This will not produce the desired outcome from the request.  We have
used this option when it is appropriate, but all this produces is a TSM
server archive of the client, in other words, all you end up with is
what the client looked like at the last backup (a backupset only copies
over the active files).  If the request would have been - "I want to
have all data retained for how my servers looked last night", this
process would work.  We have found however that a backupset - for some
unknown reason - takes much longer than just running an archive from the
client.

Ryan Miller
 
Principal Financial Group
 
Tivoli Certified Consultant
Tivoli Storage Manager v4.1
 

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Allen S. Rout
Sent: Friday, July 15, 2005 1:11 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: Retention Request Problem

==> On Fri, 15 Jul 2005 09:06:42 PDT, Sam Sheppard
<SHS AT SDDPC.SANNET DOT GOV> said:

> Our main customer is having some potential legal problems and has made

> the following request:

> "I am requesting that all File Server Backups taken prior to June 15, 
> 2005 be preserved pending further instructions."


Well, when you get extreme requests...

I've thought about just such a request, and I came up with:

- Disable client access on the TSM server in question
- Disable expiration scheduling on the TSM server in question
- Start generating N backupsets at a time, where N is your count of
beefy tape
  drives, divided by 2. :)   You are collocated, right?

Huge disruption of ongoing backup work, yes.  But it's a hugely
disruptive request.  Then send complainers to the legal folks.

Luckily, while 4-5 TB of data is still rather a lot, with current tech
it ought to be doable in one or two 24-hour days.

Unless you're non-collocated.  Shudder.


- Allen S. Rout


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