Good Day Mike, 

Is the backup with the errors a full backup?

If it happens with full backups you might first look at the client os system. 
Are you using 32 or 64 bit os. I can not remember if solaris 10 still support 
32 bit.
If 32 bit you might have some addressing issues. 

Check the os logs to see if you can spot any errors. Maybe a filesystem is 
damaged.

For errors on full or incremental backups turn on netbackup client logging and 
see if you can spot the problem.

For errors on incremental backups of a server with many small files that do not 
change, you might have a client timeout issue. 

The client might be looking at the file system    to     see which file objects 
change. But the time to do this before finding a change to ship off to the 
backup server can be longer than the timeout. 
You might also have to turn on netbackup server side logging. Then check for 
timeout messages on the netbackup server logs.
If this is your problem you should be able to fix by increasing the timeout 
values. Or only doing full backups of the mail  areas.

Let us know what you find

len

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu 
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of mlogic
Sent: Monday, March 21, 2011 9:29 AM
To: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
Subject: [Veritas-bu] Performance Issue with NB7 on Solaris 10

Hi,

Sun SL500 with NB7. LTO-4

I am trying to backup our mail sever, it took forever and then after few hours 
keep getting. 

1: (11) system call failed
2: (11) system call failed 

and 

1: (13) file read failed 

and also get this

1: (11) system call failed
2: (79) unsupported image format for the requested database query
3: (11) system call failed 


Any idea?

Mike

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