ADSM-L

Re: Delete volume - input requested

1999-01-19 12:37:20
Subject: Re: Delete volume - input requested
From: "Prather, Wanda" <PrathW1 AT CENTRAL.SSD.JHUAPL DOT EDU>
Date: Tue, 19 Jan 1999 12:37:20 -0500
NO problem for me, but then I don't use DEFINE volume.
All our volumes come from the scratch pool, and we expect them to go back to
the scratch pool when deleted.

> -----Original Message-----
> From: bbullock [SMTP:bbullock AT MICRON DOT COM]
> Sent: Tuesday, January 19, 1999 10:50 AM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      Re: Delete volume - input requested
>
>         Our scripts rely on the fact that volumes taken automatically from
> the scratch pool and put into storage pool will be returned to the scratch
> pool when they become empty. It sounds like this would remain the same
> with
> your change and that your change will only effect those volumes that are
> manually put into a storage pool.
>         If I understand it correctly, I don't believe that the change
> would
> effect our ADSM scripts.
>
> Ben
>
> -----Original Message-----
> From: David E. Bohm [mailto:bohm AT US.IBM DOT COM]
> Sent: Monday, January 18, 1999 5:40 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Delete volume - input requested
>
>
> I am looking for some input to see if a proposed change would break anyone
> out there.  S/390 (MVS,VM,VSE users) can ignore this since ADSM does not
> have libraries on these platforms, therefore there will be no change in
> their behavior.
>
> It has been brought to our attention that DELETE VOLUME and RESTORE VOLUME
> will return a volume to scratch status even if it was a private volume to
> the storage pool.  I have dug through the code and it is only these two
> cases that seem to have the problem.  Before I make a change to fix this I
> want to know if anyone depends on the DELETE VOLUME and RESTORE VOLUME
> commands to move a volume to scratch status even if it was defined to the
> storage pool by the use of the DEFINE VOLUME command rather than being
> introduced to the storage pool through a scratch mount request.
>
> An example of the effect of the change is consider a D/T3494 library.  If
> a
> volume gets checked into the library and then defined to a storage pool, a
> DELETE VOLUME command will put that volume in the scratch category now.
> With this change that command would leave the volume in the private
> category but still remove the volume from any association with the storage
> pool.
>
> Any input would be useful.  I would hate to make this change and then find
> out it breaks someone that depends on it working this way.
>
> David Bohm
> ADSM server development
> (520) 799-5082 T/L 321-5082
> email - bohm AT us.ibm DOT com
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