ADSM-L

Cached Data and Backup Stg Pool

1997-08-22 20:33:07
Subject: Cached Data and Backup Stg Pool
From: Dave Cannon <dcannon AT VNET.IBM DOT COM>
Date: Fri, 22 Aug 1997 17:33:07 PDT
>Yes, this is expected, since you told ADSM to backup the tape pool, and not
>the DASD pool.  What I do is to issue a backup command of the DASD pool, and
>then follow it with a backup of the tape pool.  This gets the cached copies
>of the files if they still exist on DASD, and then gets the files that have
>been migrated and no longer have a cached copy.  Of course I hope to have all
>of this done BEFORE migration, but every so often I have a big user who dumps
>more than my pool can contain, and I get a migration prior to the backup.
>This insures that all data is backed up, and it comes from the best available
>source.

If you back up a disk pool, any cached copies of files in that pool will
not be backed up (see the Admin Reference for the BACKUP STGPOOL command).
If you want the files to be backed from disk, make sure the backup is
performed before the files are migrated.

Dave Cannon
ADSM Development
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