1、报错一
[root@ct ceph]# ceph -s
cluster:
id: dfb110f9-e0e0-4544-9f13-9141750ee9f6
health: HEALTH_WARN
Degraded data redundancy: 192 pgs undersized
services:
mon: 3 daemons, quorum ct,c1,c2
mgr: ct(active), standbys: c2, c1
osd: 2 osds: 2 up, 2 in
data:
pools: 3 pools, 192 pgs
objects: 0 objects, 0 B
usage: 2.0 GiB used, 2.0 TiB / 2.0 TiB avail
pgs: 102 active+undersized
90 stale+active+undersized
查看obs状态，c2没有连接上
[root@ct ceph]# ceph osd status
+----+------+-------+-------+--------+---------+--------+---------+-----------+
| id | host | used | avail | wr ops | wr data | rd ops | rd data | state |
+----+------+-------+-------+--------+---------+--------+---------+-----------+
| 0 | ct | 1026M | 1022G | 0 | 0 | 0 | 0 | exists,up |
| 1 | c1 | 1026M | 1022G | 0 | 0 | 0 | 0 | exists,up |
+----+------+-------+-------+--------+---------+--------+---------+-----------+解决方法：
在c2重启osd即可解决[root@c2 ~]# systemctl restart ceph-osd.target
2、报错二
[root@ct ceph]# ceph -s
cluster:
id: 44d72edb-4085-4cfc-8652-eb670472f169
health: HEALTH_WARN
clock skew detected on mon.c1, mon.c2
services:
mon: 3 daemons, quorum ct,c1,c2
mgr: c1(active), standbys: c2, ct
osd: 3 osds: 1 up, 1 in
data:
pools: 0 pools, 0 pgs
objects: 0 objects, 0 B
usage: 1.0 GiB used, 1023 GiB / 1024 GiB avail
pgs: 解决方法：
（1）控制节点重启NTP服务[root@ct ceph]# systemctl restart ntpd
（2）计算节点重新同步控制节点时间[root@c2 ~]# ntpdate 192.168.100.10
（3）在控制节点重启mon服务[root@ct ceph]# systemctl restart ceph-mon.target
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