Thanks again to all. I've implemented that. There is a technote on the Veritas
knowledgebase site which describes this a bit more. As Larry told me: If you
search for "CLEAN_IN_BACKGROUND" at
http://seer.support.veritas.com/ it'll show up near the top of the list for the
different version of NetBackup. The Veritas-bu list just proved its value again
for me! Thanks....Gerrit
Max.Booth AT ubsw DOT com wrote:
> Gerrit,
>
> If you create the following file:
>
> /usr/openv/netbackup/bin/CLEAN_IN_BACKGROUND
>
> this will enable jobs to schedule and run even when
> the db clean is running.
>
> Hope this helps.
>
> Regards,
>
> max
>
> -----Original Message-----
> From: Gerrit Bos [mailto:gbos AT uoguelph DOT ca]
> Sent: 01 May 2002 15:11
> To: NetBackup List
> Subject: Re: [Veritas-bu] Scheduler stopped checking for one hour?
>
> Thanks, Larry, Jagtar, Penelope, and Shahar for your input and thoughts;
> hopefully I didn't miss anyone. While an errant Daylight Saving Time
> process sounded the most interesting, I think the root cause in our case is
> the database cleaning which NetBackup does when there are no backup jobs
> running. An image DB cleaning started at 2:05 that same morning and a media
> DB cleaning at 2:27. So ironically the fact that there was no activity for
> a short while before an important class started, the jobs in that class was
> delayed. (Usually the admins of the machines in that class are concerned
> about contention, now they have a problem which seems to trace back to lack
> of contention. :-)
>
> Since the cleaning does take a while, an hour in our case, I do wonder if it
> is possible to set a "Don't clean the databases during this time" flag.
> Thanks again....Gerrit
>
> Gerrit Bos wrote:
>
> > We had a complaint from one of the server admins that a backup which
> > faithfully starts at or close to 2 AM didn't start until after 3 AM.
> > Resources were available, in fact, the tape drive graph show a drop to
> > only one in use. Our wake-up interval is every 10 minutes, and like
> > clockwork when there are active schedules, there are "find_work" entries
> > in the bpsched log files. Then last night, for one hour, there are no
> > "find_work" entries. A full set at 01:55, and another at 03:05, and
> > none in between. Is that evidence that the scheduler stopped checking
> > for an hour? If it is, can you think of any reason why the scheduler
> > stopped checking for work for one hour last night? Our environment is
> > NB 3.2GA on Solaris 2.7. Thanks in advance for any feedback....Gerrit
> >
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