Some additional infos :
today at 18:57:40, the PG 3.1 [19,5,28] was having a scrub date of
"2013-03-28 08:38:12.858041", and the OSD 28 was recovering.
Ten minutes later (@ 19:07:40), that PG 3.1 was having a scrub date of
today.
But at 19:41:04 I seen a error in syslog :
osd.10 52042 heartbeat_check: no reply from osd.28 since 2013-04-17 19:40:43.565511
So, since 19:47:44, the PG 3.1 [19,5] is in "active+degraded" state, is
scrub date is returned to "2013-03-28 08:38:12.858041" ; and of course
the osd.28 is DOWN, the process abort :
0> 2013-04-17 19:40:46.791010 7f6658f5a700 -1 *** Caught signal (Aborted) **
in thread 7f6658f5a700
ceph version 0.56.4-4-gd89ab0e (d89ab0ea6fa8d0961cad82f6a81eccbd3bbd3f55)
1: /usr/bin/ceph-osd() [0x7a6289]
2: (()+0xeff0) [0x7f666b488ff0]
3: (gsignal()+0x35) [0x7f6669f121b5]
4: (abort()+0x180) [0x7f6669f14fc0]
5: (__gnu_cxx::__verbose_terminate_handler()+0x115) [0x7f666a7a6dc5]
6: (()+0xcb166) [0x7f666a7a5166]
7: (()+0xcb193) [0x7f666a7a5193]
8: (()+0xcb28e) [0x7f666a7a528e]
9: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x7c9) [0x8f9549]
10: (ReplicatedPG::_scrub(ScrubMap&)+0x1a78) [0x57a038]
11: (PG::scrub_compare_maps()+0xeb8) [0x696c18]
12: (PG::chunky_scrub()+0x2d9) [0x6c37f9]
13: (PG::scrub()+0x145) [0x6c4e55]
14: (OSD::ScrubWQ::_process(PG*)+0xc) [0x64048c]
15: (ThreadPool::worker(ThreadPool::WorkThread*)+0x879) [0x815179]
16: (ThreadPool::WorkThread::entry()+0x10) [0x817980]
17: (()+0x68ca) [0x7f666b4808ca]
18: (clone()+0x6d) [0x7f6669fafb6d]
NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.
What I didn't understand is why the OSD process crash, instead of
marking that PG "corrupted", and does that PG really "corrupted" are is
this just an OSD bug ?
Thanks,
Olivier
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