IBM System Storage Tape Library Guide for Open Systems
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Front cover IBM System Storage Tape Library Guide for Open Systems Learn about Tape Encryption for the TS1120 ad TS1040 Tape Drives Read about the new TS2230, TS2340, and TS3400 Discover the new functions for existing Tape Libraries Babette Haeusser Ingo Dimmer Alv Jon Hovda Jana Jamsek Ricardo Alan Silva Erwin Zwemmer ibm.com/redbooks International Technical Support Organization IBM System Storage Tape Library Guide for Open Systems October 2007 SG24-5946-05 Note: Before using this information and the product it supports, read the information in “Notices” on page xiii. Sixth Edition (October 2007) This edition applies to those versions of the IBM TSxxxx tape drive and tape library products current at the time of publishing. For reference purposes, it also contains information about tape drives and libraries that have been withdrawn from marketing. © Copyright International Business Machines Corporation 2007. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Notices . xiii Trademarks . xiv Preface . .xv The team that wrote this IBM Redbooks publication . .xv Become a published author . xvii Comments welcome. xvii Summary of changes. xix October 2007, Sixth Edition . xix April 2007, Fifth Edition . xix September 2005, Fourth Edition . .xx June 2004, Third Edition . .xx Part 1. Open Systems Tape Basics . 1 Chapter 1. Tape technology perspective. 3 1.1 Tape products and technologies . 4 1.1.1 Helical versus longitudinal. 4 1.1.2 Tape reels (1/2-inch). 5 1.1.3 Quarter-inch tape . 5 1.1.4 Digital Data Standard (4 mm) . 7 1.1.5 The 8 mm format. 8 1.1.6 Digital Linear Tape (DLT) . 10 1.1.7 SuperDLT (SDLT) . 13 1.1.8 IBM 3480. 13 1.1.9 IBM 3490. 14 1.1.10 IBM 3590. 14 1.1.11 IBM 3592. 17 1.2 Technology . 18 1.2.1 STK 9840 . 18 1.2.2 STK 9940 . 19 1.2.3 LTO Ultrium. 19 1.2.4 LTO WORM . 20 1.2.5 Libraries . 20 1.3 SAN technologies . 21 1.3.1 Tiered overview. 21 1.3.2 Tape solutions in a SAN environment. 22 Chapter 2. Overview of IBM tape technology . 27 2.1 The LTO organization . 28 2.1.1 Overview . 28 2.1.2 LTO standards . 30 2.1.3 Data compression . 39 2.1.4 Tape cartridge. 40 2.1.5 IBM LTO Ultrium common subassembly. 48 2.2 Tape Encryption overview. 56 2.2.1 Encryption methods . 59 2.2.2 TS1120 Tape Encryption . 62 © Copyright IBM Corp. 2007. All rights reserved. iii 2.2.3 TS1040 Tape Encryption . 65 2.3 IBM System Storage TS1030 Tape Drive . 66 2.4 IBM System Storage TS1040 Tape Drive . 67 2.4.1 IBM Ultrium 1, 2, 3, and 4 compatibility. 69 2.4.2 LTO performance . 71 2.4.3 Operating the Ultrium drive . 74 2.4.4 Reliability. 74 2.4.5 Cleaning the drive . 76 2.4.6 The IBM LTO Ultrium family of tape drives and libraries. 77 2.4.7 Multi-path architecture . 79 2.4.8 Next generation multi-path architecture . 81 2.5 IBM 3592 Tape Drive Model J1A . 81 2.5.1 IBM 3592 Tape Drive Model J1A technical features. 83 2.5.2 IBM 3592-J1A Tape Drive attachment types . 86 2.6 IBM System Storage TS1120 Tape Drive . 90 2.6.1 IBM System Storage TS1120 Tape Drive enhancements . 91 2.6.2 IBM System Storage TS1120 Tape Drive attachment . 93 2.6.3 Media supplies . 94 2.6.4 IBM 3592 WORM . 95 Part 2. IBM Open System Tape Libraries . 97 Chapter 3. IBM System Storage TS2230 Tape Drive . 99 3.1 TS2230 description . 100 3.2 Highlights of the Half-High Ultrium 3 Tape Drive. 100 3.2.1 Servo and track layout technology . ..