Hi Eugen,

On Wed, Oct 29, 2025 at 4:29 PM Eugen Block <eblock@nde.ag> wrote:
>
> Hi,
>
> could you add more details what exactly happened? I tried to reproduce
> by simply removing the entire directory within a subvolume group, but
> I still see the getpath output. Obviously, I'm doing something
> differently here.

The path is taken from the subvolume metadata file. If you remove
that, you would see something similar (warning: don't do it on prod).

>
> Thanks,
> Eugen
>
> Zitat von Steven Vacaroaia <stef97@gmail.com>:
>
> > Hi,
> >
> > I have a cephfs subvolume ( out of 4)  with " mount path missing " issue
> > I think a user deleted it as it look different than regular data  to him/her
> >
> > I am mounting at the group level so all subgroups are available under
> > same path
> >
> > How concerned should I be ?
> > Is there a way to recreate path on a cephfs subvolume ?
> > what are my options for fixing it ?
> >
> > Please find below details
> >
> > Mounting
> > /volumes/projects       /projects/cephfs
> >
> > Cephfs status
> > ceph fs status project_ec_ssd
> > project_ec_ssd - 139 clients
> > ==============
> > RANK  STATE                  MDS                    ACTIVITY     DNS
> >  INOS   DIRS   CAPS
> >  0    active  project_ec_ssd.ceph-host-5.henbit  Reqs:    0 /s  6198k
> >  6054k  1645k   107k
> >  1    active  project_ec_ssd.ceph-host-7.emayje  Reqs:    0 /s   194    197
> >    340    629
> >  2    active  project_ec_ssd.ceph-host-3.qebqlz  Reqs:    0 /s   192    196
> >    339    644
> >  3    active  project_ec_ssd.ceph-host-1.bwtdlt  Reqs:    0 /s   196    199
> >    338    729
> >  4    active  project_ec_ssd.ceph-host-4.xsoerf  Reqs:    0 /s   196    200
> >    339     93
> >       POOL         TYPE     USED  AVAIL
> > metadata_fs_ssd  metadata  18.0G  92.8T
> >  ssd_ec_project    data     183T   241T
> >
> >
> > ceph fs subvolumegroup ls project_ec_ssd
> > [
> >     {
> >         "name": "projects"
> >     }
> > ]
> >
> > ceph fs subvolume ls project_ec_ssd --group_name projects
> > [
> >     {
> >         "name": "systems_archive"
> >     },
> >     {
> >         "name": "arescore_moved"
> >     },
> >     {
> >         "name": "alphacore_moved"
> >     },
> >     {
> >         "name": "schematics"
> >     }
> > ]
> >
> > ceph fs subvolume getpath project_ec_ssd alphacore_moved --group_name
> > projects
> > Error ENOENT: mount path missing for subvolume 'alphacore_moved'
> >
> >
> > ceph fs subvolume getpath project_ec_ssd arescore_moved --group_name
> > projects
> > /volumes/projects/arescore_moved/ff576e35-2363-4e25-aa7a-e4a81693ab20
> >
> > Many thanks
> > Steven
> > _______________________________________________
> > ceph-users mailing list -- ceph-users@ceph.io
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>
>
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>


--
Cheers,
Venky
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