Hello,
yesterday we upgraded a mimic cluster to v14.2.10, everything was running and ok.
There was this new warning, 2 pool(s) have non-power-of-two pg_num and to get a HEALTH_OK state until we can expand this pools,
i found this config option to suppress the warning:
ceph config set global mon_warn_on_pool_pg_num_not_power_of_two false which resulted in a crash of 40 osd processes (about 60% of the cluster).
no restart possible, always the same crash.
2020-06-30 21:13:56.179 7fd2b7708c00 -1 osd.30 385679 log_to_monitors {default=true}
*** Caught signal (Segmentation fault) **
in thread 7fd2a5813700 thread_name:fn_odsk_fstore
ceph version 14.2.10 (b340acf629a010a74d90da5782a2c5fe0b54ac20) nautilus (stable)
1: (()+0x11390) [0x7fd2b53a3390]
2: /usr/bin/ceph-osd() [0x87fd12]
3: (OSD::_committed_osd_maps(unsigned int, unsigned int, MOSDMap*)+0x5e1) [0x8f0f91]
4: (C_OnMapCommit::finish(int)+0x17) [0x946897]
5: (Context::complete(int)+0x9) [0x8fbfb9]
6: (Finisher::finisher_thread_entry()+0x15e) [0xeb2b8e]
7: (()+0x76ba) [0x7fd2b53996ba]
8: (clone()+0x6d) [0x7fd2b49a041d]
2020-06-30 21:13:56.199 7fd2a5813700 -1 *** Caught signal (Segmentation fault) **
in thread 7fd2a5813700 thread_name:fn_odsk_fstore
ceph version 14.2.10 (b340acf629a010a74d90da5782a2c5fe0b54ac20) nautilus (stable)
1: (()+0x11390) [0x7fd2b53a3390]
2: /usr/bin/ceph-osd() [0x87fd12]
3: (OSD::_committed_osd_maps(unsigned int, unsigned int, MOSDMap*)+0x5e1) [0x8f0f91]
4: (C_OnMapCommit::finish(int)+0x17) [0x946897]
5: (Context::complete(int)+0x9) [0x8fbfb9]
6: (Finisher::finisher_thread_entry()+0x15e) [0xeb2b8e]
7: (()+0x76ba) [0x7fd2b53996ba]
8: (clone()+0x6d) [0x7fd2b49a041d]
NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.
-1547> 2020-06-30 21:13:51.171 7fd2b7708c00 -1 missing 'type' file, inferring filestore from current/ dir
-738> 2020-06-30 21:13:56.179 7fd2b7708c00 -1 osd.30 385679 log_to_monitors {default=true}
0> 2020-06-30 21:13:56.199 7fd2a5813700 -1 *** Caught signal (Segmentation fault) **
in thread 7fd2a5813700 thread_name:fn_odsk_fstore
ceph version 14.2.10 (b340acf629a010a74d90da5782a2c5fe0b54ac20) nautilus (stable)
1: (()+0x11390) [0x7fd2b53a3390]
2: /usr/bin/ceph-osd() [0x87fd12]
3: (OSD::_committed_osd_maps(unsigned int, unsigned int, MOSDMap*)+0x5e1) [0x8f0f91]
4: (C_OnMapCommit::finish(int)+0x17) [0x946897]
5: (Context::complete(int)+0x9) [0x8fbfb9]
6: (Finisher::finisher_thread_entry()+0x15e) [0xeb2b8e]
7: (()+0x76ba) [0x7fd2b53996ba]
8: (clone()+0x6d) [0x7fd2b49a041d]
NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.
-1547> 2020-06-30 21:13:51.171 7fd2b7708c00 -1 missing 'type' file, inferring filestore from current/ dir
-738> 2020-06-30 21:13:56.179 7fd2b7708c00 -1 osd.30 385679 log_to_monitors {default=true}
0> 2020-06-30 21:13:56.199 7fd2a5813700 -1 *** Caught signal (Segmentation fault) **
in thread 7fd2a5813700 thread_name:fn_odsk_fstore
ceph version 14.2.10 (b340acf629a010a74d90da5782a2c5fe0b54ac20) nautilus (stable)
1: (()+0x11390) [0x7fd2b53a3390]
2: /usr/bin/ceph-osd() [0x87fd12]
3: (OSD::_committed_osd_maps(unsigned int, unsigned int, MOSDMap*)+0x5e1) [0x8f0f91]
4: (C_OnMapCommit::finish(int)+0x17) [0x946897]
5: (Context::complete(int)+0x9) [0x8fbfb9]
6: (Finisher::finisher_thread_entry()+0x15e) [0xeb2b8e]
7: (()+0x76ba) [0x7fd2b53996ba]
8: (clone()+0x6d) [0x7fd2b49a041d]
NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.
This is a mixed cluster of ubuntu xenial and bionic, it happens on both.
It look's like, it happens when the new monmap arrived at the osd.
The only fix i was able to come up with, downgrade ceph-osd to v14.2.9.
Should i open a bug report?
Regards
Markus
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