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The volumes are checked in as scratch, because they are empty. This is
demonstrated in Example 13-41. We do not specify to label them because these
tapes have returned from previous use, and therefore we can use their existing
labels.
Example 13-41 Checkin libvolume for searching and defining scratch tapes
tsm: ATLANTIC>
ANR2017I Administrator TSMADMIN1 issued command: CHECKIN libvolume 3582SHARED
search=yes status=scratch
ANR0984I Process 10 for CHECKIN LIBVOLUME started in the BACKGROUND at
17:00:36.
ANR8422I CHECKIN LIBVOLUME: Operation for library 3582SHARED started as process
10.
ANR8430I Volume 040AKK has been checked into library 3582SHARED.
ANR8430I Volume 041AKK has been checked into library 3582SHARED.
ANR8431I CHECKIN LIBVOLUME process completed for library 3582SHARED; 2
volume(s) found.
ANR0985I Process 10 for CHECKIN LIBVOLUME running in the BACKGROUND completed
with completion state SUCCESS at 17:05:29.
Allowing swapping of volumes when the library is full
If no empty slots are available in the library when you are checking in volumes,
the check-in fails unless you allow swapping. If swapping is allowed and the
library is full, Tivoli Storage Manager selects a volume to eject before checking in
the volume you requested. Tivoli Storage Manager ejects the volume that it
selects for the swap operation from the library and replaces the ejected volume
with the volume that is being checked in. Use the SWAP=YES option with the
checkin libvolume command to allow swapping, for example:
checkin libvolume 3582SHARED 045AKK swap=yes
Tivoli Storage Manager selects the volume to eject by checking first for any
available scratch volume, then for the least frequently mounted volume.
Tip: For further details about the checkin command and swap option, type:
help checkin libvolume
13.7.7 Reclaiming off-site tapes
Off-site storage pool volumes expire their data in the same way as on-site
volumes. The expiration process run by the Tivoli Storage Manager updates the
expired file version for both on-site and off-site volumes. You do not need to
mount the off-site volume for this. It is done entirely as a server database update
operation.
checkin libvolume 3582SHARED search=yes status=scratch
Chapter 13. Routine tasks
441
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