If catalogs are not used for a restore job, CA VM:Backup might reformat a minidisk more than once. This will occur, for example, if the blocksize of the minidisk changed since a full backup was taken. CA VM:Backup reformats the minidisk each time the blocksize changes. When the restore job is complete, the minidisk looks as it did when the last backup was taken.
If catalogs are used for a restore job, CA VM:Backup formats a minidisk only once. For a specific file space, CA VM:Backup uses the most recent information available to enroll the file space.
If CA VM:Backup must enroll a file space, the file space might not look the same as it did when the last incremental backup was taken. This will occur, for example, if the threshold value changed between incremental backups. The threshold value is the minimum percent full value for a file space at which a user receives a warning message. A change in the threshold value does not force a full backup of the file space. Therefore, the file space contents, the directory structure, authorizations, permissions, ownerships, and files appear as they did at the time of the last backup, but the threshold value appears as it did when the full backup was taken.
If you are restoring files to a user's virtual reader, CA VM:Backup may restore multiple versions of the files if the job restarts after being interrupted during processing.
VOLSEARCH restore jobs cannot specify a virtual reader as the restore target.
When restoring data to an alternate DASD volume, CA VM:Backup uses the CP ATTACH command to attach the real device to itself instead of linking to the alternate volume. Therefore, do not attach this target volume to the system or any user ID when you begin the restore. For more information, see Restoring to an Alternate DASD Volume.
TPI domain restores are designed to restore domains, not individual files. Once the job finds the requested domain, it stops searching. If you specify individual files in an exception file and those files are not present in the domain that the job found, CA VM:Backup does not extend the search to look for those files, and the files are not restored. To submit restore jobs that search for specific files, use the end user restore screens, or the line-mode RESTORE or XRESTORE commands.
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