There are a couple of threads wrt oom killers but I'm not sure if they
apply here. Do you have any custom configs in Mimic which may not be
applicable in Nautilus? The cluster is/was otherwise healthy (I assume
it was)? Maybe you could try to add new MON temporarily to see if that
successfully starts and joins the cluster?
Zitat von Iban Cabrillo <cabrillo@xxxxxxxxxxxxxx>:
Hi Eugen,
There is only ceph-mgr and ceph-mon on this node (working fine
for years with versions <14)
Jun 29 16:08:42 cephmon03 systemd: ceph-mon@cephmon03.service failed.
Jun 29 16:16:36 cephmon03 kernel: ceph-mon[7498]: segfault at 8 ip
00007fa4c2e75ed7 sp 00007ffee88e3730 error 4 in
libceph-common.so.0[7fa4c2b97000+9b8000]
Jun 29 16:19:04 cephmon03 systemd: Reloading.
Jun 29 16:19:05 cephmon03 systemd:
[/usr/lib/systemd/system/ceph-mgr@.service:15] Unknown lvalue
'LockPersonality' in section 'Service'
Jun 29 16:19:05 cephmon03 systemd:
[/usr/lib/systemd/system/ceph-mgr@.service:18] Unknown lvalue
'MemoryDenyWriteExecute' in section 'Service'
Jun 29 16:19:05 cephmon03 systemd:
[/usr/lib/systemd/system/ceph-mgr@.service:21] Unknown lvalue
'ProtectControlGroups' in section 'Service'
Jun 29 16:19:05 cephmon03 systemd:
[/usr/lib/systemd/system/ceph-mgr@.service:23] Unknown lvalue
'ProtectKernelModules' in section 'Service'
Jun 29 16:19:05 cephmon03 systemd:
[/usr/lib/systemd/system/ceph-mgr@.service:24] Unknown lvalue
'ProtectKernelTunables' in section 'Service'
Jun 29 16:19:05 cephmon03 systemd:
[/usr/lib/systemd/system/ceph-mon@.service:19] Unknown lvalue
'LockPersonality' in section 'Service'
Jun 29 16:19:05 cephmon03 systemd:
[/usr/lib/systemd/system/ceph-mon@.service:21] Unknown lvalue
'MemoryDenyWriteExecute' in section 'Service'
Jun 29 16:19:05 cephmon03 systemd:
[/usr/lib/systemd/system/ceph-mon@.service:25] Unknown lvalue
'ProtectControlGroups' in section 'Service'
Jun 29 16:19:05 cephmon03 systemd:
[/usr/lib/systemd/system/ceph-mon@.service:27] Unknown lvalue
'ProtectKernelModules' in section 'Service'
Jun 29 16:19:05 cephmon03 systemd:
[/usr/lib/systemd/system/ceph-mon@.service:28] Unknown lvalue
'ProtectKernelTunables' in section 'Service'
I thought this was related to this bug
https://tracker.ceph.com/issues/50997, the the trick didn't work for
me.
#MemoryDenyWriteExecute=true
MemoryDenyWriteExecute=false
running manualy:
/usr/bin/ceph-mon -f --cluster ceph --id cephmon03 --setuser ceph
--setgroup ceph
I see the ceph-mon procc start to consume whole swap
src/central_freelist.cc:333] tcmalloc: allocation failed 8192
***
Caught signal (Segmentation fault) **
in
thread 7fb892cfd1c0 thread_name:ceph-mon
ceph
version 14.2.22 (ca74598065096e6fcbd8433c8779a2be0c889351) nautilus
(stable)
1:
(()+0xf630) [0x7fb886d2d630]
2:
(std::string::_Rep::_S_create(unsigned long, unsigned long,
std::allocator<char> const&)+0x59) [0x55ea4086f709]
3: (std::string::_M_mutate(unsigned long, unsigned long, unsigned
long)+0x6b) [0x55ea40870dcb]
4: (std::string::assign(char const*, unsigned long)+0x55)
[0x55ea40870fb5]
5: (()+0x2aa5c) [0x7fb88949ea5c]
......
Mons are under Centos7.5 machine
Regards, I
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