The bpbackupdb process is not preemptive, in other words it will wait for
all of the backup jobs to complete before it will begin its process.

While it is running no backups will be allowed, however you will be able to
submit restore jobs.


David

-----Original Message-----
From: veritas-bu-admin AT Eng.Auburn DOT EDU
[mailto:veritas-bu-admin AT Eng.Auburn DOT EDU]On Behalf Of Jim VandeVegt
Sent: Friday, January 26, 2001 4:20 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] NBDB backup scripts?


--- TWGIBBAR AT up DOT com wrote:
> So, if everything is properly configured through the NetBackup
> Admin
> interface, would simply running a job out of cron be good enough?
>
> * 0,4,8,12,16,20 * * *
> /usr/openv/netbackup/bin/admincmd//bpbackupdb

I don't know that I'd run it every four hours. Backing up the DB
takes a non-trivial amount of time, will only run when there's no
other backup activity, and will block backup activity while it's
running.

The NBU class I went to suggested that DB backup be done as an
"operator" function where part of a person's job is to make sure the
right tape is in the drive and the command is executed either by hand
or through cron once a day during a backup quiet period.

I've seen scripts on this forum lately that do an excellent job of
performing a daily backup of the DB onto a rotating schedule of
tapes.

I've often wondered what happens when bpbackupdb is run and backups
are not quiet -- does it wait? does it return an error? does it go on
about its merry way and create a bad backup?

At our site we've stuck with the automatic backup after a backup
session, letting it alternate between two tapes. Every so often I
change the two tapes being used. We have ten tapes in our Netbackup pool.

=====
Jim VandeVegt
vandevegt AT yahoo DOT com vandevegt AT avaya DOT com
http://members.xoom.com/vandevegt

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