Really not sure where to go with this one. Firstly, a description of my
cluster. Yes, I know there are a lot of "not ideals" here but this is what I
inherited.
The cluster is running Jewel and has two storage/mon nodes and an additional
mon only node, with a pool size of 2. Today, we had a some power issues in the
data centre and we very ungracefully lost both storage servers at the same
time. Node 1 came back online before node 2 but I could see there were a few
OSDs that were down. When node 2 came back, I started trying to get OSDs up.
Each node has 14 OSDs and I managed to get all OSDs up and in on node 2, but
one of the OSDs on node 1 keeps starting and crashing and just won't stay up.
I'm not finding the OSD log output to be much use. Current health status looks
like this:
# ceph health
HEALTH_ERR 26 pgs are stuck inactive for more than 300 seconds; 26 pgs down; 26
pgs peering; 26 pgs stuck inactive; 26 pgs stuck unclean; 5 requests are
blocked > 32 sec
# ceph status
cluster e2391bbf-15e0-405f-af12-943610cb4909
health HEALTH_ERR
26 pgs are stuck inactive for more than 300 seconds
26 pgs down
26 pgs peering
26 pgs stuck inactive
26 pgs stuck unclean
5 requests are blocked > 32 sec
Any clues as to what I should be looking for or what sort of action I should be
taking to troubleshoot this? Unfortunately, I'm a complete novice with Ceph.
Here's a snippet from the OSD log that means little to me...
--- begin dump of recent events ---
0> 2021-04-16 12:25:10.169340 7f2e23921ac0 -1 *** Caught signal (Aborted)
**
in thread 7f2e23921ac0 thread_name:ceph-osd
ceph version 10.2.11 (e4b061b47f07f583c92a050d9e84b1813a35671e)
1: (()+0x9f1c2a) [0x7f2e24330c2a]
2: (()+0xf5d0) [0x7f2e21ee95d0]
3: (gsignal()+0x37) [0x7f2e2049f207]
4: (abort()+0x148) [0x7f2e204a08f8]
5: (ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x267) [0x7f2e2442fd47]
6: (FileJournal::read_entry(ceph::buffer::list&, unsigned long&, bool*)+0x90c)
[0x7f2e2417bc7c]
7: (JournalingObjectStore::journal_replay(unsigned long)+0x1ee)
[0x7f2e240c8dce]
8: (FileStore::mount()+0x3cd6) [0x7f2e240a0546]
9: (OSD::init()+0x27d) [0x7f2e23d5828d]
10: (main()+0x2c18) [0x7f2e23c71088]
11: (__libc_start_main()+0xf5) [0x7f2e2048b3d5]
12: (()+0x3c8847) [0x7f2e23d07847]
NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to
interpret this.
Thanks in advance,
Mark
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