational Recovery
Local replication ‘crash
consistent’ copies
(clones/snapshots)
Application aware copies
Backup/Restore
Disaster Recovery
Remote replication clones w/
‘crash consistent’
clones/snapshots
Application aware copies
Backup/Restore
Regulatory Compliance
Replicated Archive
Solution Architectures
Operational Resilience
Server/Storage Clusters w/
Synchronous Replication
3rd Site Primary Site Alternate Site
RTO RPO Tier-1
Tier-n
Recovery Objectives
Zero Zero
Mins-to-
Hrs
Secs-to-
Mins
Hrs-to-
Days Hrs-to-
Days
3DC
Sync-Async
Dual-Async
Multi-target
Delta-
Resync
Cascade
Data Center
Relocation
Less Resiliency More Resiliency
BUSINESS CONTINUITY – MAINFRAME PORTFOLIO
In-System Replication
Solutions
Remote Replication
Solutions
Replication
Management Solutions
In-System Replication
Solutions
Remote Replication
Solutions
Replication Management
Solutions
Hitachi ShadowImage®
Replication
For full-volume clones of business
data with consistency
(ATTIME split with HUR)
Hitachi TrueCopy®
Synchronous, consistent clones at
remote location up to 300km (~180
miles)
Business Continuity Manager
Replication management in z/OS
environments
Hitachi Compatible Mirroring for
IBM® FlashCopy®
Point-in-time volumes and datasets
via IBM command set in z/OS
environment
Hitachi Universal Replicator (HUR)
Any distance, unique use of “pull”
technology and journal volumes to
accommodate link outages or
interruptions
Hitachi Replication Manager with
mainframe
BCM plus “enterprise-wide” GUI replication
management and monitoring for mainframe
and open systems
Hitachi Compatible Software for
IBM® FlashCopy® SE
PiT volumes with virtual volume
pools versus whole volumes as
targets
Hitachi Compatible Replication for
IBM® XRC®
Asynchronous remote replication via
compatible with IBM XRC in z/OS
environment
z/OS Basic HyperSwap, GDPS HyperSwap
certification and/or integration
High-availability storage for z/OS
environments
Replication assessment, migration and implementation services
Best-practice designs that ensure results and lower risks in implementation
Replication scorecard (health check) services
Periodic checkups that ensure continued solution value
TRUECOPY REMOTE REPLICATION (SYNCHRONOUS)
(1) Host write
(4) Write complete
(2) Synchronous remote copy
(3) Remote copy complete
PVOL SVOL
Previously 2 Round-trips
Now, 1 Round trip!
• Zero Data Loss possible with Fence-level = Data
• Performance: “dual-write” plus one (1) round-trip latency and a little “overhead”
• Up to 300 km supported – A couple of customers with up to ~ 140 km
• Consistency groups supported for open and mainframe
• Consistency groups supported across open and mainframe
• zOS support is PPRC command compatible
HITACHI UNIVERSAL REPLICATOR HIGHLIGHTS
Hitachi Universal Replicator and Data Resilience
‒ Protects production performance during replication anomalies
‒ Protects Recovery Point Objective (RPO) with replication resilience during replication anomalies
‒ Leverages HDS virtualization for lower-cost BC/DR solutions
‒ Can enable reductions in bandwidth requirements
Key Features
‒ Asynchronous replication of customer’s data
‒ Unique cache and disk based journaling
‒ Unique pull technology to move data to target storage system
‒ Multi-volume and multi-storage-system consistency groups
‒ Consistency across mainframe and open systems supported
‒ Thin (dynamic) provisioning awareness
‒ Advanced configuration support (e.g., 3DC, 4DC, delta-resync)
RPO ESTIMATE WITH LESS THAN PEAK BANDWIDTH
Journal (HUR) vs. Cache (Bitmap) RPO Recovery
Bitmap RPO
HUR RETURN TO NORMAL OPERATION: DISK JOURNALS AVOID SUSPEND IMPACTS TO RPO
* Modeled data only O
uta
ge
Rep
aire
d
No suspend,
decreasing RPO
Suspend,
increasing
RPO
THREE DATA CENTER REPLICATION SOLUTIONS
TrueCopy S-VOL shared as HUR P-VOL in intermediate site
Primary volume is shared P-VOL for two remote systems
VSP
HUR
JNL Group
P-VOL
VSP
S-VOL P-VOL
JNL-VOL TrueCopy
(Sync)
3DC Cascade*
S-VOL
VSP
JNL-VOL
JNL Group
VSP
JNL-VOL
HUR
JNL-VOL
Journal Group
P-VOL
TrueCopy (Sync) or HUR*
3DC Multi-Target
S-VOL
VSP
JNL-VOL
JNL Group
Optional Delta Resync
VSP
S-VOL S-VOL
VSP
JNL-VOL
JNL Group
* 3DC with two HUR (async) links, without Delta-Resync, is currently supported on
VSP platforms only in both cascade and multi-target 1x1x1 configurations.
Mainframe supports up to 12x12x12 controller configurations (4x4x4 cascade)
Requires Disaster Recovery Extended and BCM Extended
HUR INTEGRATION WITH HYPERSWAP HIGH-AVAILABILITY WITH DISASTER RECOVERY
TrueCopy Duplex
HUR
Duplex Delta Pairs
Hold
X
HyperSwap
Delta
Pairs
Hold
HUR
Duplex
BCM detects HyperSwap
via system messages and
drives automated change
of HUR states
MAINFRAME REPLICATION MANAGEMENT “REFRESHER”
Hitachi - IBM Compatibility
‒ Hitachi storage has essential compatibility with IBM z/OS
‒ IBM replication management compatibility
‒ Hitachi storage controllers support PPRC, XRC and FlashCopy commands (assuming applicable software licensing) without additional HDS-provided software
‒ TrueCopy synchronous is compatible with PPRC
‒ For full-volumes, IBM commands operate on individual replication pairs
‒ But, IBM commands do not support Hitachi Universal Replicator
Hitachi Business Continuity Manager (BCM) value-add
‒ Reduce complexity, simplify management
‒ Provide enhanced control and visibility
‒ (e.g., support configured and unconfigured devices)
‒ Reduce risk
Automatically discovers Hitachi storage systems and internal
copy volumes
Uses a single command to manage groups of copy volumes
with common attributes
Receives auto notification of key copy “state transitions”
Supports advanced TrueCopy, ShadowImage and Universal
Replicator features
Real-time view of Universal Replicator
Single, consistent interface based on Time Sharing Options
(TSO) / Interactive System Productivity Facility (ISPF)
Standard REXX scripting to customize and automate
Optional Integration with Replication Manager for combined
mainframe and open systems replication management
BUSINESS CONTINUITY MANAGER™ HIGHLIGHTS
CUSTOMER CASE: INSURANCE COMPANY (VIRTUALIZATION & REPLICATION FOR MAINFRAME AND OPEN SYSTEMS)
Customer originally implemented on USPV and is now moving to VSP!
Case study available on SHARE Proceedings - Anaheim 2011
Production Site Recovery Site
CUSTOMER CASE: LARGE FINANCIAL INSTITUTION (MULTI-CONTROLLER CONSISTENCY/HUR AND SHADOWIMAGE)
Converted from XRC!
Case study available on SHARE Proceedings – San Jose 2008
Much larger configuration today!
PRODUCTION PRODUCTION PRODUCTION
Dual OC-192
M
I
R
R
O
R
E
D
D
A
T
A
Fiber Channel connections between
control units
Primary DASD
Production Site Recovery Site
Secondary DASD Tertiary DASD
Monitoring/Management
Extraordinary Extension Brocade
Brocade 7800 & FX - Brocade CONFIDENTIAL 18 March 2012
Next-Generation Extension Products
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 19
High-touch services, product flexibility, scalability
So
luti
on
pri
ce
ra
nge
(h
ard
wa
re a
nd
so
ftw
are
) Global 1000/
Large Enterprise
Director-Class Standalone
7800 Base
Small/Medium
Business
SMB/Enterprise
Brocade 7800 +
PoD license
FX8-24 blade for
Brocade DCX 8510
DCX 8510-4
DCX 8510-8
FX base
GE - 10 Gbps
FX 10GE license
10GE - 20 Gbps
Brocade Network Advisor
Remote Data Replication over IP Networks
Business Challenge
• Create nonstop IT operations for business continuance
• Application failover and data access
Solution
• Leverage secondary site for failover
• Deploy direct-connected FX8-24 Extension Blades over MLX IP network
• Provide protected data, very small RPO and RTO
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 20
Disk Array
with RDR
Mainframe
and/or
Open
Systems
IP WAN
Mainframe
and/or
Open
Systems
Disk Array
with RDR
Brocade DCX
FX8-24 Extension Blades Brocade DCX
FX8-24 Extension Blades
Secondary
Data Center
Primary
Data Center
FICON
FC
MLXe
L2/L3 Switch
MLXe
L2/L3 Switch
Arrays replicate data between each other using FC
Brocade Extension Solutions
Accelerates and optimizes replication, backup, and migration over any distance using advanced Fibre Channel and FCIP networking technology
• FCIP Trunking creates an ISL spanning multiple physical ports for load balancing and network failure resiliency
• ARL dynamically adjusts bandwidth limits to ensure efficient utilization and sharing of available bandwidth
• PP-TCP-QoS prioritizes handling of initiator-target flows within an FCIP tunnel to optimize bandwidth and performance by application
• Advanced Compression architecture provides flexibility to optimize compression ratios and maximize throughput
• 200 ms Round-Trip Time (RTT) of latency supports distances approaching 17,500 kilometers (nearly 11,000 miles)
• Brocade Network Advisor FCIP management unifies management of Fibre Channel and FCIP network infrastructures
Features Introduced with 7800/FX
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 21
Brocade 7800
Channel Extender
Brocade FX8-24 Extension
Blade for the Brocade
DCX 8510
Brocade FX8-24 Extension Blade
• Brocade FX8-24 Extension Blade
• Twelve 8G FC ports, ten GE interfaces
• Functionality enabled through optional licenses
• 10GE Interfaces
• Enables 10GE interfaces and doubles FCIP bandwidth to 20 Gbps
• Supported 10GE interface configurations
• Ten GE and one 10GE or
• Two 10GE
• Advanced Extension: FCIP Trunking and ARL
• Adaptive Networking: Activates FC and FCIP QoS functionality
• Enterprise Bundle: Advanced Performance Monitoring, Adaptive Networking, Fabric Watch, Brocade Trunking, and Server Application Optimization (SAO)
• Advanced Accelerator for FICON: Enables high-performance FICON tape, XRC, and Teradata over distance
• FICON Management Server: Control Unit Port (CUP) enables host control of switches in mainframe environments
Blade Options
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 22
Twelve 8 Gbps FC or FICON ports
Ten GE FCIP
interfaces
Two 10GE FCIP
interfaces
Brocade 7800 Extension Switch
• Two models
• Brocade 7800 4/2: Four 8G FC ports, two GE interfaces
• Brocade 7800 16/6: Sixteen 8G FC ports, six GE interfaces
• Functionality enabled through optional licenses
• Brocade 7800 16/6 Upgrade License: Enables all ports and OSTP
• Advanced Extension: FCIP Trunking and ARL
• Adaptive Networking: FC and FCIP QoS functionality
• Enterprise Bundle: Advanced Performance Monitoring, Adaptive Networking, Fabric Watch, Brocade Trunking, and SAO
• FICON Management Server: CUP enables host control of switches in mainframe environments
• Advanced Accelerator for FICON: Enables high-performance FICON tape and replication over distance
Platform Options
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 23
Brocade Network Advisor
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 24
FCIP Trunking
• Is an FCIP Tunnel with more than 1 circuit
• FCIP Trunking provides
• Single logical ISL in routing table as a single link, ULP see single link
• Bandwidth Aggregation of each circuit
• Load Balancing per batch across circuits
• Failover to remaining circuits
• Lossless Link Loss (LLL)
• Data in-flight is not lost when a link goes down, will be retransmitted same as with TCP
• In-Order-Delivery (IOD) Does not require IOD to be enabled
• Data in-flight will be delivered in the correct order, even after data lost in-flight
• Works with both FICON and FC
• Supports FastWrite, OSTP, and FICON emulation over multiple circuits
• FCIP Trunking is a proven technology
• Leveraged from widely deployed McDATA/CNT technology
Brocade exclusive feature
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 25
VE_Port to VE_Port (Dedicated Ethernet Ports)
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 26
VE_Port 16
FCIP
Trunk1
Logical
Source IP
Interfaces
Logical
Destination IP
Interfaces
Physical
Ethernet
Interfaces
VE_Port 16
FCIP
Trunk 1
Physical
Ethernet
Interfaces
Circuits Circuits
VE_Port FCIP Trunk IP Interface Circuit Ethernet Interface
Unique IP Address
Unique IP Address
Unique IP Address
Unique IP Address
GE0
GE1
GE2
GE3
GE0
GE1
GE2
GE3
GE4
GE5
Unique IP Address
Unique IP Address
GE4
GE5
WAN
IP Cloud
• FCIP Trunks (multiple circuits) or Tunnels (single circuit) are logical entities
• IP interfaces are logical entities
• Circuits and Ethernet interfaces are physical entities
FCIP Trunking Concept
Supervisor TCP Session • Encapsulates the circuits’ TCP sessions within a FCIP Trunk
• Provides granular load-balancing
• Retransmits lost frames due to circuit loss • For operational links, the TCP sessions within the circuit handle loss
• Ensures FC frames are delivered in order (IOD)
• Prevents IFCC on the mainframe
• Supports FastWrite, OSTP, and FICON emulation
• FCIP Trunk appears as a single logical ISL
L3 Lossless Link Loss (LLL)
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 27
1 3
4
X X X Circuit 1 with TCP session
Circuit 2 with TCP session
FCIP
Batches FCIP
Batches 3?
Supervisor TCP Session Data Received
3
FICON Emulation
FastWrite
OSTP
FICON Emulation
FastWrite
OSTP
2
Adaptive Rate Limiting High Availability Architecture
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 28
Channel Extender A1
Channel Extender A2
Channel Extender B1
Channel Extender B2
RDR Application
ARL
Min ½ OC-12
Max OC-12
ARL
Min ½ OC-12
Max OC-12
IP Network OC-12
½ OC-12 = 311 Mbps
Site A Site B
Fully Utilized
Normal Operation
• Link BW Number of Interfaces = BW of interface
• Not oversubscribed or underutilized
• Rate Limiting automatically changes with device or link failures
•Optics, smashed cables, FW upgrades, configuration
errors, defects…
Offline Path Operation
• Link BW Number of Remaining Interfaces = new
BW of interface
• Not oversubscribed or underutilized
• Applies to the entire path from end device to end
device
ARL
Not Operating
ARL
Operating at OC-12
50%
50% 100%
ARL
Operating at ½ OC-12
ARL
Operating at ½ OC-12
ARL Optimization after a path failure
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 29
0
1000000
2000000
3000000
4000000
5000000
6000000
7000000
8000000
9000000
0 50000 100000 150000 200000 250000 300000 350000
With one interface online,
all available bandwidth is
consumed up to the
maximum rate
When a second interface is enabled, the
network experiences a congestion event and the
first interface drops its rate down to the
minimum configured rate. From here it will seek
the ceiling again
The second interface starts
off by claiming its minimum
configured rate
Offline equipment/link
results in available BW
This interface ramps up to fully
utilize the available WAN BW. It
stops seeking a ceiling at the
maximum configured rate
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 30
FC ISL
Virtual
Channels
PP-TCP-QoS
FCIP Circuit FCIP Tunnel
TCP Sessions
DCX
QOSH_<zone name>
High Priority
QOSL_<zone name>
Low Priority
7800
7800
FC ASIC will put
traffic into
priority VC
7800/FX will
map VCs into
PP-TCP-QoS
IPsec
• There is no license for IPsec
• It is included in the base unit
• It adds only 5 µs of latency
• It operates at line rate
• All it costs is the effort to configure
• Uses PSK (Pre-Shared Keys)
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 31
Typical Four-Brocade 7800 Solution
• Solution: •2 FCIP Trunks
•1 FCIP Trunk per 7800 • 2 circuits in each trunk
•Array sees 2 parallel paths
• ARL used on all 4 circuits •Max is link BW or interface line rate, whichever is smaller
•In this example: Min = Max 4 March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 32
FC path A
FC path B
FC path A
FC path B
7800 4/2
7800 4/2
IP WAN Link
GE FCIP
GE FCIP
GE FCIP
GE FCIP Service Provider
(Possibly carrier Ethernet)
7800 4/2
7800 4/2
MLX Core
MLX Core
MLX Core
MLX Core
High-Availability Design
• Four Brocade 7800/FX
• Two IP Networks
• Most RDR applications load-balance across multiple paths
• Most RDR applications will fail over to the remaining paths
• Supports FastWrite, OSTP, and FICON Emulation
Multiple paths
March 2012 Brocade 7800 & FX - Brocade CONFIDENTIAL 33
FCIP
FCIP
Storage
Local
Storage
Remote
7800
7800
7800
7800
Fabric 1A
Fabric 1B
Fabric 2A
Fabric 2B
WAN A
WAN B
SUMMARY
Final thoughts
‒ HDS is rooted-in and committed-to strong IBM compatibility
‒ HDS has complete replication solution portfolio for mainframe storage
‒ HUR is mature product (2004) with over 250 worldwide mainframe replication customers; and is on third generation of hardware platform support
‒ HDS storage provides one platform for virtualization, dynamic (thin) provisioning, and tiered storage management
‒ Brocade provides value-add to HDS replication solutions
Benefits: ‒ Deliver SLAs that are better aligned with business objectives
‒ Reduced risk via proven, enterprise-class data protection
‒ Cost savings through:
‒ Best of breed asynchronous replication
‒ Seamless tiered storage management
‒ Protection of existing investments with external virtualization
‒ Dynamic provisioning and tier-ing for mainframe
QUESTIONS AND DISCUSSION
UPCOMING WEBTECHS
Mainframe Series
Why Networked FICON Storage Is Better than Direct-attached
Storage, Oct 3, 9 a.m. PT, 12 p.m. ET
Other
Storage Analytics, Sept 20, 9 a.m. PT, 12 p.m. ET
Maximize Availability and Uptime by Clustering your Physical
Datacenters within Metro Distances, Oct 24, 9 a.m. PT, 12 p.m. ET
Check www.hds.com/webtech for
Links to the recording, the presentation and Q&A (available next week)
Schedule and registration for upcoming WebTech sessions
THANK YOU