Hei,
On Mittwoch, 29. Juni 2016 20:56:55 CEST Holger Parplies wrote:
> Witold Arndt wrote on 2016-06-27 08:53:40 +0200 [Re: [BackupPC-users]
BackupPC_trashClean (?) freezes system]:
> > On Sonntag, 26. Juni 2016 22:21:45 CEST Adam Goryachev wrote:
> > > Can you login to the server after it has "hung"? I'm assuming yes since
> > > you can try to kill the process.
> > > I'd strongly suggest checking the various logs, starting with dmesg
> > > Also, check the physical "host" to see what it thinks the status of the
> > > VM is.
> >
> > Jep, I can login to the vm and everything besides backuppc is running and
> > instantly responsive. Other processes which use the disk have no problem
> > reading or wrting and iotop shows no hangups.
>
> are they using the same file system? Can you show us a 'df -T' and perhaps
> 'df -i' of your BackupPC VM?
Yes, everything is on /dev/vda1, storage is on /san:
$ df -T
Filesystem Type 1K-blocks Used Available Use% Mounted on
udev devtmpfs 2013336 4 2013332 1% /dev
tmpfs tmpfs 404824 364 404460 1% /run
/dev/vda1 ext4 4391408 2543372 1601920 62% /
none tmpfs 4 0 4 0% /sys/fs/cgroup
none tmpfs 5120 0 5120 0% /run/lock
none tmpfs 2024120 0 2024120 0% /run/shm
none tmpfs 102400 0 102400 0% /run/user
san:/vol1/storage nfs4 2879636864 188612096 2690922368 7% /san
$ df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
udev 503334 411 502923 1% /dev
tmpfs 506030 333 505697 1% /run
/dev/vda1 287424 141971 145453 50% /
none 506030 2 506028 1% /sys/fs/cgroup
none 506030 5 506025 1% /run/lock
none 506030 1 506029 1% /run/shm
none 506030 2 506028 1% /run/user
san:/vol1/storage 182853632 25729421 157124211 15% /san
> > > Almost every time I've tried to kill a process and seen it turn into a
> > > zombie, it's because the process was sleeping / waiting for disk IO, and
> > > it won't die until after the OS decides the disk IO has failed or
> > > succeeded.>
> > This is consistent with the 85% waiting usage, but there are no errors any
> > log (dmesg, syslog, backuppc/log/*) whatsoever.
> >
> > I'm a bit lost since there were no configuration changes (besides removal
> > and addition of backup clients) and this setup has been running since
> > 04/2014.
> I would suspect file system corruption. Is the trash directory empty when
> the freeze occurs? In general, I'd suggest an 'fsck', but with a BackupPC
> pool that might not work. You *could* try moving the trash directory out of
> the way and recreating it with the same permissions. This would avoid
> accessing a problematic file within it, supposing this is causing the
> problems. Though, normally, I'd expect something in the system log files in
> case of a file system panic. Well, 'df -T' might tell us more.
fsck was done already and didn't show any errors. Since I didn't have any
outages in the last days I'm not sure about the contents of trash/, but I will
keep an eye on this.
Best regards,
wi
--
Eule GDI : http://www.eule-gdi.de
: info AT eule-gdi DOT de
Heisenbergstraße 2 : Fon +49 251 83-30103
48149 Münster : Fax +49 251 83-38338
signature.asc
Description: This is a digitally signed message part.
------------------------------------------------------------------------------
Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San
Francisco, CA to explore cutting-edge tech and listen to tech luminaries
present their vision of the future. This family event has something for
everyone, including kids. Get more information and register today.
http://sdm.link/attshape _______________________________________________
BackupPC-users mailing list
BackupPC-users AT lists.sourceforge DOT net
List: https://lists.sourceforge.net/lists/listinfo/backuppc-users
Wiki: http://backuppc.wiki.sourceforge.net
Project: http://backuppc.sourceforge.net/
|
