Hi
I've just started an upgrade of a test cluster from 16.2.6 -> 16.2.7 and
immediately hit a problem.
The cluster started as octopus, and has upgraded through to 16.2.6
without any trouble. It is a conventional deployment on Debian 10, NOT
using cephadm. All was clean before the upgrade. It contains nodes as
follows:
- Node 1: MON, MGR, MDS, RGW
- Node 2: MON, MGR, MDS, RGW
- Node 3: MON
- Node 4-6: OSDs
In the absence of any specific upgrade instructions for 16.2.7, I
upgraded Node 1 and rebooted. The MON on that host will now not start,
throwing the following assertion:
2021-12-09T14:56:40.098+00:00 xxxxtstmon01 ceph-mon[960]:
/build/ceph-16.2.7/src/mds/FSMap.cc: In function 'void FSMap::sanity(bool)
const' thread 7f2d309085c0 time 2021-12-09T14:56:40.098395+0000
2021-12-09T14:56:40.098+00:00 xxxxtstmon01 ceph-mon[960]:
/build/ceph-16.2.7/src/mds/FSMap.cc: 868: FAILED
ceph_assert(info.compat.writeable(fs->mds_map.compat))
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: ceph version 16.2.7
(dd0603118f56ab514f133c8d2e3adfc983942503) pacific (stable)
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 1:
(ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x14b)
[0x7f2d3222423c]
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 2:
/usr/lib/ceph/libceph-common.so.2(+0x277414) [0x7f2d32224414]
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 3:
(FSMap::sanity(bool) const+0x2a8) [0x7f2d327331c8]
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 4:
(MDSMonitor::update_from_paxos(bool*)+0x396) [0x55a32fe6b546]
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 5:
(PaxosService::refresh(bool*)+0x10a) [0x55a32fd960ca]
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 6:
(Monitor::refresh_from_paxos(bool*)+0x17c) [0x55a32fc54bec]
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 7:
(Monitor::init_paxos()+0xfc) [0x55a32fc54e9c]
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 8:
(Monitor::preinit()+0xbb9) [0x55a32fc7eb09]
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 9: main()
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 10:
__libc_start_main()
2021-12-09T14:56:40.103+00:00 xxxxtstmon01 ceph-mon[960]: 11: _start()
ceph health detail merely shows mon01 down, and the 5 crashes before the
service stopped auto-restarting.
Any ideas please?
Thanks, Chris
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