Part II Cluster Operation #
- 12 Determine the cluster state
When you have a running cluster, you may use the
ceph
tool to monitor it. Determining the cluster state typically involves checking the status of Ceph OSDs, Ceph Monitors, placement groups, and Metadata Servers.- 13 Operational tasks
To modify the configuration of an existing Ceph cluster, follow these steps:
- 14 Operation of Ceph services
You can operate Ceph services on a daemon, node, or cluster level. Depending on which approach you need, use cephadm or the
systemctl
command.- 15 Backup and restore
This chapter explains which parts of the Ceph cluster you should back up in order to be able to restore its functionality.
- 16 Monitoring and alerting
In SUSE Enterprise Storage 7.1, cephadm deploys a monitoring and alerting stack. Users need to either define the services (such as Prometheus, Alertmanager, and Grafana) that they want to deploy with cephadm in a YAML configuration file, or they can use the CLI to deploy them. When multiple services…