Re: How to safely turn off a ceph cluster

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Hi,

On 11.08.21 10:02, huxiaoyu@xxxxxxxxxxxx wrote:

> We are informed that the power supply of one 10-node ceph cluster will be cut off for a period of maintenance time. Is there a ceph command to put Ceph in a maintenace status, so that I can safely turn off each node of Ceph cluster?

ceph osd set noout

and after the cluster has been booted again and every OSD joined:

ceph osd unset noout

Regards
-- 
Robert Sander
Heinlein Support GmbH
Schwedter Str. 8/9b, 10119 Berlin

https://www.heinlein-support.de

Tel: 030 / 405051-43
Fax: 030 / 405051-19

Amtsgericht Berlin-Charlottenburg - HRB 93818 B
Geschäftsführer: Peer Heinlein - Sitz: Berlin

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