A scratch tape will only be requested from the devclass that's in the path ... 
It the Stgpool next inline from the disk pool. 

There's always more than one way to solve your challenges with TSM.

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of 
Andrew Carlson
Sent: Thursday, April 28, 2011 9:52 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] Stopping access to a filepool

This would work for existing volumes, but if it's uses a scratch pool, it could 
still try to create volumes.

On Thu, Apr 28, 2011 at 09:05, Prather, Wanda <wPrather AT icfi DOT com> wrote:
> Well if nothing else, this will surely do it:
>
> update vol * wherestgpool=filepoolname access=readonly
>
>
>
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf 
> Of Richard Rhodes
> Sent: Thursday, April 28, 2011 9:17 AM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: [ADSM-L] Stopping access to a filepool
>
> How do you offline/stop_access to a filepool?
>
> We have been implementing a DataDomain which is accessed as a filepool.
> Prior to the DD, most backups went to the diskpool with some very large 
> backups going straight to tape.  When we would want to take the library down, 
> we would kill any processes/sessions writing to tape and then take the tape 
> drives offline.  This prevented any new sessions from trying to access tape 
> until the library work was completed.
>
> Now were trying to figure out that the equivalent process is for the DD and 
> it's filepool.
>
> Most backups still go into the diskpool, and the very large backups go 
> straight into the DD filepool.  If we want to take the DD down for 
> some reason, we would kill any processes/sessions writing directly to the 
> filepool, but we can't think of any way to prevent new sessions from trying 
> to access the filepool.   I guess I'm looking for some way to offline the 
> filepool.
>
> Any thought/comments are most welcome!
>
> Rick
>
>
>
>
>
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--
Andy Carlson
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