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Chapter 6. Monitoring and managing upgrade of the storage cluster
After running the ceph orch upgrade start command to upgrade the Red Hat Ceph Storage cluster, you can check the status, pause, resume, or stop the upgrade process. The health of the cluster changes to HEALTH_WARNING during an upgrade. If the host of the cluster is offline, the upgrade is paused.
You have to upgrade one daemon type after the other. If a daemon cannot be upgraded, the upgrade is paused.
Prerequisites
- A running Red Hat Ceph Storage cluster 5.
- Root-level access to all the nodes.
- At least two Ceph Manager nodes in the storage cluster: one active and one standby.
- Upgrade for the storage cluster initiated.
Procedure
Determine whether an upgrade is in process and the version to which the cluster is upgrading:
Example
[ceph: root@node0 /]# ceph orch upgrade statusNoteYou do not get a message once the upgrade is successful. Run
ceph versionsandceph orch pscommands to verify the new image ID and the version of the storage cluster.Optional: Pause the upgrade process:
Example
[ceph: root@node0 /]# ceph orch upgrade pauseOptional: Resume a paused upgrade process:
Example
[ceph: root@node0 /]# ceph orch upgrade resumeOptional: Stop the upgrade process:
Example
[ceph: root@node0 /]# ceph orch upgrade stop
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