Hi,
I have set up ceph system with a client, mon and mds on one system which is
connected to 2 osds. I ran iozone test with a 10G file and it ran fine. But when
I ran iozone test with a 5G file, the process got killed and our ceph system
hanged. Can anyone please help me with this.
Thanks in adv
Hi,
Thanks for letting us know. What version are you running? Can you
post your ceph.conf to give us an idea of how your cluster is
configured? Also, did any of the daemons crash? If it's
reproducible, it would help to turn up osd and mds debugging to 20 and
post the logs.
Thanks
-Sam
On Thu
Hi,
thanks for your reply.
The output of 'modinfo ceph' is as follows:
filename: /lib/modules/3.1.10-1.9-desktop/kernel/fs/ceph/ceph.ko
license:GPL
description:Ceph filesystem for Linux
author: Patience Warnick
author: Yehuda Sadeh
author: Sage Weil
s
On Thursday, May 31, 2012 at 5:58 PM, udit agarwal wrote:
> Hi,
> I have set up ceph system with a client, mon and mds on one system which is
> connected to 2 osds. I ran iozone test with a 10G file and it ran fine. But
> when
> I ran iozone test with a 5G file, the process got killed and our ceph
I ran the 5g iozone test on my ceph system and I got the following output on the
terminal:
hp1:/media/ceph # /opt/iozone/bin/iozone -Rab 20120519_1641_results_5g.xls -R -i
0 -i 2 -f /media/ceph/iozone.file -s 5g
Iozone: Performance Test of File I/O
Version $Revision: 3.408
On Mon, Jun 4, 2012 at 2:52 PM, udit agarwal wrote:
> I ran the 5g iozone test on my ceph system and I got the following output on
> the
> terminal:
...
> Message from syslogd@hp1 at Jun 4 22:19:03 ...
> kernel:[ 7627.132065] Oops: [#1] PREEMPT SMP
> Message from syslogd@hp1 at Jun 4 22:1
Hi,
Thanks for your reply.
Please follow this link
"https://docs.google.com/document";.
"d/1mYVyI75FGMYqPes5T5fkI0aUX8h2q6TFeWdoV9uJdQI/edit?pli=1"
to find the whole message. (plz concatenate both strings for the link as I
wasn't able to post it in whole i.e. link is https://?pli=1 .
Sorry ,the link is:
https://docs.google.com/document/d/
1mYVyI75FGMYqPes5T5fkI0aUX8h2q6TFeWdoV9uJdQI/edit?pli=1
hope you can help me in this matter.
--Udit Agarwal
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Mo
On Mon, Jun 4, 2012 at 4:43 PM, udit agarwal wrote:
> Sorry ,the link is: [...]
If you run iozone again, does the bug happen again?
Comparing your iozone run with our test suite, we don't currently do
-i 2 (random read/write), and we only run a few specific record sizes
to save time (-r 16K,1M);
Hi,
Thanks for your reply.
After you hinted that this problem may have caused due to using record size of
length 4k. Then, I ran iozone test on a 5m file with record length 4k and to my
surprise, the ceph system again hanged up. Then, I tried same with record
lengths from 8k to 1m and everything
Hi,
Thank you all for your support in resolving the issue. As I mentioned in my
previous post that I ran my iozone test again on a 5G file excluding the 4k
record size. And now, I have successfully completed this test with record sizes
of 8k and 16k and hopefully all others will also work fine. Bu
On Tue, Jun 5, 2012 at 9:15 PM, udit agarwal wrote:
> Hi,
> Thank you all for your support in resolving the issue. As I mentioned in my
> previous post that I ran my iozone test again on a 5G file excluding the 4k
> record size. And now, I have successfully completed this test with record
> size
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