It could also be your frequency is wrong.

What is the length of your window and what do you have frequency set to?

It should be longer then the window but shorted then you want it to
occur.

If your window is 10 hours and you want a backup to occur every day then
your frequency should be between 11 and 20 hours,  I would go for 15.

-----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
william.d.brown AT gsk DOT com
Sent: Wednesday, June 03, 2009 6:07 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] I need help please

You said:

<<
  I have four policy running every day from 5 PM to next day 7 AM .some 
servers done the backup sucessful and the other not completed ,on the
next 
day the the server which was not copmleted yesterday completed on this
day 
etc..>>

OK, that sounds like your jobs are just overrunning, and the backup
window 
is closing before at least one job can get resources to run.  The next 
day, under NetBackup's rules for assessing which job to run, that job
will 
get started first because it has the longest "time since last run".

You also said:

<<aslo I found one drive down ,>>

That is likely enough to make the backups overrun, as all the backups
are 
trying to use the one drive.  If you 'UP' the drive and it stays up well

and good, your problem may be solved.

As you said that you reinstalled the OS as Windows Server 2003, it is 
possible that you have lost some important setting.

Check first of all that you have the SIZE_DATA_BUFFERS and 
NUMBER_DATA_BUFFERS set as they were before.  If the server is backing
up 
other clients, make sure NET_BUFFER_SZ is set.

Depending on your type of tape drive, there may have been configuration 
settings on the old server that affected performance.  These would tend
to 
be in the driver configuration, which for fibre-channel attached drives 
depends on the HBA vendor.  You may also need to look at the setting of 
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\{something}
\Parameters\Device - where {something} is specific to your SCSI
interface 
type.  Newer drivers I think don't have the limitations of the sglist.
I 
think this is less likely as if it was to low none of your backups would

work at all.

William D L Brown



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