Hello All! Yesterday started upgrade from luminous to mimic with one of my 3
MONs.
After applying mimic yum repo and updating - a restart reports the following
error from the MON log file:
==> /var/log/ceph/ceph-mon.lvtncephx121.log <==
2019-02-07 10:02:40.110 7fc8283ed700 -1 mon.lvtncephx121@0(probing) e4
handle_probe_reply existing cluster has not completed a full luminous scrub to
purge legacy snapdir objects; please scrub before upgrading beyond luminous.
My question is simply: What exactly does this require?
Yesterday afternoon I did a manual:
ceph osd scrub all
But that has zero effect. I still get the same message on restarting the MON
I have no errors in the cluster except for the single MON (lvtncephx121) that
I'm working to migrate to mimic first:
[root@lvtncephx110 ~]# ceph status
cluster:
id: 5fabf1b2-cfd0-44a8-a6b5-fb3fd0545517
health: HEALTH_WARN
1/3 mons down, quorum lvtncephx122,lvtncephx123
services:
mon: 3 daemons, quorum lvtncephx122,lvtncephx123, out of quorum:
lvtncephx121
mgr: lvtncephx122(active), standbys: lvtncephx123, lvtncephx121
mds: cephfs-1/1/1 up {0=lvtncephx151=up:active}, 1 up:standby
osd: 18 osds: 18 up, 18 in
rgw: 2 daemons active
data:
pools: 23 pools, 2016 pgs
objects: 2608k objects, 10336 GB
usage: 20689 GB used, 39558 GB / 60247 GB avail
pgs: 2016 active+clean
io:
client: 5612 B/s rd, 3756 kB/s wr, 1350 op/s rd, 412 op/s wr
FWIW: The source code has the following:
// Monitor.cc
if (!osdmon()->osdmap.test_flag(CEPH_OSDMAP_PURGED_SNAPDIRS) ||
!osdmon()->osdmap.test_flag(CEPH_OSDMAP_RECOVERY_DELETES)) {
derr << __func__ << " existing cluster has not completed a full luminous"
<< " scrub to purge legacy snapdir objects; please scrub before"
<< " upgrading beyond luminous." << dendl;
exit(0);
}
}
So two question:
How to show the current flags in the OSD map checked by the monitor?
How to get these flags set so the MON will actually start.
Thanks,
Andy
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