[Veritas-bu] Checkpoint on backups.
2006-12-11 09:54:46
Subject: |
[Veritas-bu] Checkpoint on backups. |
From: |
david.clooney at bankofamerica.com (Clooney, David) |
Date: |
Mon, 11 Dec 2006 14:54:46 -0000 |
Thanks for the input Paul.
Maybe I should specify the problem I have, a whole bunch on windows servers I
have recently added fail with 156's, however I have double checked that VSP_Use
= NO so am at my wits end as to why they would be failing with anything related
to snapshot's.
if anyone has come across this or could point me in the right direction it
would be much appreciated, the only difference with these policies is that we
have started to use checkpoint as a few of them are in the TB arena.
Regards
Dave Clooney
________________________________
From: Paul Keating [mailto:pkeating at bank-banque-canada.ca]
Sent: 11 December 2006 14:36
To: Clooney, David; Veritas-bu at mailman.eng.auburn.edu
Subject: RE: [Veritas-bu] Checkpoint on backups.
>From what I understand, when you hit a checkpoint, the current fragment is
>completed, then a marker "checkpoint" is written, then another fragment begins.
In other words, I don't believe checkpoints will work unless you have a
fragment size specified. Even then, if your fragment size is large compared to
the amount of data on the client you're backing up, then it may not be
worthwhile.
I don't know a whole lot of detail about them, other than that.
Paul
--
-----Original Message-----
From: veritas-bu-bounces at mailman.eng.auburn.edu
[mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of Clooney,
David
Sent: December 11, 2006 6:59 AM
To: Veritas-bu at mailman.eng.auburn.edu
Subject: [Veritas-bu] Checkpoint on backups.
Hi,
Can anyone give a brief explanation of exactly what goes on when
checkpoint's are implemented on normal backup schedules. Understand what they
do but need to know what is going on in the background.
Cheers
Dave
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