it is better to stop the clients who writes to ceph cluster prior to turning of the cluster i might be stating the obvious if this is openstack cluster who uses the ceph cluster -> Shif the client to write to replicated cluster , or divert the traffic to a replicated site. the same for k8s cluster בתאריך יום ד׳, 11 באוג׳ 2021 ב-11:31 מאת Eugen Block <eblock@xxxxxx >: > Hi, > > there's plenty of information available online, e.g. the Red Hat docs > [1], mailing list threads [2]. > > [1] > > https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/4/html/administration_guide/understanding-process-management-for-ceph#powering-down-and-rebooting-a-red-hat-ceph-storage-cluster_admin > [2] > http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-April/017378.html > > > Zitat von huxiaoyu@xxxxxxxxxxxx: > > > Dear Cepher， > > > > 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? > > > > Any suggestions, comments would be highly appreciated > > > > best regards, > > > > samuel > > > > > > > > > > huxiaoyu@xxxxxxxxxxxx > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx > > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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