For a Library to do its own audit, then yes you want to take the drives 
offline.  However, you will need one drive online and empty when you want TSM 
to synchronize its Library audit with the physical library audit.

Ray C

On Sep 26, 2010, at 10:23 AM, Huebner,Andy,FORT WORTH,IT wrote:

> We take the drives off-line during maintenance.  We have restarted real and 
> imagined libraries with no ill effects to TSM by simply taking the drives 
> off-line.  Off-line drives should not affect an audit.
> 
> Andy Huebner
> 
> 
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf 
> Of Skylar Thompson
> Sent: Saturday, September 25, 2010 6:42 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: [ADSM-L] Disabling automatic mount processes
> 
> Does disabling the library prevent library audits as well? Basically I'm
> trying to keep stuff from getting mounted and interfering with the audit.
> 
> On 09/25/2010 02:34 PM, Richard Sims wrote:
>> On Sep 25, 2010, at 5:06 PM, Skylar Thompson wrote:
>> 
>>> Does anyone know of a way to temporarily keep TSM from starting
>>> automated processes that involve library mounts? I'd like to be able to
>>> keep migrations/reclamations/database backups/whatever from occurring
>>> when trying to diagnose tape library problems.
>> 
>> Depending upon the library, taking it offline will certainly prevent TSM 
>> access.  Within TSM you can adjust thresholds and change Type Admin 
>> schedules to Active=No for the duration, but there will be urgent needs such 
>> as DBBackuptrigger which require some kind of attention.
>> 
>>   Richard Sims
> 
> --
> -- Skylar Thompson (skylar2 AT u.washington DOT edu)
> -- Genome Sciences Department, System Administrator
> -- Foege Building S048, (206)-685-7354
> -- University of Washington School of Medicine
> 
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