IBM Tivoli Storage Manager, Version 7.1

Migrating data from tape to DISK or FILE devices

After the server migration, you can move the data from a tape device to a DISK or FILE device. In this way, you might be able to provide faster access to the data.

Procedure

  1. If you are moving data to a FILE device, define a FILE device class by using the Tivoli® Storage Manager administrative command DEFINE DEVCLASS. For example, to define a device class named FILECLASS with a FILE device type and a maximum capacity of 50 MB, issue the following command:
    define devclass fileclass devtype=file maxcapacity=50m
  2. Define a storage pool by using the Tivoli Storage Manager administrative command DEFINE STGPOOL.
    • For example, if you are moving data to a DISK device, to define a primary storage pool named BACKUPPOOL, issue the following command:
      define stgpool backuppool disk cache=yes nextstgpool=prog2
      In this example, caching is enabled and PROG2 is specified as the primary storage pool to which files are migrated.
    • For example, if you are moving data to a FILE device, to define a primary storage pool named FILEPOOL, issue the following command:
      define stgpool filepool fileclass nextstgpool=prog3
      In this example, PROG3 is specified as the primary storage pool to which files are migrated.
  3. Define a volume by using the administrative command DEFINE VOLUME. For example, to define a volume of 4 MB named /home/tsminst1/jamesvol.dsm in a storage pool named BACKUPPOOL, issue the following command:
    define volume backuppool /home/tsminst1/jamesvol.dsm formatsize=4
  4. To migrate data from tape to a DISK device, use the Tivoli Storage Manager administrative commands MOVE DATA or MOVE NODEDATA, depending on where the data is stored and how you want to move it. For example, to move files from a storage pool volume named STGVOL.1 to storage pool BACKUPPOOL, issue the following command:
    move data stgvol.1 stgpool=backuppool
  5. To migrate data from tape to a FILE device, use the Tivoli Storage Manager administrative commands UPDATE STGPOOL and MIGRATE STGPOOL. For example, to migrate data from the storage pool named LTOPOOL to the FILEPOOL storage pool, issue the following commands:
    update stgpool ltopool nextstgpool=filepool highmig=100
    migrate stgpool ltopool lowmig=0


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