Am 17.10.2011 14:05, schrieb Tomasz Paszkowski:
Hi,
It seems that ext4 and btrfs are not to be considered as stable for
now. Does anyone could confirm that
ext3 is the best choice for this moment ?
Hi,
I did a quick test with ext3, and it did not look very good.
After a few minutes one of the osds failed with this message.
[315274.737204] kjournald starting. Commit interval 5 seconds
[315274.737919] EXT3-fs (sdb): using internal journal
[315274.737929] EXT3-fs (sdb): mounted filesystem with ordered data mode
[317040.890148] INFO: task ceph-osd:18032 blocked for more than 120 seconds.
[317040.905855] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[317040.923801] ceph-osd D ffff880114c8b1a0 0 18032 1
0x00000000
[317040.923812] ffff88010f2e3cb8 0000000000000086 ffff88010f2e3cb8
ffff88010f2e3cb8
[317040.923821] ffff88011ffdff08 ffff88010f2e3fd8 ffff88010f2e2000
ffff88010f2e3fd8
[317040.923830] ffff880116dadbc0 ffff880114c8ade0 ffff88010f2e3cd8
ffffffff8110d500
[317040.923847] Call Trace:
[317040.923865] [<ffffffff8110d500>] ? find_get_pages_tag+0x40/0x130
[317040.923876] [<ffffffff815d93df>] schedule+0x3f/0x60
[317040.923884] [<ffffffff815d99ed>] schedule_timeout+0x26d/0x2e0
[317040.923893] [<ffffffff8101a725>] ? native_sched_clock+0x15/0x70
[317040.923899] [<ffffffff8101a789>] ? sched_clock+0x9/0x10
[317040.923908] [<ffffffff8108d465>] ? sched_clock_local+0x25/0x90
[317040.923916] [<ffffffff815d9219>] wait_for_common+0xd9/0x180
[317040.923924] [<ffffffff8105bbc0>] ? try_to_wake_up+0x2b0/0x2b0
[317040.923932] [<ffffffff815d939d>] wait_for_completion+0x1d/0x20
[317040.923941] [<ffffffff8118d652>] sync_inodes_sb+0x92/0x1c0
[317040.923949] [<ffffffff81192440>] ? __sync_filesystem+0x90/0x90
[317040.923956] [<ffffffff81192430>] __sync_filesystem+0x80/0x90
[317040.923963] [<ffffffff8119245f>] sync_one_sb+0x1f/0x30
[317040.923972] [<ffffffff81169268>] iterate_supers+0xa8/0x100
[317040.923979] [<ffffffff81192360>] sync_filesystems+0x20/0x30
[317040.923985] [<ffffffff81192501>] sys_sync+0x21/0x40
[317040.923995] [<ffffffff815e37c2>] system_call_fastpath+0x16/0x1b
Best Regards,
martin
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