Dear everyone,
I have several questions regarding CephFS connected to Namespaces,
Subvolumes and snapshot Mirroring:
*1. How to display/create namespaces used for isolating subvolumes?*
I have created multiple subvolumes with the option
--namespace-isolated, so I was expecting to see the namespaces returned from
ceph fs subvolume info <volume_name> <subvolume_name>
also returned by
rbd namespace ls <cephfs_data_pool> --format=json
But the latter command just returns an empty list. Are the
namespaces used for rdb and CephFS different ones?
*2. Can CephFS Snapshot mirroring also be applied to subvolumes?*
I tried this, but without success. Is there something to take into
account rather than just mirroring the directory, or is it just not
possible right now?
*3. Can xattr for namespaces and pools also be mirrored?*
Or more specifically, is there a way to preserve the namespace and
pool layout of mirrored directories?
Thank you for your help!
Best regrads,
Jonas
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