I wonder if the type of failure determines this.  If the tape is frozen
because NB suspects it to be bad one probably doesn't want it to just
continue from that point.  If the tape was truly bad then you'd end up
with only a fraction of a backup.

-----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, February 22, 2006 9:01 AM
To: Veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Netbackup 5.1 and checkpoints

I haven't seen it work properly yet.

I've got windows 2k3 boxes with 1/2 TB or so, that can get to 97%
complete, die with a 156, then start over from scratch.
:o/
Checkpoints set for every 15 minutes.

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 
> WEAVER, Simon
> Sent: February 22, 2006 2:25 AM
> To: 'Lien, Mitch'; veritas-bu AT mailman.eng.auburn DOT edu
> Subject: RE: [Veritas-bu] Netbackup 5.1 and checkpoints
> 
> 
> 
> Mitch
> IF it fails, the idea behind the checkpoint flag (or marker) is that
> Netbackup will look at the images and verify the last 
> checkpoint it made.
> 
> If it is present, Netbackup will start the backup from that point.
> 
> Example - Backup kicks off at 8pm with checkpoint enabled 
> every 30 mins
> 8:30pm - Checkpoint made
> 8:57pm - Backup fails
> 8:59pm - Backup restarts, looks for checkpoint - see's one 
> flag for 8:30,
> backup kicks off from that point!
> 
> That's how I understand it :-) 
> 
> Simon Weaver 
> Technical Support 
> Windows Domain Administrator 
> 
> EADS Astrium 
> Tel: 02392-708598 
> 
> Email: Simon.Weaver AT Astrium.eads DOT net 
> 
> 
> 
> -----Original Message-----
> From: Lien, Mitch [mailto:mitch.lien AT medtronic DOT com] 
> Sent: 21 February 2006 22:07
> To: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: [Veritas-bu] Netbackup 5.1 and checkpoints
> 
> 
> We are using Netbackup 5.1 MP4 and have enabled checkpoints 
> for our Standard
> (Unix) and Windows-based backups. The checkpoints are 
> occurring every 30
> minutes
> 
> I need to know if a backup job fails during the 1st attempt 
> (example: status
> 84) will the 2nd attempt (retry) continue from the 1st attempt last
> checkpoint or start all over?
> 
> Thanks for the help.
> 
> Mitch
> 
> 
> 
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