ADSM-L

Re: Migration on two tape a the same time.

2015-10-04 18:01:07
Subject: Re: Migration on two tape a the same time.
From: David Cannon [SMTP:cannon AT US.IBM DOT COM]
To: ADSM-L AT VM.MARIST DOT EDU
>> 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
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