ADSM-L

Re: Migration on two tape a the same time.

1998-02-09 12:32:10
Subject: Re: Migration on two tape a the same time.
From: David Cannon <cannon AT US.IBM DOT COM>
Date: Mon, 9 Feb 1998 12:32:10 -0500
>> More importantly, if files were migrated before they could be backed
>> up to the copy pool, you would then need to mount tapes in the primary
>> tape pool to back up these files to the copy pool.

> As an aside to my first response, if files are being cached, then the
> second problem Dave suggests wouldn't happen.  It will be an interesting
> test to see if the simultaneous migrate/backup stg is faster then the
> backup stg then migrate would be...

The tape-mount problem will occur even if the disk pool is cached, since
cached files are not copied during a storage pool backup.

Dave Cannon
ADSM Development