Veritas-bu

Re: [Veritas-bu] Backup starts off strong, then does not complete.

2010-04-12 16:40:50
Subject: Re: [Veritas-bu] Backup starts off strong, then does not complete.
From: Jeff Cleverley <jeff.cleverley AT avagotech DOT com>
To: VERITAS-BU AT mailman.eng.auburn DOT edu
Date: Mon, 12 Apr 2010 14:40:40 -0600
I had this type of problem on some hpux file systems a few years ago.  The problem was a user script that had gone bad and generated several million files in 1 directory.  Netbackup started walking down that directory and basically never came out.  The processes timed out because of it.  Try what Jonathan said and back up smaller pieces at a time until you identify where it is failing.

Jeff

You might try checking the file system directories.

On Mon, Apr 12, 2010 at 2:26 PM, LemonRuski <netbackup-forum AT backupcentral DOT com> wrote:

Veritas Netbackup 5.1 environment
Client = windows 2000 server
media server = unix
master server = unix

- Backup unable to complete (full or incremental)
- Starts of fine, tape gets mounted and writing starts.
- Write speed is very good at the start, as shown below (rmt/1).
- Backup progress goes from 0% -> 26% very quickly, with 273664KB (1500 files) written.

- I also noticed that when I kick start the backup, I see 6 bpbkar32.exe and bpfix.exe process threads in the Windows Task Manager. Is this normal?

                extended device statistics
   r/s    w/s   kr/s   kw/s wait actv wsvc_t asvc_t  %w  %b device
   0.0    1.0    0.0    0.5  0.0  0.0    0.0    3.5   0   0 c1t0d0
   0.0    1.0    0.0    0.5  0.0  0.0    0.0    3.5   0   0 c1t0d0s3
   0.0    1.0    0.0    0.5  0.0  0.0    0.0    7.0   0   1 c1t1d0
   0.0    1.0    0.0    0.5  0.0  0.0    0.0    7.0   0   1 c1t1d0s3
   0.0   45.0    0.0 11519.9  0.0  0.1    0.0    1.5   0   7 rmt/1


- After that, I notice that after 3 hours, the completion rate is still at 26%. No changes in the number of files written.
- The write speed then just drops to about 11 kw/s.
- Finally the backup either ends with a code 54 or a 150.

Please advice. Thank you in advance.

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Jeff Cleverley
Unix Systems Administrator
4380 Ziegler Road
Fort Collins, Colorado 80525
970-288-4611

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