Hace you tried to recover old IPs ?
El 23/10/20 a las 14:22, Gerhard W. Recher escribió:
This is a proxmox cluster ...
sorry for formating problems of my post :(
short plot, we messed with ip addr. change of public network, so
monitors went down.
we changed monitor information in ceph.conf and with
ceph-mon -i pve01 --extract-monmap /tmp/monmap
monmaptool --rm pve01 --rm pve02 --rm pve03 /tmp/monmap
monmaptool --add pve01 10.100.200.141 --add pve02 10.100.200.142 --add
pve03 10.100.200.143 /tmp/monmap
monmaptool --print /tmp/monmap
ceph-mon -i pve01 --inject-monmap /tmp/monmap
restart of all three nodes, but osd's dont't come up
so howto recover from this disaster ?
# ceph -s
cluster:
id: 92d063d7-647c-44b8-95d7-86057ee0ab22
health: HEALTH_WARN
1 daemons have recently crashed
OSD count 0 < osd_pool_default_size 3
services:
mon: 3 daemons, quorum pve01,pve02,pve03 (age 19h)
mgr: pve01(active, since 19h)
osd: 0 osds: 0 up, 0 in
data:
pools: 0 pools, 0 pgs
objects: 0 objects, 0 B
usage: 0 B used, 0 B / 0 B avail
pgs:
cat /etc/pve/ceph.conf
[global]
auth_client_required = cephx
auth_cluster_required = cephx
auth_service_required = cephx
cluster_network = 10.112.200.0/24
fsid = 92d063d7-647c-44b8-95d7-86057ee0ab22
mon_allow_pool_delete = true
mon_host = 10.100.200.141 10.100.200.142 10.100.200.143
osd_pool_default_min_size = 2
osd_pool_default_size = 3
public_network = 10.100.200.0/24
[client]
keyring = /etc/pve/priv/$cluster.$name.keyring
[mon.pve01]
public_addr = 10.100.200.141
[mon.pve02]
public_addr = 10.100.200.142
[mon.pve03]
public_addr = 10.100.200.143
Gerhard W. Recher
net4sec UG (haftungsbeschränkt)
Leitenweg 6
86929 Penzing
+49 8191 4283888
+49 171 4802507
Am 23.10.2020 um 13:50 schrieb Burkhard Linke:
Hi,
your mail is formatted in a way that makes it impossible to get all
information, so a number of questions first:
- are the mons up, or are the mon up and in a quorum? you cannot
change mon IP addresses without also adjusting them in the mon map.
use the daemon socket on the systems to qeury the current state of the
mons
- the osd systemd output is useless for debugging. it only states that
the osd is not running and not able to start
The real log files are located in /var/log/ceph/. If the mon are in
quorum, you should find more information here. Keep in mind that you
also need to change ceph.conf on the OSD hosts if you change the mon
IP addresses, otherwise the OSDs won't be able to find the mon and the
processes will die.
And I do not understand how corosync should affect your ceph cluster.
Ceph does not use corosync...
If you need fast help I can recommend the ceph irc channel ;-)
Regards,
Burkhard
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