Hi Stefan,
in my case the osd process was just terminated, no IO wait. Could you
have a look in your dmesg, if there is any btrfs entry?
Because the IO wait sounds like a btrfs problem.
Best Regards,
martin
Stefan Kleijkers schrieb:
Hello,
I got the exact same problem. Upgraded from 0.36 to 0.37 and one of the
two osds wouldn't start. In the log of the osd I also found the same
error as below. The ceph-osd had status D (with ps, which is
uninterruptable sleep) and I see a high IO wait with top. Also I noticed
a lot of disk io on the disks.
Stefan
On 10/20/2011 05:39 PM, Martin Mailand wrote:
Hi,
today I tried the version 0.37 and it did not work very well, see below.
It was an update from 0.36.
Best Regards,
Martin
2011-10-20 17:33:34.350502 7f0ada6f4760 ceph version 0.37
(commit:a6f3bbb744a6faea95ae48317f0b838edb16a896), process ceph-osd,
pid 21707
2011-10-20 17:33:34.353543 7f0ada6f4760 filestore(/data/osd2) mount
FIEMAP ioctl is NOT supported
2011-10-20 17:33:34.353628 7f0ada6f4760 filestore(/data/osd2) mount
detected btrfs
2011-10-20 17:33:34.353656 7f0ada6f4760 filestore(/data/osd2) mount
btrfs CLONE_RANGE ioctl is supported
2011-10-20 17:33:34.425059 7f0ada6f4760 filestore(/data/osd2) mount
btrfs SNAP_CREATE is supported
2011-10-20 17:33:34.544564 7f0ada6f4760 filestore(/data/osd2) mount
btrfs SNAP_DESTROY is supported
2011-10-20 17:33:34.544873 7f0ada6f4760 filestore(/data/osd2) mount
btrfs START_SYNC got 0 Success
2011-10-20 17:33:34.544966 7f0ada6f4760 filestore(/data/osd2) mount
btrfs START_SYNC is supported (transid 149)
2011-10-20 17:33:34.624965 7f0ada6f4760 filestore(/data/osd2) mount
btrfs WAIT_SYNC is supported
2011-10-20 17:33:34.636719 7f0ada6f4760 filestore(/data/osd2) mount
btrfs SNAP_CREATE_V2 got 0 Success
2011-10-20 17:33:34.636754 7f0ada6f4760 filestore(/data/osd2) mount
btrfs SNAP_CREATE_V2 is supported
2011-10-20 17:33:34.644876 7f0ada6f4760 filestore(/data/osd2) mount
found snaps <>
2011-10-20 17:33:34.644983 7f0ada6f4760 filestore(/data/osd2) mount:
enabling WRITEAHEAD journal mode: 'filestore btrfs snap' mode is not
enabled
2011-10-20 17:33:34.678324 7f0ada6f4760 journal kernel version is 3.1.0
2011-10-20 17:33:34.678737 7f0ada6f4760 journal _open /dev/sda7 fd 14:
476500201472 bytes, block size 4096 bytes, directio = 1
2011-10-20 17:33:34.688215 7f0ada6f4760 journal read_entry 39366656 :
seq 4653 710 bytes
2011-10-20 17:33:34.688420 7f0ada6f4760 journal read_entry 39374848 :
seq 4654 33 bytes
2011-10-20 17:33:34.695110 7f0ada6f4760 journal kernel version is 3.1.0
2011-10-20 17:33:34.695496 7f0ada6f4760 journal _open /dev/sda7 fd 14:
476500201472 bytes, block size 4096 bytes, directio = 1
2011-10-20 17:33:34.696359 7f0ada6f4760 FileStore is up to date.
2011-10-20 17:33:34.696683 7f0ada6f4760 journal close /dev/sda7
2011-10-20 17:33:34.697970 7f0ada6f4760 filestore(/data/osd2) mount
FIEMAP ioctl is NOT supported
2011-10-20 17:33:34.698013 7f0ada6f4760 filestore(/data/osd2) mount
detected btrfs
2011-10-20 17:33:34.698031 7f0ada6f4760 filestore(/data/osd2) mount
btrfs CLONE_RANGE ioctl is supported
2011-10-20 17:33:34.774980 7f0ada6f4760 filestore(/data/osd2) mount
btrfs SNAP_CREATE is supported
2011-10-20 17:33:34.904538 7f0ada6f4760 filestore(/data/osd2) mount
btrfs SNAP_DESTROY is supported
2011-10-20 17:33:34.904945 7f0ada6f4760 filestore(/data/osd2) mount
btrfs START_SYNC got 0 Success
2011-10-20 17:33:34.904995 7f0ada6f4760 filestore(/data/osd2) mount
btrfs START_SYNC is supported (transid 152)
2011-10-20 17:33:34.991585 7f0ada6f4760 filestore(/data/osd2) mount
btrfs WAIT_SYNC is supported
2011-10-20 17:33:34.996636 7f0ada6f4760 filestore(/data/osd2) mount
btrfs SNAP_CREATE_V2 got 0 Success
2011-10-20 17:33:34.996664 7f0ada6f4760 filestore(/data/osd2) mount
btrfs SNAP_CREATE_V2 is supported
2011-10-20 17:33:35.004813 7f0ada6f4760 filestore(/data/osd2) mount
found snaps <>
2011-10-20 17:33:35.004902 7f0ada6f4760 filestore(/data/osd2) mount:
enabling WRITEAHEAD journal mode: 'filestore btrfs snap' mode is not
enabled
2011-10-20 17:33:35.023071 7f0ada6f4760 journal kernel version is 3.1.0
2011-10-20 17:33:35.023353 7f0ada6f4760 journal _open /dev/sda7 fd 14:
476500201472 bytes, block size 4096 bytes, directio = 1
2011-10-20 17:33:35.029846 7f0ada6f4760 journal read_entry 39366656 :
seq 4653 710 bytes
2011-10-20 17:33:35.030077 7f0ada6f4760 journal read_entry 39374848 :
seq 4654 33 bytes
2011-10-20 17:33:35.036728 7f0ada6f4760 journal kernel version is 3.1.0
2011-10-20 17:33:35.037142 7f0ada6f4760 journal _open /dev/sda7 fd 14:
476500201472 bytes, block size 4096 bytes, directio = 1
*** Caught signal (Aborted) **
in thread 0x7f0ace7f9700
ceph version 0.37 (commit:a6f3bbb744a6faea95ae48317f0b838edb16a896)
1: /usr/bin/ceph-osd() [0x5bd012]
2: (()+0xfc60) [0x7f0ada2d4c60]
3: (gsignal()+0x35) [0x7f0ad8a5ad05]
4: (abort()+0x186) [0x7f0ad8a5eab6]
5: (__gnu_cxx::__verbose_terminate_handler()+0x11d) [0x7f0ad93116dd]
6: (()+0xb9926) [0x7f0ad930f926]
7: (()+0xb9953) [0x7f0ad930f953]
8: (()+0xb9a5e) [0x7f0ad930fa5e]
9: (ceph::buffer::list::iterator::copy(unsigned int, char*)+0x129)
[0x5a7e99]
10: (OSDMap::decode(ceph::buffer::list&)+0x81) [0x58f9f1]
11: (OSD::get_map(unsigned int)+0x242) [0x53f6d2]
12: (OSD::handle_osd_map(MOSDMap*)+0x1f82) [0x56ae72]
13: (OSD::_dispatch(Message*)+0x36b) [0x56d11b]
14: (OSD::ms_dispatch(Message*)+0xf6) [0x56e1c6]
15: (SimpleMessenger::dispatch_entry()+0x88b) [0x5fff2b]
16: (SimpleMessenger::DispatchThread::entry()+0x1c) [0x4bd55c]
17: (()+0x6d8c) [0x7f0ada2cbd8c]
18: (clone()+0x6d) [0x7f0ad8b0d04d]
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