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Storage Solutions IBM i Version 7.2 Storage solutions IBM Note Before using this information and the product it supports, read the information in “Notices” on page 179. This document may contain references to Licensed Internal Code. Licensed Internal Code is Machine Code and is licensed to you under the terms of the IBM License Agreement for Machine Code. © Copyright International Business Machines Corporation 2002, 2013. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Storage solutions...................................................................................................1 What's new for IBM i 7.2..............................................................................................................................1 PDF file for Storage solutions...................................................................................................................... 2 How storage is viewed................................................................................................................................. 2 Disk...............................................................................................................................................................3 Tape..............................................................................................................................................................5 Types of tape solutions.......................................................................................................................... 6 Automatic cartridge loaders............................................................................................................. 6 Tape libraries.................................................................................................................................... 7 Tape library types and major components................................................................................. 7 Tape library operating modes..................................................................................................... 7 Common configuration types for tape libraries..........................................................................8 Cartridge concepts for tape libraries.......................................................................................... 9 Comparing offline storage....................................................................................................................11 Planning for a tape solution................................................................................................................. 12 Tape resource management with BRMS........................................................................................12 Comparing tape solutions...............................................................................................................13 DAT cartridge and tape unit compatibility..................................................................................... 19 Eight-millimeter cartridge and tape unit compatibility................................................................. 20 Quarter-inch cartridge and tape unit compatibility....................................................................... 22 Half-inch and Magstar MP cartridges and tape unit compatibility................................................23 LTO cartridges and tape unit compatibility....................................................................................25 Multiple IBM i products sharing a tape library...............................................................................27 Multiple tape libraries to a partition...............................................................................................28 Multiple tape drives in a Tape Library ........................................................................................... 28 Configuring of different platforms with the 3494 Enterprise Tape Library...................................30 Installing stand-alone tape devices.................................................................................................... 30 Sharing tape drives between partitions......................................................................................... 30 Configuring the SCSI address for half-inch and Magstar MP tape units....................................... 31 Installing tape libraries........................................................................................................................ 31 Configuring tape libraries.....................................................................................................................31 Adding a tape library to a LAN........................................................................................................ 33 Creating a data link......................................................................................................................... 33 Sharing tape library resources....................................................................................................... 35 Using tape devices.................................................................................................................... 37 Tape Multipath..................................................................................................................................... 50 Managing tape multipath................................................................................................................52 Recover from tape multipath errors...............................................................................................54 Maintaining tape resources..................................................................................................................54 Storage and handling of tape cartridges........................................................................................ 54 Tape environment..................................................................................................................... 55 Tape handling and storage........................................................................................................55 Protecting data on tape cartridges........................................................................................... 55 Ensuring tapes are in good condition....................................................................................... 57 Cleaning your tape drives............................................................................................................... 58 Cleaning quarter-inch tape drives............................................................................................ 58 Cleaning DAT tape drives.......................................................................................................... 59 Cleaning eight-millimeter tape drives...................................................................................... 59 Cleaning half-inch tape drives.................................................................................................. 60 Cleaning LTO Ultrium tape drives............................................................................................. 61 Licensed Internal Code updates.................................................................................................... 61 iii Running retention operations for tape cartridges..........................................................................61 Example: Managing tape resources............................................................................................... 62 Tape encryption....................................................................................................................................72 Software tape encryption............................................................................................................... 72 Hardware tape encryption..............................................................................................................72 Decrypting your data.......................................................................................................................72 Troubleshooting tape resources..........................................................................................................73 Verifying that your tape unit works correctly.................................................................................73 Collecting library information for problem analysis...................................................................... 73 Problem handling for tape libraries................................................................................................73 Removable Mass Storage (RMS)............................................................................................................... 74 Optical storage...........................................................................................................................................75 Supported hardware for optical storage..............................................................................................77 Optical devices..................................................................................................................................... 78 Optical media types........................................................................................................................ 80 Directly attached optical media libraries..................................................................................80
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