On 2014-09-29 16:10 (Mon), Liu Bo wrote:
Hi Tomasz,
On Mon, Sep 29, 2014 at 02:00:18PM +0200, Tomasz Chmielewski wrote:
System froze under 3.17.0-rc6 with btrfs. It had to be hard rebooted.
How does this happen? A stressful write with compression?
Rsync (with --inplace - can be stressful / lead to fragmentation on
large files which change) + snapshot + remove old snapshot, for several
remote sources (rsync server1, snapshot, remove old snap; rsync server2,
snapshot, remove old snap etc.).
Filesystem is RAID-1 with compress-force=zlib:
/dev/sdc1 on /mnt/lxc2 type btrfs
(rw,noatime,compress-force=zlib,space_cache)
The last operation written to the logfile was snapshot removal.
--
Tomasz Chmielewski
http://www.sslrack.com
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