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StorageTekL20/L40/L80

Series of Tape Libraries

General Information ManualMT9104

Revision: Nine

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L20/L40/L80Series of Tape LibrariesGeneral Information Manual

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ii Revision Nine MT9104

Copyright 2006 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, California 95054, U.S.A. All rights reserved.Sun Microsystems, Inc. has intellectual property rights relating to technology that is described in this document. In particular, and withoutlimitation, these intellectual property rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and oneor more additional patents or pending patent applications in the U.S. and in other countries.This document and the product to which it pertains are distributed under licenses restricting their use, copying, distribution, anddecompilation. No part of the product or of this document may be reproduced in any form by any means without prior writtenauthorization of Sun and its licensors, if any.Third-party software, including font technology, is copyrighted and licensed from Sun suppliers.Parts of the product may be derived from Berkeley BSD systems, licensed from the University of California. UNIX is a registeredtrademark in the U.S. and in other countries, exclusively licensed through X/Open Company, Ltd.Sun, Sun Microsystems, the Sun logo, Java, AnswerBook2, docs.sun.com, and Solaris, StorageTek, VolSafe, TimberWolf, TimberLine, andRedWood are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and in other countries.All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and inother countries. Products bearing SPARC trademarks are based upon an architecture developed by Sun Microsystems, Inc.The OPEN LOOK and Sun Graphical User Interface was developed by Sun Microsystems, Inc. for its users and licensees. Sunacknowledges the pioneering efforts of Xerox in researching and developing the concept of visual or graphical user interfaces for thecomputer industry. Sun holds a non-exclusive license from Xerox to the Xerox Graphical User Interface, which license also covers Sunslicensees who implement OPEN LOOK GUIs and otherwise comply with Suns written license agreements.U.S. Government RightsCommercial use. Government users are subject to the Sun Microsystems, Inc. standard license agreement andapplicable provisions of the FAR and its supplements.DOCUMENTATION IS PROVIDED "AS IS" AND ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS ANDWARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSENON-INFRINGEMENT, ARE DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALINVALID.Copyright 2006 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, Californie 95054, Etats-Unis. Tous droits rservs.Sun Microsystems, Inc. a les droits de proprit intellectuels relatants la technologie qui est dcrit dans ce document. En particulier, et

sans la limitation, ces droits de proprit intellectuels peuvent inclure un ou plus des brevets amricains numrs http://www.sun.com/patents et un ou les brevets plus supplmentaires ou les applications de brevet en attente dans les Etats-Unis et dans lesautres pays.Ce produit ou document est protg par un copyright et distribu avec des licences qui en restreignent lutilisation, la copie, ladistribution, et la dcompilation. Aucune partie de ce produit ou document ne peut tre reproduite sous aucune forme, par quelquemoyen que ce soit, sans lautorisation pralable et crite de Sun et de ses bailleurs de licence, sil y en a.Le logiciel dtenu par des tiers, et qui comprend la technologie relative aux polices de caractres, est protg par un copyright et licencipar des fournisseurs de Sun.Des parties de ce produit pourront tre drives des systmes Berkeley BSD licencis par lUniversit de Californie. UNIX est une marquedpose aux Etats-Unis et dans dautres pays et licencie exclusivement par X/Open Company, Ltd.Sun, Sun Microsystems, le logo Sun, Java, AnswerBook2, docs.sun.com, et Solaris, StorageTek, VolSafe, TimberWolf, TimberLine, andRedWood sont des marques de fabrique ou des marques dposes de Sun Microsystems, Inc. aux Etats-Unis et dans dautres pays.Toutes les marques SPARC sont utilises sous licence et sont des marques de fabrique ou des marques dposes de SPARC International,Inc. aux Etats-Unis et dans dautres pays. Les produits portant les marques SPARC sont bass sur une architecture dveloppe par SunMicrosystems, Inc.Linterface dutilisation graphique OPEN LOOK et Sun a t dveloppe par Sun Microsystems, Inc. pour ses utilisateurs et licencis.Sun reconnat les efforts de pionniers de Xerox pour la recherche et le dveloppement du concept des interfaces dutilisation visuelle ou

graphique pour lindustrie de linformatique. Sun dtient une license non exclusive de Xerox sur linterface dutilisation graphique Xerox,cette licence couvrant galement les licencies de Sun qui mettent en place linterface d utilisation graphique OPEN LOOK et qui en outrese conforment aux licences crites de Sun.LA DOCUMENTATION EST FOURNIE "EN LTAT" ET TOUTES AUTRES CONDITIONS, DECLARATIONS ET GARANTIESEXPRESSES OU TACITES SONT FORMELLEMENT EXCLUES, DANS LA MESURE AUTORISEE PAR LA LOI APPLICABLE, COMPRIS NOTAMMENT TOUTE GARANTIE IMPLICITE RELATIVE A LA QUALITE MARCHANDE, A LAPTITUDE A UNEUTILISATION PARTICULIERE OU A LABSENCE DE CONTREFAON.

We welcome your feedback. Please contact the Sun Learning Services Feedback System at:

[email protected]

or

Sun Learning ServicesSun Microsystems, Inc.One StorageTek DriveLouisville, CO 80028-3256USA

Please include the publication name, part number, and edition number in your correspondence if they areavailable. This will expedite our response.s reserved.
mailto:[email protected]:[email protected]

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MT9104 Revision Nine iii

Summary of Changes

Date Revision Change

May 2001 Initial Release Refer to this edition for a description of the changes.

July 2001 Second Refer to this edition for a description of the changes.

December 2001 Third Refer to this edition for a description of the changes.

March 2002 Fourth Refer to this edition for a description of the changes.

September 2002 Fifth Refer to this edition for a description of the changes.

June 2003 Sixth Refer to this edition for a description of the changes.

October 2004 Seventh Refer to this edition for a description of the changes.May 2005 Eighth Refer to this edition for a description of the changes.

September 2006 Ninth Cover, Copyright page, and Preface: Used Sun Microsystems, Inc. verbiage and branding.

Chapter 3: Removed the model, feature, and conversion billnumbers.

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Summary of Changes

iv Revision Nine MT9104

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Contents

vi Revision Nine MT9104

5: Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

6: Advanced Rotational Robotics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1L20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1L40 and L80 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Advanced Hand-Camera Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5Digital Vision Camera System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

7: User Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1Operator Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1Library Status Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1Library Admin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1Library Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2Framework Library Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

8: Typical Customer Environments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

UNIX Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1Small and Midsize Environments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

9: High Availability and Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1Robust Mechanical Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1Fault-Tolerant Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2Critical Component Monitoring and Error Notification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

10: Serviceability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1No Periodic or Scheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1Hot-swappable Power Supplies (L40/L80) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1Service Offerings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1Safety Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2

A: Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1Drive Power Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8

Agency Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-9

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glossary-1

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Index-1

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MT9104 Revision Nine vii

Figures

Figures

Figure 1-1. L20 Tape Library Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1Figure 1-2. L40 Tape Library Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Figure 1-3. L80 Tape Library Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Figure 6-1. L20 Tape Library Internal View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2Figure 6-2. L40 Library Internal View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3Figure 6-3. L80 Library Internal View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4Figure 6-4. L40 and L80 Robotic Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

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Tables

viii Revision Nine MT9104

Tables

Table 1-1. Library Model Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Table 2-1. Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Table 3-1. Compatible Storage Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Table 5-1. Compatible Drives and Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Table 9-1. Reliability Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1 Table A-1. Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Table A-2. L20 Power Specifications without Drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Table A-3. L40 and L80 Power Specifications without Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Table A-4. Drive and Tray and Cartridge Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8 Table A-5. Drive Power Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8 Table A-6. Agency Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-9

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x Revision Nine MT9104

Alert Messages Alert messages call your attention to information that is especially important or that has aunique relationship to the main text or graphic.

Note: A note provides additional information that is of special interest. A note mightpoint out exceptions to rules or procedures. A note usually, but not always,follows the information to which it pertains.

CAUTION:A caution informs the reader of conditions that might result in damage tohardware, corruption of data, or corruption of application software. Acaution always precedes the information to which it pertains.

WARNING:A warning alerts the reader to conditions that might result in long-termhealth problems, injury or death. A warning always precedes the

information to which it pertains.

Conventions Typographical conventions highlight special words, phrases, and actions in thispublication.

Item Example Description of Convention

Documenttitles

System Assurance Guide Italic font

Emphasis not or must Italic fontFile names fsc.txt Monospace font

Hypertext links Figure 2-1 on page 2-5 Blue (prints black in hardcopypublications)

URLs www.sun.com Blue (prints black in hardcopypublications)

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xii Revision Nine MT9104

Additional InformationSun Microsystems, Inc. (Sun) offers several methods for you to obtain additionalinformation.

Suns External Web SiteSuns external Web site provides marketing, product, event, corporate, and serviceinformation. The external Web site is accessible to anyone with a Web browser and anInternet connection.

The URL for the external Web site is: http://www.sun.com

The URL for StorageTek brand-specific information is:http://www.sun.com/storagetek/

Customer Resource Center The StorageTek product Customer Resource Center (CRC) is a Web site that enablesmembers to resolve technical issues by searching code fixes and technical documentationfor StorageTek brand products. CRC membership entitles you to other proactive services,such as HIPER subscriptions, technical tips, answers to frequently asked questions,addenda to product documentation books, and online product support contactinformation. Customers who have a current warranty or a current maintenance serviceagreement may apply for membership by clicking on the Request Password button on theCRC home page. employees may enter the CRC through the SunWeb PowerPort.

The URL for the CRC is http://www.support.storagetek.com

Partners Site The StorageTek Partners site is a Web site for partners with a StorageTek Partner Agreement. This site provides information about products, services, customer support,upcoming events, training programs, and sales tools to support StorageTek Partners.

Access to this site, beyond the Partners Login page, is restricted. On the Partners Loginpage, employees and current partners who do not have access can request a login ID andpassword and prospective partners can apply to become StorageTek resellers.

The URL for the StorageTek Partners site is:http://members.storagetek.com

The URL for partners with a Sun Partner Agreement is:http://www.sun.com/partners/

Hardcopy PublicationsContact a sales or marketing representative to order additional paper copies of thispublication or to order other StorageTek brand product customer publications in paperformat.
http://www.sun.com/http://www.sun.com/storagetek/http://www.support.storagetek.com/http://members.storagetek.com/http://www.sun.com/partners/http://www.sun.com/partners/http://members.storagetek.com/http://www.support.storagetek.com/http://www.sun.com/storagetek/http://www.sun.com/

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MT9104 Revision Nine 1-1

1Product Overview The L20, L40, and L80 series of tape libraries are self-contained, fully automatedcartridge tape storage systems. This series of libraries provides an easy upgrade path froma 10-cartridge model to an 80-cartridge model.

The libraries can be configured for either high voltage differential (HVD) or low voltagedifferential (LVD) small computer system interfaces (SCSI). The HVD interface allowslonger cable lengths, but is slower and has fewer supported devices; the LVD interfacerestricts cable length, but is faster and has more supported devices.The libraries can beconfigured for SCSI interfaces or, with the addition of an internal or external FibreChannel router, for Fibre-to-SCSI operation.

The L20 and L40 tape libraries can be placed on a desktop (with optional cosmetic coverand elastomer feet), the L80 tape library can be placed on the floor (deskside version withcosmetic cover and a base with casters), or any of the three can be mounted in a standard483 mm (19 in.) rack.

External Components The following figures identify the external components.

Figure 1-1. L20 Tape Library Front View (L201_311)

1. Operator panel (including status display)used for configuration and diagnostic testing

2. Lock for slide-out cartridge drawerwhen open, you may access all cartridges

3. Cartridge access port (CAP)used for entering and removing cartridges withoutinterrupting library operation

L201_3112 31

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External Components

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1. Operator panel (including status display)used for configuration and diagnostictesting

2. Cartridge access port (CAP)used for entering and removing cartridges withoutinterrupting library operation

3. Elastomer feet for desktop version

4. Viewing window

5. Door lock

L201_312

54

3 2

1

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External Components


1. Operator panel (including status display)used for configuration and diagnostictesting

2. Door locks3. Cartridge access port (CAP)used for entering and removing cartridges without

interrupting library operation4. Casters for deskside version5. Viewing windows

L201_313

1

5

LIBRARY ACTIVE

STKL80-ReadyCap:Selectt oOpen00Empty01Empty

MENU SELECT

SERVICE REQUIRED

CAP OPEN

2

3

4

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Power System


Power System The L20 and L40 libraries have one standard power supply. For the L40, you can order anoptional second supply to provide redundant power to the library and drives. The L80has two standard power supplies, and you can order two redundant power supplies.

When you use the redundant power supplies, each supply should be plugged into aseparate circuit and powered-on to provide redundant power. If one supply fails, thesecond supply automatically provides power.

Comparison of Models This table provides a quick overview of the libraries.

Table 1-1. Library Model Comparison

Library L20 L40 L80

Cartridge Slots 10, 20 20, 40 40, 60, 80Height (in rack units) 4 U 10 U 18 U

Drives 12 14 18

Capacity (maximum uncompressed)

DLT 8000 800 GB 1.6 TB 3.2 TB

SDLT 220 2.2 TB 4.4 TB 8.8 TB

SDLT 320 3.2 TB 6.4 TB 12.8 TB

SDLT 600 6 TB 12 TB 24 TB

Ultrium 1 2.0 TB 4.0 TB 8.0 TBUltrium 2 4.0 TB 8.0 TB 16.0 TB

Ultrium 3 8.0 TB 16.0 TB 32.0 TB

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2Features and Benefits The following table lists features and benefits of the libraries.

Table 2-1. Features and Benefits

Features Benefits

From 10 to 80 cartridge cells Expandability protects your investment byallowing you to add capacity as you needit.

Mixed media support, simultaneously Creates freedom to adapt to future tapedrive technology without changinglibraries.

Multiple upgrade path options Allows you to increase the performanceand capacity quickly and easily. In-frameupgrade paths allow you to change thenumber of drives, number of media slots,and type of drive technology, or you canperform a frame-to-frame upgrade.

Library Status tool Helps reduce administration costs andmaximize operational efficiency.Facilitates remote monitoring of the

library, drives, CAP, media, and storagecells. Also permits library reboot,firmware (code) upgrades, and generates

valuable reports to perform remotetroubleshooting.

Library Admin An upgrade of the Library Status tool, thisprovides enhanced maintenance anddiagnostic capabilities including a virtual

view of the librarys cells, statistics on thelibrary, drives, cells, and cleaningcartridges, the ability to view and modifythe configuration of the library, drives,and network, and run diagnostic routinesto verify the functionality of the library,drives, and the robotic movements.

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Multiple leading tape technologiesoffered, including: Linear TapeOpen(LTO) Ultrium, Super Digital Linear Tape(SDLT), and DLT 8000 drives

Provides high availability, highthroughput, and quick backups.

Cartridge access port (CAP) Permits quick and easy loading for batchjobs without interrupting libraryoperation.

SAN-ready option Connectivity to Fibre Channel. Allowsdata to be shared by multiple servers andprovides simple scalability, ensuringenterprise-class business continuity.

Compact PCI expansion card Ensures expandability and standardscompliance.

Auto-sensing and configuration Prevents improper orientation of

cartridges. At initialization or power-on,the robot attempts to pick up anyunreadable, unlabeled, or improperlyplaced cartridges. If unretrievable, librarystatus will be not ready.

Autoloader Mode (L20 only) Easily configured from the operatorpanel, the autoloader mode providessequential operation of the library,allowing you to control the automaticmount and dismount for a series ofcartridge tapes. This mode does not

require sophisticated software, yet stillprovides unattended backup that reducesadministrative costs.

Monitoring of cooling system andredundant power supplies and fans (L40and L80)

Ensures maximum uptime and availabilityof your critical data. The redundant powersupply (L40 and L80) provides the abilityto operate from two separate AC circuits.

Hot-swappable tape drives, powersupplies, and fans

The drives are mounted on customerreplaceable drive trays, which makes drivereplacement easy, requires no specialtools, and does not interrupt library

operation (when configured with morethan one drive).

High-resolution GUI (graphical userinterface)

Intuitive operation ensures easy use.

HVD or LVD SCSI or Fibre Channelinterfaces available

Allows adaptability to your systemsconfiguration.

Table 2-1. Features and Benefits (Continued)

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3Configuration Flexibility The flexibility of the libraries provides unparalleled investment protection. You canconfigure a library to meet your present needs, then, as your requirements grow, so canthe library. Upgrade choices allow you to add more cartridge capacity and drives toexpand from a smaller back-up-and-restore solution with a minimum of one drive and10 cartridges to a powerful product with up to eight drives and 80 cartridges. In the samefootprint, you can customize the library by adding a combination of drives in the drivecolumn. Inserting cartridges into the library is also easy through the librarys cartridgeaccess port (CAP).

Adding Cell and Drive CapacityIf your storage needs have increased, you might want to increase your cell capacity andthe number of drives in your library. You can do this either by ordering a conversion billor the desired Sun Microsystems, Inc (Sun) ordering part number listed in the OrderingGuide for your library.

With an upgrade conversion bill, you are able to increase the capacity of your library within the same library frame. You will receive an upgrade module and a set ofinstructions that will direct you through the upgrade process. You will use the operatorpanel to have the firmware update the personality module to reflect the increased cellcapacity of your library. Then, if desired, you can add additional external SCSI cables,drives, and media that can be ordered separately.

With the Sun ordering part number, you can increase your capacity with a frame upgrade. You actually receive a physically larger frame. You will use the external SCSI cables, drivesand media from your old library, and might want to order additional external SCSI cables,drives, and media to fill the new library.

Cartridge Capacity The tape management software locates cartridges by their cell numbers. You determinethe library capacity (total number of cells) when you order the library. You can order theL20 with 10 or 20 cells, the L40 with 20 or 40 cells, or the L80 with 40, 60, or 80 cells.

Note: For third-party software licensing reasons, StorageTek can configure the L20 with 15 cells, the L40 with 32 cells, and the L80 with 64 cells.

Do not include the drive slots and the CAP cells when determining data-cell capacity. Infully configured libraries, if Auto Clean isnot enabled, you can use the cleaning cells to

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Cartridge Access Port


store data cartridges. If Auto Clean is enabled, the cleaning cells must contain cleaningcartridges.

Although you are able to see all the storage cells, the software only recognizes the datacells that are designated for the capacity that you ordered, which is controlled by thepersonality module. You can attach a cell barrier clip (in the L40 and L80) to indicate the

configuration of the cell capacity in your library to ensure that cartridges are manuallyinserted in viable positions.

These configuration options enable you to add cartridge capacity without changinglibraries. In addition, simpler mechanics and pinpoint cartridge location translate tofaster, more accurate movements.

Cartridge Access Port You insert cartridges into the library through the cartridge access port (CAP). The CAPholds one cartridge in the L20, two cartridges in the L40, and five in a removablemagazine in the L80. With the CAP, you can load batch jobs quickly and easily withoutinterrupting library operation.

Compatibility with Storage SolutionsComplementing its own software products, StorageTek has teamed with leading software

vendors in the areas of backup and archival, hierarchical storage management, mediamanagement, disaster recovery, and ServerFree backup. These relationships ensure easyconnectivity with leading solutions, such as those shown in Table 3-1.

Table 3-1. Compatible Storage Solutions

Vendor Product

CommVault Galaxy

Computer Associates ARCservBrightStor

Hewlett-Packard OmniBack

Legato NetWorker

Sterling Alexandria

Tivoli Tivoli Storage Manager

Veritas Backup Exec

NetBackup

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4 Adaptive Media TechnologyOne of the greatest strengths of the libraries is the Adaptive Media Technology (AMT),

which encompass the ability to read the volume serial number (VOLSER) labels on thecartridges stored in the library. AMT consists of a collection of innovations that allow thelibrary to accommodate multiple drive types and their corresponding mediasimultaneously. The libraries will also support new drive and media types when they areavailable.

Supported Drives The libraries support Digital Linear Tape (DLT) 7000E, 8000, Super DLT (SDLT) 220,320, and 600 from Quantum Corporation; DLT1 from Benchmark Storage Innovations,Inc; and Linear TapeOpen (LTO) Ultrium drives from the LTO Consortium (Seagate/Certance/Quantum).

You may mix drive types within a library, but please observe the following cautions:

StorageTek does not advise you to mix DLT 7000 and DLT 8000 drives in the samelibrary. When you place a DLT 7000 cartridge into a DLT 8000 drive, the drive willread but not write on the cartridge. When you place a DLT 8000 cartridge into aDLT 7000 drive, the drive assumes that the cartridge is blank and writes over theexisting data on the cartridge.

StorageTek does not advise mounting SDLT 320-formatted cartridges into SDLT220 drives. An SDLT 220 drive will overwrite the 320 data. To avoid this, carefullymanage the locations of the cartridges within your library, and designate the correctdrive type for your read/write operations.

DLT1 drives use only DLTtape IV cartridges.

The flexibility of using different types of drives protects your investment. For example,you can initially purchase an L80 tape library with DLT 8000 drives. As performancerequirements increase, you can add Ultrium drives. This flexibility also enables smoothdata migration from one type of media to anotherall within the same library. Yoursystem adapts freely to future drive technology without requiring you to purchase a newlibrary.

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Audit of Library


Audit of Library An audit is how the library keeps track of all cartridges within the library. An audit occurs when you:

Power-on the library Open and close the door (drawer in the L20) Enter an audit request at the host console

The camera on the hand reads the labels on the cartridges, microcode assigns the celllocations, and the LLC processor card records the assignments. When the Media Checkfeature is on, the robot attempts to pick up any unreadable, unlabeled, or improperlyplaced cartridges. If unretrievable, library status will be not ready.

Tape Management Software The tape management software provides the instructions to perform tape read and write

operations and robotic move operations. When the library is in automated mode, theseoperations occur without manual intervention. The software determines where thecartridge is located by accessing audit data uploaded from the library. The software thenallocates the drive to receive the cartridge.

Electronics Module The electronics module (EM) consists primarily of the LLC card, which is inside the EM,on the left side as you face the EM from the rear of the library. The interface connectionsand personality module are on the EM frame. One or two Fibre Channel router cards canalso be installed in the EM depending on the library model.

LLC Card The LLC card, in the EM, is the processor card. It contains all the hardware necessary tomaintain the robot, servo, and vision control. It also contains an operator panel interface,a SCSI interface (HVD or LVD, selectable), an Ethernet interface, eight (L80), four (L40),or two (L20) serial drive ports, and a Customer Services Engineering (CSE) port.

The card stores the library capacity information from the personality module and the volume serial numbers of the cartridges in the library cells.

Personality Module The personality module is a connector that stores the library cell capacity information(10, 20, 40, 60, or 80 cells). The library will not operate unless an authorized module isattached to the rear of the EM.

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5Connectivity The libraries include an embedded small computer system interface (SCSI) controller thatsupports both single-ended, low voltage differential (LVD) and high voltage differential(HVD) UltraSCSI. You do not need additional interface cards to support synchronoustransfer rates up to 40 MB/s (native).

StorageTek has designed the libraries to make the transition from SCSI to Fibre Channelas easy as possible. You can convert the SCSI library (LVD only) and drives to FibreChannel through an optional Fibre Channel router mounted either internal or external tothe library. The L40 and L80 are customer upgradable, and the L20 is field upgradable byan authorized partner or StorageTek service call. In addition, once the Fibre Channelcontrol path is released, you can upgrade the library as other Fibre Channel drivesbecome available.

The library interface is either HVD or LVD SCSI or, with the addition of an optionalFibre Channel router card, Fibre Channel-to-SCSI LVD. The Fibre Channel routerconverts the library and SCSI signals to Fiber Channel protocol. One router cardconverts up to four drives. The second router (L80 only) converts the additional drives.In addition, two external Fibre Channel routers are availableone supports up to fourdrives, the other supports eight drives (L80 only). Properly terminate each SCSI bus withan LVD or LVD/SE multimode terminator.

In addition to the internal fibre channel router card, two external routers are available. The SN3300 Fibre Channel Router supports up to four drives, the SN3400 Multi-

protocol Router supports up to eight drives and is commonly used with the L80. TwoSN3300 routers may also be used with the L80 to support up to eight drives.

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Table 5-1. Compatible Drives and Interfaces

Drive Name Sustained Native Transfer RateInterface

HVD 1 LVD 2 FC

DLT 8000 6.0 MB/Sec Ultra-2 SCSIHVD=Fast 40

Ultra-2 SCSI LVD=80MB/sec, SE=40MB/sec

N/A

SDLT 220 11 MB/Sec Ultra-2 SCSIHVD=Fast 40


N/A

SDLT 320 16 MB/Sec Ultra-2 SCSIHVD=Fast 40


Yes

SDLT 600 36 MB/Sec N/A Ultra-3 SCSI LVD=160 MB/sec,SE=40 MB/sec

N/A

Seagate/CertanceUltrium 1 LTO 3

16 MB/Sec Ultra-2 SCSIHVD=Fast 40

Ultra-2 SCSI LVD=80 MB/sec, SE=40 MB/sec

Yes


34 MB/Sec N/A Ultra-2 SCSI LVD=80 MB/Sec

Yes


68 MB/Sec N/A Ultra-3 SCSI (Ultra-160)LVD 160MB/Sec

N/A

IBM Ultrium 1 LTO 15 MB/Sec Ultra-2 SCSIHVD=Fast 40) 4

Ultra-2 SCSI LVD80 MB/Sec

Yes

IBM Ultrium 2 LTO 35 MB/Sec N/A Ultra-3 SCSI (Ultra-160)LVD 160MB/Sec

Yes

IBM Ultrium 3 LTO 80 MB/Sec N/A Ultra-3 SCSI (Ultra-160)LVD 160MB/Sec

N/A

HP Ultrium 1 LTO 15 MB/Sec Ultra-2 SCSIHVD=Fast 40) 4

Ultra-2 SCSI LVD80 MB/Sec, SE=40MB/sec

Yes

HP Ultrium 2 LTO 30 MB/Sec N/A Ultra-3 SCSI (Ultra-160)LVD 160MB/Sec

Yes

HP Ultrium 3 LTO 80 MB/Sec N/A Ultra-4 SCSI (Ultra-320)LVD 160MB/Sec

N/A

1. The maximum burst speed of data transfer for the HVD interface is at 40 MB/s2. The maximum burst speed of data transfer for the LVD interface varies depending upon the type of

SCSI interface.3. Certance is owned by Quantum Corporation.

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The Fibre Channel to LVD SCSI router:

Allows the library to be connected to a 1 GB (2 GB for the external Fibre Channelrouter) Fibre network (arbitrated loop and switched fabric)

Leverages your SCSI LVD storage investments Makes it easy to connect in a Fibre network

Allows ServerFree backup (automated transfer of data from drive to drive withouthost intervention) Increases the host-to-library distance from 12 m (39.37 ft) to 500 m (1,640 ft) Allows connectivity between Fibre networks and the library and SCSI drives

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L40 and L80


L40 and L80In the L40 and L80, the robot, behind the front door, consists primarily of the:

Theta assembly for lateral movement Z drive assembly for vertical movement Hand to mount and dismount cartridges

Most of the robotic components are mounted on the Z shaft. The hand on the Z carriagemoves up and down the shaft to access the cells. The cells are stacked in columns; thecolumns are arranged around the robot. The hand rotates about the shaft.

The camera, on the hand, reads the bar code volume serial numbers on the cartridges,and the library and CAP calibration targets.

Figure 6-1. L20 Tape Library Internal View (L201_314)

1. Pickermoves along its U-shapedtrack and removes (gets) and places(puts) cartridges into storage cellsor drives.

2. U-shaped track (for robot movement)

3. Cartridge storage cells4. Drive 05. Drive 16. Cartridge storage cells

L201_314

4 5 6

3

2

1

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L40 and L80

Figure 6-2. L40 Library Internal View (L201_315)

1. Hand assembly2. Drive 3

3. Drive 24. Drive 15. Drive 06. Library vision calibration label and

master target

7. Fibre Channel router card (optional)8. Cartridge

9. Columns 0 through 3, with 3 on farright10. Cleaning cartridge cell11. CAP cells (two)

Note: The top drive is Drive 0. If all four drives are installed, the top drive is Drive 0and the bottom is Drive 3. If drives are installed only in the two middle slots,the top drive installed is Drive 0 and the drive below it is Drive 1.

L201_315

3

4

5

8

76

2

9

10

11

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L40 and L80


Figure 6-3. L80 Library Internal View (L201_316)

1. Hand2. Drive 7 (See note.)3. Drive 64. Drive 55. Drive 46. Drive 37. Drive 2

8. Drive 19. Drive 010. Cartridge storage cells (columns 0

through 3, with 3 on far right)11. Two optional cleaning cartridge cells12. CAP with removable five-cell magazine13. Cartridge

Note: The top drive is Drive 0. If all eight drives are installed, the top drive is Drive 0

and the bottom is Drive 7. If drives are installed only in the two middle slots,the top drive installed is Drive 0 and the drive below it is Drive 1.

L201_316

3

4

5

9

7

8

6

2

10

1

11

12

13

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Advanced Hand-Camera Design

Advanced Hand-Camera Design The hand (or picker in the L20) is composed primarily of the reach carriage, reach belt,reach motor, and the camera. The hand mounts to the Z carriage on the Z shaft. Therobot can exchange 200 cartridges per hour, so your job is completed faster.

The camera reads the volume serial numbers on the cartridge labels after you insert them

into the tape library. The library records cartridge numbers and location. In addition,StorageTeks camera uses an innovative design, the Digital Vision Camera System, thataccommodates different media types.

Digital Vision Camera SystemStorageTeks libraries use a patented Digital Vision Camera System for cartridgemanagement, adaptive targeting, and self-calibration. Self-calibration enables the libraryto adapt to mechanical parameters that might change over time. This feature creates amore robust, reliable library that will perform dependably over the long term.

Most automated libraries use a common laser bar-code scanner for reading labels on

cartridges. Common scannerssuch as those used in grocery storesdo not provide theadvantages of StorageTeks Digital Vision Camera System, which can read marginal bar-code labels. In addition, the Digital Vision Camera System detects empty cells while inmotion, reducing audit time.

Figure 6-4. L40 and L80 Robotic Components (L201_317)

1. Z motor2. Hand assembly3. Z shafts

4. Z carriage5. Theta motor

L201_317

1

2

5

4

3

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Digital Vision Camera System



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7User Interfaces The user interfaces include the operator panel and the Ethernet/Web port.

Operator Panel This display has a simple menu system that presents all necessary configuration and statusfunctions, as well as instructions for configuring the library.

The operator panel displays library and drive status, drive and media type, configuration,diagnostic sequences, and an event log to help you keep the library operating anddiagnose problems quickly.

Library Status ToolBy connecting a 10baseT Ethernet interface to the librarys Ethernet port, you can easilymonitor the library activity remotely through a workstation.

Note: To upgrade firmware, you will need:

A personal computer (PC)

Software capable of performing a Z-modem transfer (for example, LibraryStatus tool, Windows Hyperteminal, or Procomm) and familiarity with this

software An available serial port

A cable for the PCs serial port (for more information on this cable, see theUpgrading Firmware section of the relevant librarys users guide)

Library Admin The StorageTek L-series Library Admin is now available and optional for the L20/L40/L80 tape libraries. This is an upgrade version of the Library Status tool, that has enhancedmaintenance and diagnostic capabilities. So, in addition to the features of the Library

Status tool, the Library Admin includes the ability to: Get a virtual view of the library's cells.

Obtain valuable statistics on the library, drives, cells, and the cleaning cartridge.

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Library Manager


View and modify the configuration of the library, drives, network, and also set thecleaning cartridge threshold. Under the network configuration, you can add andmodify the SNMP agent and recipients.

Run diagnostic routines such as the demo mode and library self-test. You can alsoremotely clean a drive.

Library Manager The Library Manager is an optional software program that provides intelligent librarycontrol for StorageTek SCSI tape libraries, including the L Series libraries. The LibraryManagers management and control features include the ability to bring SCSI librariesonline and offline, and the ability to do tape operations, such as enter, eject, mount,dismount, or query tape cartridges.

Framework Library Monitor

The optional Framework Library Monitor is the first software that allows you to monitorand respond to StorageTek SCSI-based tape library events from within a systemmanagement framework (SMF).data in a new way

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8 Typical Customer EnvironmentsEnterprises of all sizes will benefit greatly from the StorageTek libraries highperformance, high availability, and flexibility. The libraries architecture provides agility toaccommodate future technological changes in the marketplace.

UNIX NetworksOrganizations with large UNIX and NT networks gain a competitive advantage from thelibraries fast-loading speeds and parallel data paths, which speed throughput. Typicalconfigurations for the L40 and L80 include database servers, application servers, and fileservers.

Small and Midsize Environments The libraries high performance benefits small and midsize environments. Typicalconfigurations include:

L20 is especially useful for small environments.

L40 and L80 can have multiple hosts to a single library.

L40 and L80 are network-attached libraries for centralized monitoring anddiagnosing machine performance.

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9High Availability and Reliability The libraries meet or exceed the needs of the market segment that demands their ultra-high availability feature. In fact, reliability begins before you receive your tape library. TheL20 tape library features a locking pin that holds the picker stationary during shipping,and the L40 and L80 are packed with foam to stabilize the robot. To set up the library,remove the locking pin or foam, connect the power, connect the host, add and configurethe drives, label and add the cartridges, and apply power. The library is ready to go.

After the library is installed, StorageTek continues to provide you with maximum uptimeand availability of your critical data. As the market leader in tape automation, StorageTekunderstands the critical library elements that improve the overall availability of the entiresystem.

In particular, StorageTek has focused on the following items to provide significantbenefit to you, the customer:

Robust Mechanical Design Fault-Tolerant Cooling System Critical Component Monitoring and Error Notification

Robust Mechanical DesignStorageTek brings enterprise-class reliability to the libraries. All subassemblies arestreamlined; for example, cabling is simplified to reduce the number of connectors. Also,the hand (or picker) uses a quiet and simple design, which results in high performance.

The libraries use highly integrated electronics. All the main library functions reside on asingle controller card, resulting in a more reliable, cost-effective solution than amotherboard with several plug-in modules. This minimalist approach enables the libraryto yield both high value and reliability.

Table 9-1. Reliability Measurements

Mean exchanges between failures 2,000,000

Mean time to repair Less than 30 minutes

Mean time between failures 360,000 hours (full operation)

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Fault-Tolerant Cooling System


Fault-Tolerant Cooling SystemIn addition to the fans contained in each drive module, the libraries provide exhaust fansfor cooling the library electronics. This cooling system continues to function while acooling fan is replaced by a service representative.

StorageTek uses only the most reliable fans, which feature ball-bearing constructiondesigned for a mean time between failures of 360,000 hours.

The library system constantly monitors the electronics module, and the microcode usesrotation sensing to detect the fan speed to maintain an optimum temperature. If a fanfails, the microcode displays an error on the operator panel.

Critical Component Monitoring and ErrorNotification

The libraries monitor their own critical components, such as the drives, robot, fan status,internal library temperature, and power supplies.

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10Serviceability All serviceable components are easily accessible, and StorageTek has designed yourlibrary for:

No Periodic or Scheduled Maintenance Hot-swappable Power Supplies (L40/L80)

StorageTek offers several service options and safety features to help minimize downtimefor your library.

Service Offerings Safety Features

No Periodic or Scheduled MaintenanceStorageTek is the only library manufacturer to provide a robotic system designed tooperate without scheduled or periodic maintenance for the entire life of the product.

Your library continues to operate because its components do not require lubrication orbelt retensioning.

Hot-swappable Power Supplies (L40/L80)If a power supply fails, the library stays functional with all drives in the drive columnoperational. The only time that some drives might become non-operational is if theservice circuit fails.

If your system includes the optional power system, you can replace the faulty powersupply while the library is running. With the functional power supply still providingpower to the robot and half the drive system, you can replace the faulty power supply andconnect it into the drawer connectors.

Service OfferingsStorageTek has designed the libraries so the customer or end user can install and servicethe libraries at the CRU (customer replacement unit) level. The standard level of serviceand warranty offering is Advanced Exchange, however, both Elite and Select on-siteservices are available.

L20/L40/L80 availability is restricted to areas that can support the Advanced Exchange warranty offering. The L20/L40/L80 Advanced Exchange service warranty level doesnot require StorageTek to return the original serial number asset to the customer. The

warranty entitles customers to 1 hour of free telephone installation support. Customers

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Safety Features


with cases under warranty can submit calls to the Call Center at any time; however,StorageTek will only respond Monday through Friday, 8am to 5pm local time, excludingholidays.

Elite on-site service is StorageTeks comprehensive high-availability system supportsolution, and is in place to support around-the-clock, mission-critical computing

environments. Select on-site service is designed for customers that are in need ofbusiness-critical support, 8 a.m. to 5 p.m. local time, Monday through Friday (9 x 5). Theon-site offerings may be restricted in some geographies. StorageTek offers libraryinstallation service for a fee, which does not include drive installation.

StorageTek's international subsidiaries may establish their own Advanced Exchangeprocesses, depending on their relationships with the distributors, customs, and taxationissues. They may have a unique warranty offering due to the differences in the warrantydelivery processes.

The sales representative will ensure the customer is aware of all prerequisites andcompatibility issues. The L20/L40/L80 Connectivity Matrix is on the L20/L40/L80 Webpage on the CRC. StorageTek will not accept calls for software not listed in the matrix.

Safety FeaturesSafety features are incorporated into the libraries. If you unlock and open the front door(drawer in the L20), an interlock removes power from the robot. In addition, the LLCcard and the AC power supply are housed inside the electronics module (in the L20 andL40) to prevent you from coming into contact with hazardous voltages and sensitiveelectronics.

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MT9104 Revision Nine A-1

ASpecifications This appendix provides specifications for the libraries.

Table A-1. Environmental Specifications

Operating Storage Transporting

Temperature +10 to +40C+50 to +104F

+10 to +40C+50 to +104F

-40 to +60C-40 to +140F

Humidity 20 to 80% 10 to 95% 10 to 95%

Wet bulb (maximum,

noncondensing)

+29.2C

+84.5F

+35C

+95F

+35C

+95F Altitude -76 to 3,048 m (-250 to 10,000 ft)

Table A-2. L20 Power Specifications without Drives

Input voltage 100240 VAC, single phase

Frequency 50/60 Hz

Maximum power consumption (library) 1.4 A at 120 V or 0.71 A at 240 V

Maximum heat output 560 Btu/hr

Voltage-amperes 170 VA

Table A-3. L40 and L80 Power Specifications without Drives

Input voltage 100240 VAC, single phase

Frequency 50/60 Hz

Maximum power consumption (library) 1.42 A at 120 Vor 0.75 A at 240 V

Maximum heat output 614 Btu/hr

Voltage-amperes 180 VA

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A-2 Revision Nine MT9104

Figure A-1. L20 Tape Library, Desktop (L201_338)

1. 178 mm (7.0 in.) height

2. 483 mm (19.0 in.) width

3. 706 mm (27.78 in.) depth without cables

4. 102 mm (4.0 in.) dedicated fan exhaust clearance area (shaded volume provides forcable and cooling clearances)

5. 16 mm (0.625 in.) foot height

Weight (library only): 23.4 kg (51.6 lb)

L201_338

4

3

1

5

2

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Figure A-2. L20 Tape Library, Rack-installed (L201_335)

1. 176 mm (6.94 in.) height

2. 484 mm (19.05 in.) width of front with flange

3. 706 mm (27.78 in.) depth with fan, without cables4. 448 mm (17.65 in.) width

5. 680 mm (26.78 in.) depth without fan, without cables


7. 356 mm (14.0 in.) drawer travel distance8. 2.3 mm (0.090 in.) shaded area represents optional rail support

9. 37 mm (1.44 in.)Weight (library only): 21.8 kg (48 lb)

L201_335

5

6

2

4

7

3

8

1

9

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Figure A-3. L40 Tape Library, Desktop (L201_339)

1. 455 mm (17.90 in.) height with feet; feet are 16 mm (0.625 in.)

2. 490 mm (19.30 in.) width



Weight (library only): 44.45 kg (98 lb)

1

L201_339

2

4

3

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1. 442 mm (17.39 in.) height

2. 483 mm (19.0 in.) width of front with flange

3. 728 mm (28.65 in.) depth with fan, without cables

4. 448 mm (17.65 in.) width

5. 702 mm (27.65 in.) depth without fan, without cables6. 102 mm (4.0 in.) dedicated fan exhaust clearance area (shaded volume provides for

cable and cooling clearances)

7. 37 mm (1.44 in.) edge of library to inside edge of rail


L201_336

5

7

6

4

1

3

2

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Figure A-5. L80 Tape Library, Deskside (L201_340)

1. 1011 mm (39.80 in.) height including castors; castors are 72 mm (2.85 in.)

2. 540 mm (21.25 in.) width




L201_340

3

4

1

2

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1. 797 mm (31.39 in.) height

2. 483 mm (19.0 in.) width of front with flange3. 697 mm (27.44 in.) depth without cables;

not shown: fans protrude 27 mm (1.06 in.) from back

4. 448 mm (17.65 in.) width


6. 37 mm (1.44 in.)


L201_337

5

4

1

2

3

6

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Drive Power Specifications


Drive Power Specifications

Table A-4. Drive and Tray and Cartridge Weights

DLT 8000 drive and tray 5.4 kg (12 lb)

Super DLT drive and tray 3.17 kg (7 lb)

DLT IV cartridge 223 g (7.9 oz)

HP Ultrium LTO drive and tray 5.0 kg (11 lb)

IBM Ultrium LTO drive and tray 5.8 kg (12.7 lb)

Seagate Ultrium LTO drive and tray 5.5 kg (12 lb)

Ultrium 100 GB cartridge 220 g (7.8 oz)

Table A-5. Drive Power Specifications

Drive Volt Amperes Current Heat outputDLT 8000 65 VA 0.53 A at 120 VAC

0.27 A at 240 VAC222 Btu/hr

Seagate/Certance 1 LTO

47 VA 0.38 A at 120 VAC0.20 A at 240 VAC

160 Btu/hr

HP LTO 46 VA 0.37 A at 120 VAC0.19 A at 240 VAC

157 Btu/hr

IBM LTO 69 VA 0.56 A at 120 VAC0.29 A at 240 VAC

236 Btu/hr

Super DLT 58 VA 0.47 A at 120 VAC0.24 A at 240 VAC 198 Btu/hr

1. Seagate/Certance is owned by Quantum Corporation.

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Agency Certifications


Table A-6. Agency Certifications

Category Certification

Safety CSA standard CAN/CSA-C22.2 no. 950-M93UL standard 1950, Third Edition

EN60950

Emissions FCC 47, Part 15, Subpart B, Class A

VCCI Class A

European Union CE emissions standards

Canadian EMC Law; ICES-003

Immunity European Union CE immunity standards

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MT9104 Revision Nine Glossary-1

Glossary

This glossary defines terms and abbreviations inthis and other product-related publications.

Some of the definitions are taken from otherglossaries. The letters in the parentheses thatfollow some definitions indicate the source of thedefinition:

(A) The American National Standard Dictionary forInformation Systems , ANSI X3.172-1990,copyright 1990 by the American NationalStandards Institute (ANSI).

(E) The ANSI/Electronic Industries Association (EIA) Standard-440-A, FiberOptic Terminology.

(I) The Information Technology Vocabulary ,developed by Subcommittee 1, Joint

Technical Committee 1, of theInternational Organization forStandardization and InternationalElectrotechnical Commission (ISO/IEC/

JTC1/SC1).

(IBM) The IBM Dictionary of Computing , copyright1994 by IBM.

(T) International standards committee drafts, and working papers being developed by the ISO/IEC/ JTC1/SC1.

A

A Ampere.

AC alternating current.

access time The time interval between the timedata is requested and data is delivered.

adapter A card that provides the physicalinterface between the host system I/O bus and theSCSI or Fibre channel bus. See also host busadapter.

application software Software that is specificto the solution of an application problem.

audit An operation to catalog or record thephysical location of a cartridge tape in an

automated library.auto clean A feature of an automated librarythat allows a cleaning cartridge to automatically beinserted into a drive when a drive indicates that itrequires cleaning. The host software must supportthe auto clean function.

automated mode A relationship between alibrary and the client. In automated mode, therobot moves the cartridges among the storagecells, CAP, and drives in response to clientcommands. This is the normal operating mode ofa library that is communicating with the client.

B

B See byte.

backward read compatible (BRC) Theability of an SDLT 220 tape drive to read recordeddata from an earlier version of DLT tape drive.Contrast withnon-backward read compatible(NBRC).

baud The communications transfer rate for serialdata.

bit (1) A unit of information equal to a 1 or a 0.

British thermal unit (Btu) A standardmeasure of a devices heat output. The amount ofheat required to raise one pound of water onedegree Fahrenheit.

Btu See British thermal unit.

bus A facility that transfers data between two

devices with only one device having control at atime.

byte A number of bits, treated as a unit, andrepresenting a character.

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Glossary

Glossary-2 Revision Nine MT9104

C

C (1) Celsius. (2) Centigrade.

camera A system that reads volume serialnumber labels on cartridges, instead of scanning

the labels with a laser. A camera performs fasterand more accurately than a laser scanner.

CAP See cartridge access port.

cartridge A storage device that consists ofmagnetic tape on supply and take-up reels, in aprotective housing. (IBM)

cartridge access port (CAP) A device in thelibrary that allows an operator to insert or removecartridges during library operations.

cartridge drive The unit that houses themagnetic-tape transports and controllers that storeand retrieve data for the host system in a cartridgesubsystem.

cartridge tape A composite of the plastichousing and the magnetic tape.

catalog (1) The inventory of all cartridge tapestorage locations in a library; this inventory is bylibrary number, panel, row, column. (2) A storedlist of backed up files and directories and thelocations of the backup copies.

cell The location in the library in which acartridge is stored.

cleaning cartridge A cartridge that containsspecial material to clean the tape path in a drive.

cleaning cells See reserved cells.

client server The primary computer on anetwork, with which other computers interact. Aserver is a processor, usually composed of a centralprocessing unit and memory, that typicallycommunicates with peripheral devices overchannels or networks, to perform input/outputoperations such as network control. It alsoprovides end users with computation services anddatabase access. Also called host.

command line interface (CLI) The CSEport on the LLC card.

config See configuration.

configuration (config) The physicaldescription of a library listing the panel types,cartridge capacity, type of host connection, andnumber of drives.

configuration error An error that resultsfrom incorrect configuration values.

controlling (host) software The logicalinterface between the host operating system andthe library components.

CRU See customer replaceable unit.

CSE port A slot that enables a remote or laptopcomputer user to run diagnostic tests, examine thefault symptom code (FSC) log, downloadfirmware, or connect the library to a remotemodem.

customer replaceable unit (CRU) (1) Anassembly that a customer is allowed to replaced inits entirety when it fails.

Customer Resource Center (CRC)StorageTeks Web-based service that providestechnical information to customers withStorageTek maintenance contracts. A log-in andpassword are required.

D

daisy chain (1) A method of deviceinterconnection for determining interrupt priorityby connecting the interrupt sources serially. (2) Adevice interconnection cable.

diagnostic cartridge A data cartridge with aDG label, which is used for diagnostic routines.

diagnostic tests Automated offline tests that aservice representative uses to evaluate and

troubleshoot equipment.DC Direct current.

differential (diff) A SCSI bus alternative thatprovides better signal quality with less crosstalkand noise but requires more power to drive thesignal. The maximum cable length is 25 m (82 ft.).

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Glossary

differential operation A SCSI bus alternativein which the signal from the SCSI chip passesthrough a set of differential drivers and receivers.

This alternative provides better signal quality withless cross-talk and noise but requires more powerto drive the signal. Contrast withsingle-endedoperation.

Digital Linear Tape (DLT) (1) A trademarkedname for Quantum cartridge tapes and drives. (2)

A type of magnetic tape storage device marketedby several companies. DLT cartridges are -inch

wide and come in several sizes ranging from 20 toover 80 GB.

dismount To remove a cartridge from a drive.

DLT See Digital Linear Tape.

DLT1 A low cost, high-capacity tape drivemanufactured by Benchmark Storage Innovationsand Quantum Corporation. It features a nativecapacity of 40 GB using DLTtape IV media with asustained transfer rate up to 3 MB/s.

domain (1) A shared user authorization database which contains users, groups, and their securitypolicies. (2) A set of interconnected networkelements and addresses that are administeredtogether and that may communicate.

Domain Name Service (DNS) A service thattranslates domain names into IP addresses.Because domain names are alphabetic, they areeasier to remember than IP addresses. See libraryname.

door interlock switch A switch thatdisconnects power to the library when the frontdoor is opened.

drive An electromechanical device that movesmagnetic tape and includes the mechanisms for

writing and reading data to and from the tape.

Dynamic Host Configuration Protocol(DHCP) (1) Server software that automaticallysets the library IP address, subnet mask, and name.(2) Server software that automatically sets IPaddress, net mask, and gateway. (IBM)

E

electronics module A unit in the libraryconsisting primarily of the internal LLC card,interface connections, and the personality moduleon the EM frame.

electrostatic discharge (ESD) Anundesirable discharge of an accumulated electricalcharge (static) that can severely damage delicatecomponents and degrade electrical circuitry.

element An externally addressable componentof a library, such as a drive, CAP, or storage cell.

enabled (1) Active. (2) On.

ESD See electrostatic discharge.

Ethernet A 10 Mb/s baseband local areanetwork that allows multiple stations to access thetransmission medium at will without priorcoordination, avoids contention by using carriersense and deference, and resolves contention byusing collision detection and transmission.Ethernet uses carrier sense multiple access withcollision detection. (IBM)

Ethernet address A six-byte address thatmakes a library accessible to a network.See alsoEthernet, Internet Protocol (IP) address, libraryname, and subnet mask.

Event log A file, accessible through the operatorpanel, that contains events that occurred duringthe functional operation of the library.

F

F Fahrenheit.

fast load A mode of library operationpermitting the robot to retrieve another cartridgebefore receiving load confirmation from a drive.

fault symptom code (FSC) A four-characterhexadecimal code generated in response to anerror to help isolate failures within the device.

FRU See field replaceable unit.

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Glossary


fiber-optic cable A jacketed cable of thinstrands of glass that carries pulses of light thattransmit data for high-speed transmissions overmedium to long distances. The cable can be singlemode, which carries a single signal from a laser orlight-emitting diode light source, or multimode,

which carries multiple signals from either lightsource.

fiber optics The branch of optical technologyconcerned with the transmission of radiant powerthrough fibers made of transparent materials suchas glass, fused silica, and plastic. (E)

Fibre Channel (FC) The standard from theNational Committee for Information TechnologyStandards that defines an ultra high-speed,content-independent, multilevel data transmission

interface that supports multiple protocolssimultaneously. Fibre Channel supportsconnectivity to millions of devices over copperand/or fiber-optic physical media and provides thebest characteristics of both networks and channelsover diverse topologies.

field replaceable unit (FRU) An assemblythat is replaced in its entirety when any one of itscomponents fails. (IBM)

file-protect To prevent the destruction oroverwriting of data stored on cartridge tape. Seealso write-protect.

firmware An ordered set of instructions anddata stored in a way that is functionallyindependent of main storage; for example,microprograms stored in a ROM. (T) Also knownas microcode.

FSC See fault symptom code.

G

g gram.Gateway A 32-bit, or 4-byte number, in dotteddecimal format (typically written as four numbersseparated by periods, such as 107.4.1.3 or84.2.1.111) that is applied to an IP Address toidentify router interface.

GB See gigabyte.

get An activity in which a robotic hand obtains acartridge from a cell or drive.

gigabyte (GB) One billion (109 ) bytes. Whenreferring to memory capacity, 1,073,741,824 indecimal notation. (IBM)

H

HBA See host bus adapter.

hand assembly A part of the library robot whose function is to grasp cartridges and movethem between storage cells and drives. A cameraon the hand assembly reads cartridge volumelabels.

Hertz (Hz) A unit of frequency equal to onecycle per second. For example, in the UnitedStates, power line frequency is 60 Hz, or a changein voltage polarity 120 times per second.

high voltage differential (HVD) A type ofSCSI interface. The HVD interface allows longercable lengths of up to 25 m (82 ft), but throughputis slower in data transfer rates than LVD (low

voltage differential).

host The primary computer on a network, with

which other computers interact.host bus adapter (HBA) A circuit installed ina multi-platform host or device that interfacesbetween the device and the bus.

host controlling software The logicalinterface between the host operating system andthe library components.

hot swapping A method of componentreplacement in which the system containing thecomponent remains online during removal of the

failed component and insertion of a replacement.Hz See Hertz.

I

in. See inch.

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Glossary

inch A unit of measure equal to 25.4 mm.

indicator A device that provides a visual orother indication of the existence of a defined state.(T)

initialization The operations required forsetting a device to a starting state, before the use ofa data medium, or before implementation of aprocess. (T)

initial program load (IPL) A process thatactivates a machine reset and loads systemprograms to prepare a computer system foroperation. Processors having diagnostic programsactivate these programs at initial program loadexecution. Devices running firmware usuallyreload the functional firmware from a diskette ordisk drive at initial program load execution.

interface Hardware, software, or both, that linkssystems, programs, or devices. (IBM)

Internet Protocol (IP) A stacked set ofprotocols, developed by the United StatesDepartment of Defense, to facilitatecommunication between dissimilar computers overnetworks.

Internet Protocol (IP) address A four-byte value that identifies a library and makes itaccessible through a network. IP addresses arelogically divided into two parts: the network(similar to a telephone area code), and the systemon the network (similar to a phone number). SeealsoEthernet address, library name, subnet mask.

intervention required Operator action isrequired (such as removing a cartridge from thedrive).

K

kb See kilobit.

kB See kilobyte.

kilobit (kb) (1) One thousand bits (10 bits). (2)1,024 bits (210 ) of storage.

kilobyte (kB) (1) One thousand bytes (10bytes). (2) 1,024 bytes (210 ) of storage.

kilovolt-ampere (kVA) An electrical unit ofpower equal to one thousand volt-amperes.

kVA See kilovolt-ampere.

L

label An identifier associated with a removablemedia or cartridge. Labels may be humanlyreadable, machine readable, or both. Synonymouswith VOLSER and volume serial number.

lb An abbreviation for pound.

leader block. The mechanism that loads thetape through the tape path of a drive.

Library Admin See StorageTek L-Series Library Admin.

library name An assigned name that maps tothe Internet Protocol (IP) address for a library. SeealsoEthernet address, Internet Protocol (IP)address, subnet mask.

Library Status tool A proprietary softwarethat resides internal to the library and is activatedusing a Web browser. It is used to monitor thelibrary, load code, reboot library, and to generatereports on library, drives, fault symptom codes(FSCs), and tape inventory.

Linear Tape-Open (LTO) A technologydeveloped jointly by HP, IBM, and Seagate for newtape storage options. LTO technology is an openformat, which means that users have multiplesources of products and media. The open natureof LTO technology also provides a means ofenabling compatibility between different vendorsofferings.

low voltage differential (LVD) A type ofSCSI interface. LVD interface restricts cablelengths, 12 m (30.4 ft), but provides fasterthroughput.

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Glossary


M

m See meter.

mA Milliampere or one one-thousandth (10 -3 ) ofan ampere.

magazine A container that holds cartridges inthe cells provided and is inserted into the CAP.

magnetic tape A tape with a magnetizable layeron which data can be stored. Synonymous with tape .

Main menu The top-level menu on theoperator panel display.

manual mode A relationship between a libraryand all attached clients. Tape libraries operating inmanual mode have been placed offline to all clientCPUs and require human assistance to performcartridge operations.

Mb See megabit.

MB See megabyte.

Mb/s Megabits per second.

MB/s See megabytes per second.

media type A type of removable media. Forexample, a DLT IV media type indicates that thecartridge is for use in a Quantum DLT drive.

megabit (Mb) (1) One million (106 ) bits. (2)1,048,576 (2020 ) bits of storage.

megabyte (MB) (1) One million (106 ) bytes. (2)1,048,576 (2020 ) bytes of storage.

megabytes per second (MB/s) Ameasurement that usually describes the speed ofdata transfer.

meter (m) A metric measurement of lengthequal to 1.0936 yards, 3.2808 feet, or

39.3696 inches.micro () A prefix that means one one-millionth (10-6 ).

microcode Seefirmware.

millimeter (mm) A unit of measure equal toone-thousandth (10 -3 ) of a meter or 0.04 in.

millisecond (ms) One thousandth (10 -3 ) of asecond.

milliwatt (mw) One thousandth (10-3

) of a watt.

mm See millimeter.

mount a cartridge The process by which thelibrary robot retrieves a cartridge from a cell andplaces it into a drive.

ms See millisecond.

mV Millivolt or one one-thousandth (10 -3 ) of a volt.

mw See milliwatt.

N

network An arrangement of nodes andbranches that connects data processing devices toone another through software and hardware linksto facilitate information interchange.

network file system (NFS) A distributed filesystem and its associated network protocol.

network gateway A four-byte notation thatmakes the library accessible to a large network, which consists of two or more subnets, through agateway connection.

non-backward read compatible (NBRC) The inability of an SDLT 220N tape drive to readrecorded data from an earlier version of DLT tapedrive. Contrast withbackward read compatible(BRC).

O

offline Neither controlled by, norcommunicating with, a computer.

online Pertaining to the operation of afunctional unit when under the direct control ofthe computer.

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Glossary

open fiber control (OFC) Open FiberControl (OFC) cables incorporate a safetymechanism that prevents damage to the humaneye when the connection (link) is disconnected.

operator panel (1) A panel that enables a user

to configure and diagnose the library or drive. (2) The user interface for libraries or drives.

operating system Software that controls theexecution of program and that may provideservices such as resource allocation, scheduling,input/output control, and data management.

Although operating systems are predominatelysoftware, partial hardware implementations arepossible. (T)

oz An abbreviation for ounce. A unit of weightequal to 28.35 grams.

P

peripheral device Any device thatcommunicates with a particular host or computer.Peripheral devices include disk subsystems, tapesubsystems, printers, scanners, CD-ROMs, opticaldevices, and communication devices.

personality module A connector key, whichconnects to the library through a DB9 connector.

The personality module stores the library cellcapacity information.

picker See hand assembly.

port (1) A specific communications end point within a host. A port is identified by a portnumber. (IBM) (2) A specific end-point forcommunications within a host or from a host to aperipheral device or vice versa. (3) In FibreChannel, it is an access point in a device where alink attaches. Examples of this port are N_Port,NL_Port, F_Port, and FL_Port.

put An activity in which a robotic hand releases acartridge into a cell or drive.

Q

quiesce (1) Allowing all activity to completebefore any new activity is allowed to start. (2) Tobring a device or an application to a state where allprocessing has been suspended and there are no

tasks in progress.

R

redundant power supply This power supplyshares the power load with the standard powersupply so that if one component were to fail, theother supply could take over fully withoutinterruption to the library operation.

reserved cells The cells in the library in whichonly cleaning cartridges, diagnostic cartridges, orswapped data cartridges may reside. Only one ofthese cells is a swap cell.

robot An electromechanical device that movescartridges among the cartridge access ports, thestorage cells, and the drives.

S

s Seconds.

safety interlock switch A switch that

disconnects power to the library when the frontdoor is opened.

SCSI bus The interface connecting peripheraldevices to a host operating system.

SCSI device A host adapter or control unitattached to the SCSI bus. Synonymous with target.

SCSI ID The bit-significant representation of anaddress on the SCSI bus.

Simple Network Management Protocol

(SNMP) A protocol for monitoring andmanaging systems and devices in a network.

single-ended operation A SCSI busalternative in which the signal passes directlybetween SCSI chips on either end of the cable.Contrast with differential operation.

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Glossary


small computer systems interface (SCSI) A local interface operating over a wide range oftransfer rates using a common command set for alldevices attached to the interface. It connects hostcomputer systems to a variety of peripheraldevices.

SNMP See Simple Network ManagementProtocol.

storage cells The locations where cartridges arekept in the library.

StorageTek L-Series Library Admin Anoptional interface that simulates internet browseroperation for the library. This is an upgrade of theLibrary Status tool.

submenu A menu related to and reached from a

main menu. (IBM)subnet mask A four-byte notation that resolvesrouting within a network. See alsoEthernet address,Internet Protocol (IP) address, library name.

Super DLT The next generation of DLT (DigitalLinear Tape) products, which remains a standardfor mid-range operating systems.

swap cell The cell among the reserved cells into which the robot might temporarily place acartridge.

T

tape See magnetic tape.

tape drive See drive.

tape transport interface (TTI) An interfaceto control/monitor tape movement.

target A machine-readable optical pattern usedto determine robot position. See also SCSI device.

theta motor The motor responsible for thelateral movement of the hand assembly in thelibrary.

thumbscrew The large, cylindrical, rough-edged handle on the rear of a drive tray that, when

a person turns it, lets the person secure the drive tothe drive column.

U

Ultrium The single hub implementation of theLTO specification for tape storage devices.

V

V Volts, usually expressed as VAC (voltsalternating current) or VDC (volts direct current).

VAC Volts alternating current.

VDC Volts direct current.

VOLSER See volume serial number.

volume A data carrier that mounts anddismounts as a unit; for example, a reel ofmagnetic tape or a disk pack.

volume serial number (VOLSER) Analphanumeric label that the host software uses toidentify a volume. It attaches to the spine of acartridge and is both human- and machine-readable.

W

warning count A user-determined limit thatindicates the number of times a cleaning cartridge

will be used before it must be exported from thelibrary.

write-enabled A setting on cartridge tapes thatallows data to be written on the tape.

write-protect (WP) To set the switch on acartridge tape to prevent data from being writtenon the tape. Reading data is still possible. See also file-protect.

Y

Y-cable A communications cable that has twoconnectors at one end and one connector at theother.

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Glossary

Z

Z carriage The portion of the robot on whichthe hand assembly rests.

Z motor The motor responsible for the verticalmovement of the hand assembly in the library.

Z shafts The columns (or tubes) which allow thehand assembly in the library to move vertically.

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MT9104 Revision Nine Index-1

Index

A

adaptivetargeting, 6-5

adding cell and drive capacity, 3-1advanced

exchange, 10-1agency certifications, A-9alert messages in manual, x

Alexandria storage solution, 3-2 ARCserve storage solution, 3-2audit, 4-2, 6-1

Auto Clean, 3-1autoloader mode, 2-2

B

Backup EXEC storage solution, 3-2bar code labels, reading, 6-5barrier clip, 3-2benefits and features, 2-1BrightStor storage solution, 3-2

C

calibration, self, 6-5camera

audit, 4-2L40 and L80, 6-2reading cartridges, 6-5

CAPdescription, 2-2location

L20, 1-1L40, 1-2L80, 1-3

capacity, 1-4, 3-1cartridge access port see CAP cartridges

capacity, 3-1cells, 2-1cleaning, 3-1management, 6-5reading by the camera, 6-5

slots, 1-4caution

messages in manual, xSDLT 320 data loss, 4-1

cell capacity information, 4-2certifications, A-9circuit, failure, 10-1cleaning cartridges, 3-1cleaning cells, locations

L40, 6-3L80, 6-4

clip, barrier, 3-2comparison of models, 1-4compatibility, storage solution, 3-2components

external, 1-1monitoring critical, 9-2robot, 6-5

Computer Associates, 3-2controller, SCSI, 5-1conventions in manual, xconverting to Fibre Channel, 5-1cooling system, 2-2, 9-2critical component monitoring, 9-2CRU, 10-1

CSE port, 4-2Customer Resource Center (CRC), -xiicustomize, 3-1

D

dataaudit, 4-2migration, 4-1

design, mechanical, 9-1desktop library positioning, 1-1digital vision system, 6-5DLT 7000, 4-1DLT 8000, 1-4, 4-1DLT1, 4-1door lock, location

L20, 1-1L40, 1-2L80, 1-3

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Index

Index-2 Revision Nine MT9104

drivescapacity, 1-4fans, 9-2interfaces, 5-2mixed media, 2-1multiple, 2-2, 4-1power specifications, A-8replaceable, 2-2serial ports, 4-2types, 4-1

E

electronicsintegrated, 9-1module, 4-2

Elite service, 10-1

EM, 4-2environmental specifications, A-1error notification, 9-2Ethernet port, 7-1event log, 7-1exchanges per hour, 6-5expansion card, PCI, 2-2external components, 1-1

F

fans, 9-2features and benefits, 2-1features, safety, 10-2Fibre Channel

benefits, 5-3conversion to, 5-1

fibre channelrouter, 1-1

firmware requirements, 7-1flexibility, configuration, 4-1floor library positioning, 1-1Framework Library Monitor, 7-2

G

Galaxy storage solution, 3-2graphic interface, 2-2

H

handcamera, 4-2description of, 6-5location, 6-4

See also robothardcopy publications from StorageTek, -xiiheights, tape libraries, 1-4Hewlett-Packard, 3-2hot-swappable power supply HVD/LVD, 1-1

I

integrated electronics, 9-1interface, graphic, 2-2

interfacesdrive, 5-2features, 2-2fibre channel and SCSI, 1-1user, 7-1

investment protection, 3-1

L

L20 Tape Library CAP, location, 1-1drawer, location, 1-1environments, 8-1front view, 1-1internal view, 6-2locking pin, 9-1operator panel, location, 1-1picker

L40 Tape Library CAP, location, 1-2cleaning cells locations, 6-3door lock, location, 1-2environments, 8-1front view, 1-2operator panel, location, 1-2robot, 6-2, 6-5

viewing window, location, 1-2L80 Tape Library

CAP, location, 1-3cleaning cells locations, 6-4door lock, location, 1-3

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MT9104 Revision Nine Index-3

Index

environments, 8-1front view, 1-3internal view, 6-3, 6-4operator panel, location, 1-3robot, 6-2, 6-5

viewing window, location, 1-3labels

bar code, 6-5 VOLSER, 4-1

Legato, 3-2Library Admin, 2-1, 7-1Library Manager, 7-2library rack mounting, 1-1Library Status tool, 2-1, 7-1licensing, third-party software, 3-1LLC processor card, 4-2lock, door, location

L40, 1-2L80, 1-3

locking pin, 9-1LTO Ultrium, 1-4 , 4-1LVD/HVD, 1-1

M

maintenance, periodic and scheduled, 10-1measurements, reliability, 9-1mechanical design, 9-1mechanism, picker. Seepicker

media check, 2-2mid-size environment, 8-1migration, data, 4-1mixed media, 2-1, 8-1model comparison, 1-4module

electronics, 4-2personality, 3-2, 4-2

monitoring critical components, 9-2multiple drives, 4-1

NNetBackup storage solution, 3-2NetWorker storage solution, 3-2netw

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