hi Rajesh,
WHat do you mean by not vault daily ? We send DR tapes once a week.

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
Rajesh Oak
Sent: Wednesday, April 05, 2006 2:20 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] TSM DB backup question


Ashok,
For our remote sites where we have a small library and do not vault everyday, 
we backup the database to disk. You have to be a little careful here because 
with your 161 DB database you would need a lot of diskspace to keep the db 
backup for a number of days.
The device class has to be file and you have to make the size big enough when 
you define it.

Let me know if you have any issues.

Rajesh

> ----- Original Message -----
> From: "Remeta, Mark" <MRemeta AT SELIGMANDATA DOT COM>
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: TSM DB backup question
> Date:         Wed, 5 Apr 2006 14:05:28 -0400
> 
> 
> The other factor to consider is that you should have the delay period for
> volume reuse on your tape storage pools set equal to the length of time you
> keep your database backups. Depending on how often you perform reclamation
> of those pools, these could add up too!
> 
> Mark
> 
> 
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
> Prather, Wanda
> Sent: Wednesday, April 05, 2006 1:53 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: TSM DB backup question
> 
> 
> The factor to decide:
> 
> If you somehow had a TSM data base crash, or corruption in the TSM data
> base, how far would you be willing to restore your data base backwards
> in time?
> 
> If you think you would never use that 30 day old TSM DB backup, you
> don't need to keep it.
> I think a DB retention of 5-10 days is more common.
> 
> And no, you can't put the TSM DB backups in a storage pool.
> 
> 
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf 
> Of
> Vats.Ashok
> Sent: Wednesday, April 05, 2006 1:39 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: TSM DB backup question
> 
> 
> Hi List,
> We have tsm 5.3.00 on AIX. We run TSM database backup which runs once /
> every day  consumes media from scratch pool. We keep these backups for
> at least 30 days. consuming almost 30 *200 GB tape media. Our data base
> is about 161 GB so my question is can we reduce the retention time of
> TSM db backup to 7 days. I am not sure what are the factors which
> decides how long we need to keep these volumes around. Also Does anybody
> have a storage pool defined for TSM DB backups. is it possible to do
> that ?
> 
> Thanks,
> Ashok
> 
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