Veritas-bu

Re: [Veritas-bu] Netbackup 6.5.5 on AIX 5.3 , 64 bit - NBRB problem

2010-12-20 08:54:26
Subject: Re: [Veritas-bu] Netbackup 6.5.5 on AIX 5.3 , 64 bit - NBRB problem
From: Saran Brar <saranbrar AT live DOT com>
To: <abhishek.dhingra AT in.ibm DOT com>, <veritas-bu AT mailman.eng.auburn DOT edu>
Date: Mon, 20 Dec 2010 19:24:21 +0530
We also faced same issue and below is the Symantec recommendation which resolved it


There are two things I would recommend to minimize these kinds of things happening in the future. Both will require a restart of NetBackup on the master so most likely you will need a maintenance window.

 

The first thing is to tune the resource broker (nbrb) so it releases resources faster. Below is the technote on how to do this:

 

The second things is to clear out all the stale CORBA handles. Some of them go all the way back to 2009:

-rw-rw-rw-   1 root     root         455 Sep  8  2009 nbproxy_nbsl-DeviceManagement-101.ior.mgr
-rw-rw-rw-   1 root     root         455 Sep 16  2009 nbproxy_nbsl-DeviceManagement-104.ior.mgr

Below is the technote on how to do this:

 

It is not directly related but is always a good practice to clear these out. They can cause the system to run out of sockets. Let me know if you need anything else. If not I would like to close the case.



Regards,

Saranjit Singh Brar



To: veritas-bu AT mailman.eng.auburn DOT edu
From: abhishek.dhingra AT in.ibm DOT com
Date: Mon, 20 Dec 2010 15:51:39 +0530
Subject: [Veritas-bu] Netbackup 6.5.5 on AIX 5.3 , 64 bit - NBRB problem


Hi All

    My netbackup infrastructure is running AIX 5.3 , 64 bit OS and verion of netbackup is 6.5.5

It was previously on 6.5.4 , but after symantec recommendation, i updraded it to 6.5.5.Infrastructure is resposible of taking 35-40 TB daily backup with around more then 150 SAN media servers.

Problem description :- NBRB doesnot release resources more often , when the backup completes. I found the resources still allocated to the job id that has already completed 2 days back. if i manually release the resources , new allocation comes and  that too for the garbage job or for the old job.

Has any one faced this problem earlier. Pls help

Rgds
A D
Email : abhishek.dhingra AT in.ibm DOT com

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