CephFS client df command showing raw space after adding second pool to mds

[David C <dcsysengineer@xxxxxxxxx>]

Hi All

Luminous 12.2.12

Single MDS

Replicated pools

A 'df' on a CephFS kernel client used to show me the usable space (i.e the raw space with the replication overhead applied). This was when I just had a single cephfs data pool.

After adding a second pool to the mds and using file layouts to map a directory to that pool, a df is now showing the raw space. It's not the end of the world but was handy to see the usable space.

I'm fairly sure the change was me adding the second pool although I'm not 99% sure.

I'm seeing this behavior on the latest Centos 7.6 kernel and a 4.14 kernel, is this expected?

Thanks,

David

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