On Fri, Nov 18, 2022 at 12:51 PM Frank Schilder <frans@xxxxxx> wrote:
>
> Hi Patrick,
>
> thanks! I did the following but don't know how to interpret the result. The three directories we have ephemeral pinning set are:
>
> /shares
> /hpc/home
> /hpc/groups
I assume you mean "distributed ephemeral pinning"?
> If I understand the documentation correctly, everything under /hpc/home/user should be on the same MDS. Trying it out I get (user-name obscured):
>
> # for mds in $(bin/active_mds); do
> echo -n "${mds}: "
> ceph tell mds.$mds get subtrees | grep '"/hpc/home/user' | wc -l
> done 2>/dev/null
> ceph-13: 14
> ceph-16: 2
> ceph-14: 2
> ceph-08: 14
> ceph-17: 0
> ceph-11: 6
> ceph-12: 14
> ceph-10: 14
>
> Its all over the place. Could you please help me with how I should interpret this?
Please share the version you're using. "/hpc/home/user" should not
show up in the subtree output. If possible, can you privately share
with me the output of:
- `ceph versions`
- `ceph fs dump`
- `get subtrees` on each active MDS
- `dump tree /hpc/home 0` on each active MDS
Feel free to anonymize path strings as desired.
--
Patrick Donnelly, Ph.D.
He / Him / His
Principal Software Engineer
Red Hat, Inc.
GPG: 19F28A586F808C2402351B93C3301A3E258DD79D
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