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

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The cluster utilization statistics

To find out your cluster's space utilization statistics, use the ceph command with the df option. This command will show the total cluster size, the available size, the used size, and the percentage. This will also display the POOLS information, such as NAME, ID, utilization, and the number of objects in each pool:

# ceph df

The output is as follows:

Ceph df command output for checking cluster usage

 

ceph df gives us details of USED, %USED, and OBJECTS in the cluster for each pool, we do have ceph df detail command. If you add the detail switch in the ceph df command, it will give you RAW USED, QUOTA OBJECTS ...

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