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Ceph Cookbook - Second Edition by Karan Singh, Michael Hackett, Vikhyat Umrao

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Checking the cluster's status

Checking the cluster's status is the most common and the most frequent operation when managing a Ceph cluster. You can check the status of your cluster using the ceph command and status as the option:

# ceph status

Instead of the status subcommand, you can also use a shorter version, -s, as an option:

# ceph -s

The following screenshot shows the status of our cluster:

This command will dump a lot of useful information for your Ceph cluster:

  • cluster: This command represents the Ceph unique cluster ID.
  • health: This command shows the cluster health.
  • monmap: This command represents the monitor map epoch version, ...

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