Re: [Veritas-bu] poll: checkpoint restart

All of our clients are set for 30 minutes.

There is very little performance impact on the backup, I don't even think you could measure it, as the checkpoint is a log entry on the client side. It's not kept on tape as someone thought.

FWIW, for all of our jobs that we have to break up, we create an individual policy since you cannot restart individual streams. If a 'stream' fails, we restart just that policy.

Rusty Major, MCSE, BCFP, VCS ▪ Sr. Storage Engineer ▪ SunGard Availability Services ▪ 757 N. Eldridge Suite 200, Houston TX 77079 ▪ 281-584-4693
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Justin Piszcz <jpiszcz AT lucidpixels DOT com>
Sent by: <veritas-bu-bounces AT mailman.eng.auburn DOT edu>

09/29/2010 09:16 AM

To	"Martin, Jonathan" <JMARTI05 AT intersil DOT com>
cc	veritas-bu AT mailman.eng.auburn DOT edu
Subject	Re: [Veritas-bu] poll: checkpoint restart

On Wed, 29 Sep 2010, Martin, Jonathan wrote: > We break our large datasets into multiple streams and restart that way. > It's much easier for me to say to an app group "all of the backups > finished except /lun7 and I'm rerunning that now" than "The backup is > 80% complete and we're rerunning it from wherever it failed." For > backups that run 48 hours, we just feel more comfortable knowing exactly > what backups are complete and which directories can be restored from > now, rather than hoping the whole thing completes later. > > -Jonathan > -----Original Message----- Nice-- Has anyone done any benchmarks to see how much more capacity is used on tape for a restore or how much additional time is consumed vs. not using it? I think its a good thing, I am just wondering about the overhead. Justin. _______________________________________________ Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu

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