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
+ ?0 Q# Q+ @7 e& J" o! I& v创建一个mon临时文件夹收集信息（在第一个节点上）
  l& x; p* X8 A% \. w2 ?' B
$ S4 E: E: J' |
cephadm bootstrap --mon-ip 10.12.1.2 --fsid ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9  --allow-overwrite
- X2 U# p$ D+ T! K, C. X7 e1 GVerifying podman|docker is present...
Verifying lvm2 is present...
6 G! u( t# g7 }& r$ MVerifying time synchronization is in place...
% C4 k* F4 b) S' R( c+ }  {: yUnit chronyd.service is enabled and running
Repeating the final host check...
2 D7 l/ e. x: ?3 z! j8 _' p4 Ipodman|docker (/usr/bin/podman) is present
6 E0 {3 j' W5 Q* x! ?: ^2 |systemctl is present
lvcreate is present
! J+ E, A8 V- ]; t$ H6 n. kUnit chronyd.service is enabled and running
Host looks OK
Cluster fsid: ce68aab8-8f46-11ed-88c0-ac1f6b3a30b9
; O" p& f6 f+ aVerifying IP 10.12.1.2 port 3300 ...
! Y' S+ H4 t3 r2 OVerifying IP 10.12.1.2 port 6789 ...
- d9 l$ [  U$ c& KMon IP 10.12.1.2 is in CIDR network 10.12.0.0/15
Pulling container image quay.io/ceph/ceph:v15...
Extracting ceph user uid/gid from container image...
; L- Z. s4 z9 h% Z' Y9 aCreating initial keys...
/ Y4 z" C5 Y/ m7 A* P/ d3 zCreating initial monmap...
Creating mon...
$ u- w3 w0 _3 b( s1 PWaiting for mon to start...
Waiting for mon...
4 \0 d1 u, l3 I. h8 a/usr/bin/ceph: timeout after 60 seconds
- b7 ]+ H4 o# m% y8 QNon-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
* W+ D) Y% v9 A, N8 A! WNon-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)...

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。