Longest I have had to go back is 1 month!
Of course there is the risk that you "may" have to go back further I guess
:-)

Regards

Simon Weaver
3rd Line Technical Support
Windows Domain Administrator 

EADS Astrium Limited, B32AA IM (DCS)
Anchorage Road, Portsmouth, PO3 5PU

Email: Simon.Weaver AT Astrium-eads DOT net



-----Original Message-----
From: Greenberg, Katherine A [mailto:GreenbergKA AT aetna DOT com] 
Sent: 17 May 2006 14:48
To: Paul Keating
Cc: List Veritas List
Subject: RE: [Veritas-bu] Retention Period Question


Have you honestly have to recover data (really... except for long-term
retention stuff for legal or whatever) that is older than 2 weeks?

I haven't.

Am I just lucky?

~Kate



-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of Paul 
Keating
Sent: Wednesday, May 17, 2006 9:05 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Retention Period Question


That ain't gonna work.

You FULL retention must be at least the retention of the daily, plus the
time between FULLs.

In other words, if you're guaranteeing daily aggregation restores for 60
days, and you have a weekly FULL, you need to keep for FULLs for a minmum of
67 days.

Otherwise when you FULL expires after 61 days, you just lost the ability to
restore from the subsequent incrementals untill the next FULL.....so
assuming Weekly (every 7 days) FULLs with 60 day retention.... after 61
days, you can only restore back to 61-7 =54 days.

If you're gaurateeing dailies for 60 days and you only do monthly FULLs, you
need to keep your FULL for 90 days.....and "just in case" that oldest FULL
goes bad, it's nice to have an extra......so weekly fulls keep for minimum 2
weeks longer than incrementals....or if you only do monthly fulls, keep them
for 2 months longer than the incrementals.

Paul



-- 


> -----Original Message-----
> From: veritas-bu-admin AT mailman.eng.auburn DOT edu
> [mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of
> Justin Piszcz
> Sent: May 16, 2006 9:40 AM
> To: DLew97
> Cc: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: Re: [Veritas-bu] Retention Period Question
> 
> 
> Most people run a full backup weekly and then incrementals in between
> and then set your FULL retention to 60 days.  Consider what happens if

> 1 full went bad? You would be out many weeks of data!
> 
> Also, that is a bad way of doing things, 1 full every 4 weeks and X
> number of incrementals? You'll spend a VERY long time restoring the 
> incrementals after you restore the full backup.

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