Precautions reqd for System-Volume Backup 
Author Message
 Precautions reqd for System-Volume Backup

May I get any suggestion(s) from you on what precautions to take before
taking
full volume backup of system datasets? We have P390 system and the sys vol
is scpmv5. For backup, we use adrdssu.
I have seen postings that restore of system datasets sometimes failed, even
though the backup was taken successfully.

Thank you.



Mon, 03 Sep 2001 03:00:00 GMT  
 Precautions reqd for System-Volume Backup
Depends which system datasets.

Most "system" datasets are not updated during normal system operation,
so they can be backed up and restores cleanly.  But any datasret, system
or not, which is being updated during the backup is going to be suspect,
depending on the type of dataset and the nature of the update.  things
like page and spool datasets may not be restored correctly, but they
will probably not cause the system to fail, just get recoverable errors.

But the best technique is to backup system volumes on a quiet system,
nothing else going on besides the backup.

Quote:

> May I get any suggestion(s) from you on what precautions to take before
> taking
> full volume backup of system datasets? We have P390 system and the sys vol
> is scpmv5. For backup, we use adrdssu.
> I have seen postings that restore of system datasets sometimes failed, even
> though the backup was taken successfully.

> Thank you.



Sat, 08 Sep 2001 03:00:00 GMT  
 
 [ 2 post ] 

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