ceph version 14.2.4 (75f4de193b3ea58512f204623e6c5a16e6c1e1ba) nautilus (stable)
os :CentOS Linux release 7.7.1908 (Core)
single node ceph cluster with 1 mon,1mgr,1 mds,1rgw and 12osds , but only cephfs is used.
ceph -s is blocked after shutting down the machine (192.168.0.104), then ip address changed to 192.168.1.6
I created the monmap with monmap tool and update the ceph.conf , hosts file and then start ceph-mon.
and the ceph-mon log:
...
2019-12-11 08:57:45.170 7f952cdac700 1 mon.ceph-node1@0(leader).mds e34 no beacon from mds.0.10 (gid: 4384 addr: [v2:192.168.0.104:6898/4084823750,v1:192.168.0.104:6899/4084823750] state: up:active) since 1285.14s
2019-12-11 08:57:50.170 7f952cdac700 1 mon.ceph-node1@0(leader).mds e34 no beacon from mds.0.10 (gid: 4384 addr: [v2:192.168.0.104:6898/4084823750,v1:192.168.0.104:6899/4084823750] state: up:active) since 1290.14s
2019-12-11 08:57:55.171 7f952cdac700 1 mon.ceph-node1@0(leader).mds e34 no beacon from mds.0.10 (gid: 4384 addr: [v2:192.168.0.104:6898/4084823750,v1:192.168.0.104:6899/4084823750] state: up:active) since 1295.14s
2019-12-11 08:58:00.171 7f952cdac700 1 mon.ceph-node1@0(leader).mds e34 no beacon from mds.0.10 (gid: 4384 addr: [v2:192.168.0.104:6898/4084823750,v1:192.168.0.104:6899/4084823750] state: up:active) since 1300.14s
2019-12-11 08:58:05.172 7f952cdac700 1 mon.ceph-node1@0(leader).mds e34 no beacon from mds.0.10 (gid: 4384 addr: [v2:192.168.0.104:6898/4084823750,v1:192.168.0.104:6899/4084823750] state: up:active) since 1305.14s
2019-12-11 08:58:10.171 7f952cdac700 1 mon.ceph-node1@0(leader).mds e34 no beacon from mds.0.10 (gid: 4384 addr: [v2:192.168.0.104:6898/4084823750,v1:192.168.0.104:6899/4084823750] state: up:active) since 1310.14s
2019-12-11 08:58:15.173 7f952cdac700 1 mon.ceph-node1@0(leader).mds e34 no beacon from mds.0.10 (gid: 4384 addr: [v2:192.168.0.104:6898/4084823750,v1:192.168.0.104:6899/4084823750] state: up:active) since 1315.14s
2019-12-11 08:58:20.173 7f952cdac700 1 mon.ceph-node1@0(leader).mds e34 no beacon from mds.0.10 (gid: 4384 addr: [v2:192.168.0.104:6898/4084823750,v1:192.168.0.104:6899/4084823750] state: up:active) since 1320.14s
2019-12-11 08:58:25.174 7f952cdac700 1 mon.ceph-node1@0(leader).mds e34 no beacon from mds.0.10 (gid: 4384 addr: [v2:192.168.0.104:6898/4084823750,v1:192.168.0.104:6899/4084823750] state: up:active) since 1325.14s
...
I changed IP back to 192.168.0.104 yeasterday, but all the same.
# cat /etc/ceph/ceph.conf
[client.libvirt]
admin socket = /var/run/ceph/$cluster-$type.$id.$pid.$cctid.asok # must be writable by QEMU and allowed by SELinux or AppArmor
log file = /var/log/ceph/qemu-guest-$pid.log # must be writable by QEMU and allowed by SELinux or AppArmor
[client.rgw.ceph-node1.rgw0]
host = ceph-node1
keyring = /var/lib/ceph/radosgw/ceph-rgw.ceph-node1.rgw0/keyring
log file = /var/log/ceph/ceph-rgw-ceph-node1.rgw0.log
rgw frontends = beast endpoint=192.168.1.6:8080
rgw thread pool size = 512
# Please do not change this file directly since it is managed by Ansible and will be overwritten
[global]
cluster network = 192.168.1.0/24
fsid = e384e8e6-94d5-4812-bfbb-d1b0468bdef5
mon host = [v2:192.168.1.6:3300,v1:192.168.1.6:6789]
mon initial members = ceph-node1
osd crush chooseleaf type = 0
osd pool default crush rule = -1
public network = 192.168.1.0/24
[osd]
osd memory target = 7870655146
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