Hello,
I did try to renice to -4 the backuppc_dump process, but it still crashes the
box.
I think I will try +4 or, to the extreme, to +18 or something.
Thanks, I will try that at home
Jeffrey J. Kosowsky wrote:
> error403 wrote at about 08:05:21 -0400 on Sunday, June 21, 2009:
>
> >
> > Hello,
> >
> > I've run into a nasty problem. Every time I try to launch a backup for one
> > of my computers, the backuppc server hangs, and there is no more response
> > possible. I have to reset the server in order to be able to make it work
> > again.
> >
> > I tried many backup ways, such as rsync over ssh for my windows client, and
> > rsync for my 2nd linux box. I've noticed that when a backup is in progress,
> > the process backuppc_dump uses 100% of the server's cpu ressources.
> > However, the ram doesn't seem to be missing so I don't even think it's a
> > memory leak issue. My swap space is also nearly unused.
> >
> > The backuppc server is a P3-1000MHz with 512MB of ram. It's getting pretty
> > old, yes, but I would just expect the backups to be slow instead of
> > crashing until I upgrade the box
> >
> >
>
> Seems unlikely that Backuppc is crashing your box especially since you
> say your swap space is unused. It really is just a perl script that
> calls standard Unix commands, operating as user backuppc, so it is
> hard to see how it could crash a Linux system. Also, you say that it
> doesn't use up all your memory or swap.
>
> Now while a p3-1Ghz is slow, it shouldn't be much slower than the
> dlink dns-323 boxes that people have run backuppc on. Are you sure
> your box is "crashed" vs. just running really slow because of slow CPU
> and minimal RAM (so more swapping).
>
> One thing to try would be to run backuppc at a less privileged nice
> level - also manually run BackupPC_dump at less privileged level. See
> whether the box still becomes "unresponsive".
>
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