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温柔停止ceph; c# R( S& \$ R" E+ R* z. l; i
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。
8 X9 H( ]' C3 o8 Yceph osd set noout
1 D, k) u- u' l5 g/ ]2 s K: Q9 Xceph osd set nobackfill
2 G, f S5 c5 s6 ]9 r q+ oceph osd set norecover
' K+ }. N- }9 E# ]/ usystemctl stop ceph-mgr.target @4 p S1 G) R1 T+ L5 P; \- R5 _
systemctl stop ceph-mds.target1 B/ e; H6 o- T9 ~( V9 n
systemctl stop ceph-mon.target4 g X( K1 E. x
systemctl stop ceph-radosgw.target + O3 u# I+ J& ]) D* T$ A! c
systemctl stop ceph-osd.target - X" J$ b; w8 x, w
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发表于 2021-7-5 15:00:06