Title: ProActive Software
Hi Luis,
Thank you for your reply. Noatime is enabled:
/dev/drbd0 on /var/scans type ocfs2
(rw,_netdev,noatime,cluster_stack=pcmk)
Without noatime performance was even worse!
Cheers,
Dirk
Op 4-4-2012 18:44, Luis Freitas schreef:
Dirk,
Also, you
should have noatime enabled on this filesystem, check your
mount options. Or else the rsync will end up causing access
time to be updated.
Regards,
Luis
For backup I use a local copy using
tar, but I use rsync too.
I don't compare but if you send any stadistics about rsync
we can said more information.
use rsync --stats
I don't note difernt speed, but did you make a full
rsync, and show --progress for see that file it is
going at what speed?
regards
On Mon, Apr 2, 2012
at 9:04 PM, Dirk Bonenkamp - ProActive <d...@proactive.nl>
wrote:
Hi All,
I'm currently testing a OCFS2 set-up, and I'm having
issues with
creating backups.
I have a 2 node cluster, running OCFS2 on a dual
primary DRBD device.
The file system is 3.7Tb of which 211 Gb is used:
about 1.5 million
files in 95 directories.
Everything works fine, except for the backups, which
are taking way more
time than on 'regular' file systems.
I'm using rsync for my backups. When I rsync the file
system above, this
takes more than an hour, without any modifications to
the file system.
Network / disk speed is good. I can rsync a 10 Gb file
from the OCFS2
filesystem to the same backup server with just under
100 Mb/s.
I know there is some penalty to be expected from a
clustered file
system, but this is al lot. Rsyncing an ext3 file
system double the size
(in Mb's and files) of this file system takes about
600 seconds...
Has anybody some advice on a backup strategy for me?
Or some tuning tips?
Thanks in advance,
Dirk
--
<http://www.proactive.nl>
T 023 - 5422299
F 023 - 5422728
www.proactive.nl <http://www.proactive.nl>
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