Re: How to safely turn off a ceph cluster

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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
>
>
>
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>
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