Veritas-bu

Re: [Veritas-bu] NBU 6 and archive bit

2009-03-10 22:24:23
Subject: Re: [Veritas-bu] NBU 6 and archive bit
From: "Wilkinson, Tim" <Tim.Wilkinson AT dsto.defence.gov DOT au>
To: <veritas-bu AT mailman.eng.auburn DOT edu>
Date: Wed, 11 Mar 2009 11:30:04 +1100
More info regarding this:
 
It didn't seem important at the time as the job finished with a status of 1, which has pretty much always meant that it completed with the exception of a few files due to open file issues, but in this case may mean more. The errors in the activity log indicated much (if not all) of the Server 2003 Shadow Copy Components had not backed-up, with entries like this:
 
11/03/2009 8:55:04 AM - Warning bpbrm(pid=8112) from client server1.dsto.defence.gov.au: WRN - can't open object: Shadow Copy Components:\System State\System Files\System Files (BEDS 0x80042301: 0x80042301 (2147754753)
 
Looking in more depth, it seems the Microsoft Software Shadown Copy Provider service had hung, and I found ntbackup of system State was not running. I terminated this service, did a test of ntbackup SS and it seems OK again.
 
I'm wondering if this service might have been the problem, and that in this case, a status of 1 meant the files had not been backed-up successfully as far as NBU was concerned. I'm re-running the Diff-Incremental backup and see if this makes any difference.



From: veritas-bu-bounces AT mailman.eng.auburn DOT edu [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Wilkinson, Tim
Sent: Wednesday, 11 March 2009 9:02 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] NBU 6 and archive bit

I've recently moved some data to a different volume and did a full backup after the move. I then updated the permissions of the data in the new volume and as expected, the incremental backup backed-up the data in the new volume.
However, the scheduled incremental that ran last night is still going and it seems to be backing up all the data in the new volume, almost like it had never known it had been backed-up incrementally the previous night. I would expect some of the files to have been changed since the first incremental but not the whole lot.
I'm guessing this may have something to do with archive bits and NBU thinks the files haven't already been backed-up incrementally.
 
Why would NBU not think the files have been backed-up and keep backing-up all the same files twice in a row?
 
Cheers,
 

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Tim Wilkinson
I.T. Support Officer
Science Corporate Information Systems
Defence Science & Technology Organisation
Department of Defence

Tel: (02) 93810065
Fax: (02) 93810011

Email: tim.wilkinson AT dsto.defence.gov DOT au

 

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