How to check which directory has ephemeral pinning set?

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Hi all,

I believe I enabled ephemeral pinning on a home dir, but I can't figure out how to check that its working. Here is my attempt:

Set the flag:
# setfattr -n ceph.dir.pin.distributed -v 1 /mnt/admin/cephfs/hpc/home

Try to read it:
# getfattr -n ceph.dir.pin.distributed  /mnt/admin/cephfs/hpc/home
/mnt/admin/cephfs/hpc/home: ceph.dir.pin.distributed: No such attribute

Hmm. ???

Well, at least the first command might have done something, because this fails:
# setfattr -n ceph.dir.pin.distrid -v 1 /mnt/admin/cephfs/hpc/groups
setfattr: /mnt/admin/cephfs/hpc/groups: Invalid argument

What is the right way to confirm its working?

Thanks and best regards,
=================
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
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