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What are all Services VBDA and BMA services on HP UX

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Mazumdar
Occasional Visitor

What are all Services VBDA and BMA services on HP UX

HI,
I am seeing lots of CPU is occupyied BMA and VBDA services . Can i know what are all these services.
7 REPLIES
Arunvijai_4
Honored Contributor

Re: What are all Services VBDA and BMA services on HP UX

HI,

Can you post the output of,
UNIX95= ps -ef -o pcpu,pid,ppid,ruser,args | sort -nk1

-Arun
"A ship in the harbor is safe, but that is not what ships are built for"
Mazumdar
Occasional Visitor

Re: What are all Services VBDA and BMA services on HP UX

Here the output in attachment
Pete Randall
Outstanding Contributor

Re: What are all Services VBDA and BMA services on HP UX

Those are both OmniBack (or DataProtector nowdays) processes:

# ll /opt/omni/lbin/bma /opt/omni/lbin/vbda
-r-x------ 1 root sys 1728512 May 7 2003 /opt/omni/lbin/bma
-r-xr-xr-x 1 root sys 462848 May 7 2003 /opt/omni/lbin/vbda

Either you're running some sort of backup process or OB is doing DB maintenance. They should go away eventually.


Pete

Pete
Mazumdar
Occasional Visitor

Re: What are all Services VBDA and BMA services on HP UX

is there any known method by which we can reduce the CPU utilization of these services to minimal .
Indira Aramandla
Honored Contributor
Solution

Re: What are all Services VBDA and BMA services on HP UX

Hi Mazumdar,

As Pete mentioned, BMA and VBDA are Data protector process. They are initiated for Media agent and Disk agent process, when a backup starts. Once the media agent had completed i.e when the media (tape) of the particular pool defined in the backup specification is found and loaded into the drive, the BMA process ends. Then the VBDA process initiates the Disk agent and when the backup is completed, this process end.

If you have this process still on and there is no backup happening, then may be Data protector / Omniback was shut down and these process are still hanging.

These are the only process of Dataprotector/Omniback runing (crs, rds and mmd) when the are no backups happening. You can check these with ps -ef | grep omni or using the below status command.

If there are no backups occurring, then you can shutdown the Dataprotector/Omniback process, using the following.

To stop enter as root
/opt/omni/sbin/omnisv.sh -stop

To start enter as root
/opt/omni/sbin/omnisv.sh -start

To check the running status of the OmniBack/ dataprotector daemons enter as root
/opt/omni/sbin/omnisv.sh -status


Indira A
Never give up, Keep Trying
Bill Hassell
Honored Contributor

Re: What are all Services VBDA and BMA services on HP UX

If you were to reduce the CPU (and disk) time for these OmniBack/DataProtector processes, then your backup may take from 5 to 10 times longer to complete. Modern tape drives require a lot of disk I/O and depending on the options you used to run the backup, CPU time will be quite high. The fix is to stop the backup and run it another time when your system is idle.


Bill Hassell, sysadmin
Mazumdar
Occasional Visitor

Re: What are all Services VBDA and BMA services on HP UX

Happy with Answer.Thank you all for the detailed clarification.