ceph 分布式存储mon服务无法正常启动急救过程

admin

首先收集mon信息
: [, h, b. C: H% j1 j! P" z1 p创建一个mon临时文件夹收集信息（在第一个节点上）

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cephadm bootstrap --mon-ip 10.12.1.2 --fsid ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9  --allow-overwrite
% ^1 Y5 B. J5 y' {0 \2 @3 R8 aVerifying podman|docker is present...
- o" s, q/ b/ x2 N1 {8 BVerifying lvm2 is present...
$ V- w8 B) C% B; i6 z; b& ]. zVerifying time synchronization is in place...
Unit chronyd.service is enabled and running
8 j! S4 o  `+ `Repeating the final host check...
8 J/ E6 ~. }: X" Cpodman|docker (/usr/bin/podman) is present
systemctl is present
lvcreate is present
Unit chronyd.service is enabled and running
( e2 {# @- c- K5 `+ A8 yHost looks OK
: M( Q9 t, E/ F8 p5 ^( d) F# z  A+ vCluster fsid: ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9
Verifying IP 10.12.1.2 port 3300 ...
Verifying IP 10.12.1.2 port 6789 ...
Mon IP 10.12.1.2 is in CIDR network 10.12.0.0/15
Pulling container image quay.io/ceph/ceph:v15...
7 V; |3 f- t6 B4 `' E. vExtracting ceph user uid/gid from container image...
Creating initial keys...
Creating initial monmap...
Creating mon...
7 n* I3 O  e1 @7 a- R; XWaiting for mon to start...
2 d5 S* B1 b4 K# d4 G0 ?; @3 WWaiting for mon...
, B( Z5 s/ P7 T" A) L. p/usr/bin/ceph: timeout after 60 seconds
Non-zero exit code -9 from /usr/bin/podman run --rm --ipc=host --net=host --entrypoint /usr/bin/ceph -e CONTAINER_IMAGE=quay.io/ceph/ceph:v15 -e NODE_NAME=gm268-1 -v /var/lib/ceph/ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9/mon.gm268-1:/var/lib/ceph/mon/ceph-gm268-1:z -v /tmp/ceph-tmp0_riv0ag:/etc/ceph/ceph.client.admin.keyring:z -v /tmp/ceph-tmpas_60296:/etc/ceph/ceph.conf:z quay.io/ceph/ceph:v15 status
mon not available, waiting (1/10)...
/usr/bin/ceph: timeout after 60 seconds
- y7 n5 W7 N8 F8 G/ p/ F2 vNon-zero exit code -9 from /usr/bin/podman run --rm --ipc=host --net=host --entrypoint /usr/bin/ceph -e CONTAINER_IMAGE=quay.io/ceph/ceph:v15 -e NODE_NAME=gm268-1 -v /var/lib/ceph/ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9/mon.gm268-1:/var/lib/ceph/mon/ceph-gm268-1:z -v /tmp/ceph-tmp0_riv0ag:/etc/ceph/ceph.client.admin.keyring:z -v /tmp/ceph-tmpas_60296:/etc/ceph/ceph.conf:z quay.io/ceph/ceph:v15 status
mon not available, waiting (2/10)...
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admin

这个方法危险系数比较大，慎用。最好采用https://www.bbs168x.cn/forum.php ... p;tid=2944#lastpost最好采用这个里面的方法去做安全点。至少不会出现丢数据的情况。