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Proxmox Cookbook by Wasim Ahmed

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Ceph commands

In this section, we will look at commands for performing various tasks for a Ceph cluster in Proxmox.

How to do it…

The following steps demonstrate the commands used to perform certain tasks for a Ceph cluster:

  1. Use the following command to check the Ceph cluster's health summary:
    # ceph –s
    

    The following screenshot shows our example Ceph cluster with a warning:

    How to do it…
  2. Use the following command to check the Ceph cluster's health details with errors:
    # ceph health detail
    

    The following screenshot shows the warning details that tell us whether or not one of the OSDs is experiencing any problems:

  3. Use the following command to see an OSD map:
    # ceph osd ...

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