Re: Ceph hangs when accessed

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On Mon, Sep 26, 2011 at 14:23, Cédric Morandin <cedric.morandin@xxxxxxxx> wrote:
> 2011-09-26 23:07:49.404867   osd e13: 4 osds: 2 up, 4 in
...
> 2011-09-26 22:57:06.822182 7faf6a6f8700 -- 138.96.126.92:6802/3157 >> 138.96.126.93:6801/3162 pipe(0x7faf50001320 sd=20 pgs=0 cs=0 l=0).accept connect_seq 2 vs existing 1 state 3
> 2011-09-26 23:07:09.084901 7faf8e1b5700 FileStore: sync_entry timed out after 600 seconds.
>  ceph version 0.34 (commit:2f039eeeb745622b866d80feda7afa055e15f6d6)

And earlier you said the OSDs are using btrfs. That definitely sounds
like a btrfs bug, then.

Do the osd machines have anything interesting in dmesg or /var/log/kern.log ?

You may want to try a newer kernel, or running on ext4 for now.
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