On Wed, 2024-05-22 at 10:33 +0200, Aaron Lauterer wrote: > Signed-off-by: Aaron Lauterer <a.laute...@proxmox.com> > --- > changes since v1: > * incorporated suggested changes in phrasing to fix grammar and > distinguish the steps on how to power down the nodes better > > pveceph.adoc | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 50 insertions(+) > > diff --git a/pveceph.adoc b/pveceph.adoc > index 089ac80..04bf462 100644 > --- a/pveceph.adoc > +++ b/pveceph.adoc > @@ -1080,6 +1080,56 @@ scrubs footnote:[Ceph scrubbing > {cephdocs-url}/rados/configuration/osd-config-re > are executed. > > > +[[pveceph_shutdown]] > +Shutdown {pve} + Ceph HCI cluster > +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > + > +To shut down the whole {pve} + Ceph cluster, first stop all Ceph clients. > This Rather s/This/These/ ?
> +will mainly be VMs and containers. If you have additional clients that might > +access a Ceph FS or an installed RADOS GW, stop these as well. > +Highly available guests will switch their state to 'stopped' when powered > down > +via the {pve} tooling. > + > +Once all clients, VMs and containers are off or not accessing the Ceph > cluster > +anymore, verify that the Ceph cluster is in a healthy state. Either via the > Web UI > +or the CLI: > + > +---- > +ceph -s > +---- > + > +Then enable the following OSD flags in the Ceph -> OSD panel or the CLI: For style consistency: **Ceph -> OSD panel** Maybe: s/or the CLI/or via CLI/ > + > +---- > +ceph osd set noout > +ceph osd set norecover > +ceph osd set norebalance > +ceph osd set nobackfill > +ceph osd set nodown > +ceph osd set pause Maybe sort alphabetically as in the UI. > +---- > + > +This will halt all self-healing actions for Ceph and the 'pause' will stop > any client IO. Perhaps state the goal/result beforehand, e.g.: Then enable the following OSD flags in the **Ceph -> OSD panel** or via CLI, which halt all self-healing actions for Ceph and 'pause' any client IO: > + > +Start powering down your nodes without a monitor (MON). After these nodes are > +down, continue shutting down hosts with monitors on them. Since the continuation is not meant/true for "hosts with monitors": s/continue/continue by/ Maybe: s/hosts/nodes/ > + > +When powering on the cluster, start the nodes with Monitors (MONs) first. > Once s/Monitors/monitors/ > +all nodes are up and running, confirm that all Ceph services are up and > running > +before you unset the OSD flags: Maybe stay with either enable/disable or set/unset. s/flags:/flags again:/ > + > +---- > +ceph osd unset noout > +ceph osd unset norecover > +ceph osd unset norebalance > +ceph osd unset nobackfill > +ceph osd unset nodown > +ceph osd unset pause Above mentioned sorting. > +---- > + > +You can now start up the guests. Highly available guests will change their > state > +to 'started' when they power on. > + > Ceph Monitoring and Troubleshooting > ----------------------------------- > _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel