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温柔停止ceph/ D+ `5 n; W6 P2 n0 ]8 w
需要停机维护时，ceph一定要正常停止服务，尽量避免强制关机，拔电源等骚操作，物理机确认正常后再启动ceph，避免重复启动osd。
o: L/ P9 s' g5 W1 \3 p3 L7 Qceph osd set noout' g; l' f* R5 V8 U# b
ceph osd set nobackfill
( y! M/ S: f( `1 P( Eceph osd set norecover 9 N) L5 M) I. D1 I" d: }$ o7 C
systemctl stop ceph-mgr.target . [' F' h- r) i- t6 f
systemctl stop ceph-mds.target
* X3 ]! U$ Q* v7 [: c4 hsystemctl stop ceph-mon.target9 c6 e3 }$ [7 w! s0 F" }
systemctl stop ceph-radosgw.target * h. A' B+ O! b, d2 p% ]
systemctl stop ceph-osd.target
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发表于 2021-7-5 15:00:06