Re: Monthly Backups, ...again!
2002-04-04 11:05:53
This keeps coming up. It's the hardest thing about TSM, to sell users on
the way it works.
Tivoli's Storage Vision whitepaper has a comparison of the benefits you get
by NOT using this Grandfather-father-son technique, but I wish somebody at
Tivoli would come up with some better assistance to help us sell the
incremental-forever -ooops, progressive backup methodolgy - to non-techie
users. (Maybe it's there and I just don't know where to find it...?)
I think Kelly Lipp has a good article on archiving and when it's sensible -
maybe he'll post that link here again.
Also, maybe some users have specific oddball scenarios they have run into
that require surprising policy settings. It would be interesting to hear
about those. Like, the user who goes on vacation for two weeks, and manages
to trash here email file the day she leaves, doesn't notice it, Lotus
touches the damaged file every day so it gets backed up again, and they
don't keep 14 versions, so she gets back and the only good version (15 days
old) has rolled off (expired).
---------------------------------
Mr. Lindsay Morris
Mr. Lindsay Morris
CEO, Servergraph
www.servergraph.com
859-253-8000 ofc
425-988-8478 fax
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
> Marc Levitan
> Sent: Thursday, April 04, 2002 8:51 AM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Monthly Backups, ...again!
>
>
> A question was brought up while discussing retention policies.
>
> Currently we have the following retentions:
>
> Policy Policy Mgmt Copy Versions Versions Retain Retain
> Domain Set Name Class Group Data Data Extra Only
> Name Name Name Exists Deleted Versions Version
> --------- --------- --------- --------- -------- -------- -------- -------
> COLD ACTIVE COLD STANDARD 2 1 5 30
>
> NOVELL ACTIVE DIRMC STANDARD 30 1 120 365
> NOVELL ACTIVE STANDARD STANDARD 30 1 120 365
>
> RECON ACTIVE DIRMC STANDARD 36 3 75 385
> RECON ACTIVE MC_RECON STANDARD 26 1 60 365
>
> STANDARD ACTIVE DIRMC STANDARD 26 1 60 365
> STANDARD ACTIVE STANDARD STANDARD 26 1 60 365
>
>
> UNIX ACTIVE MC_UNIX STANDARD 30 1 60 30
>
>
> I believe that this provides for daily backups for over a month.
>
> There was a request to have the following:
> 1) Daily backups for a week.
> 2) Weekly backups for a month.
> 3) Monthly backups for a year.
>
> I believe we are providing 1 & 2. We are providing daily backups for a
> month.
>
> How can I provide monthly backups for a year?
> I know that I could take monthly archives, but this would exceed
> our backup
> windows and would increase our resources ( db, tapes, etc.)
> Also, I know we could lengthen our retention policies.
> Also we could create backup sets. (tons of tapes!)
>
> How are other people handling this?
>
> Thanks,
>
>
> Marc Levitan
> Storage Manager
> PFPC Global Fund Services
>
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