Administrator's Guide


Automated SCSI Library at the Original and Recovery Sites

If the hardware environment is different at the recovery site, ensure that you have updated the device configuration file. TSM uses the device configuration file to access the devices that are needed to read the database backup volumes. The RECOVERY.VOLUMES.REQUIRED stanza in the plan file identifies the volumes that are needed to restore the database.

If a manual library will be used at the recovery site, database restore processing requests that the database backup volumes be mounted as needed. If an automated tape library is used at the recovery site, volume location information in comments (/* ...... */) in the device configuration file must be modified. First, manually place the physical database backup volumes in the automated library and note the element numbers where you place them. Then manually edit the device configuration file to identify the locations of the database backup volumes so that TSM can find them to restore the database.

Note:For an automated library, you may need to use the AUDIT LIBRARY command after the database is restored in order to update the server inventory of the library volumes.

The following is an example of the original device configuration file that describes the automated tape library.

 /*  Device Configuration */
 
define devclass auto8mm_class devtype=8mm format=drive
  mountlimit=2 mountwait=60 mountretention=60 prefix=tsm
  library=auto8mmlib
 
define library auto8mmlib libtype=scsi device=/dev/rmt/4lb
 
define drive auto8mmlib 8mm_tape0 device=/dev/rmt/1mt
  element=82 online=yes
 
define drive auto8mmlib 8mm_tape1 device=/dev/rmt/1mt
  element=83 online=yes
 
/* LIBRARYINVENTORY SCSI AUTO8MMLIB KEV004 1 101*/
/* LIBRARYINVENTORY SCSI AUTO8MMLIB KEV005 3 101*/

The following shows the changes to the original device configuration file when an automated library is used at the recovery site to read a database volume:

/*  Device Configuration */
 
define devclass auto8mm_class devtype=8mm format=drive
  mountlimit=2 mountwait=60 mountretention=60 prefix=tsm
  library=auto8mmlib
 
define library auto8mmlib libtype=scsi device=/dev/rmt/4lb
 
define drive auto8mmlib 8mm_tape0 device=/dev/rmt/1mt
  element=82 online=yes
 
define drive auto8mmlib 8mm_tape1 device=/dev/rmt/1mt
  element=83 online=yes
 
/* LIBRARYINVENTORY SCSI AUTO8MMLIB DBBK01 1 101*/

In this example, database backup volume DBBK01 was placed in element 1 of the automated library. Next the location of the volume is identified in comments (/* ...... */) in the device configuration file so that Tivoli Storage Manager can find it to restore the database restore. Comments that no longer apply at the recovery site are removed.


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