Hi Frank, I guess there is alway the possibility to set quota on pool level with "target_max_objects" and “target_max_bytes” The cephfs quotas through attributes are only for sub-directories as far as I recall. Best, Jesper -------------------------- Jesper Lykkegaard Karlsen Scientific Computing Centre for Structural Biology Department of Molecular Biology and Genetics Aarhus University Universitetsbyen 81 8000 Aarhus C E-mail: jelka@xxxxxxxxx Tlf: +45 50906203 > On 28 Jul 2022, at 17.22, Frank Schilder <frans@xxxxxx> wrote: > > Hi Gregory, > > thanks for your reply. It should be possible to set a quota on the root, other vattribs can be set as well despite it being a mount point. There must be something on the ceph side (or another bug in the kclient) preventing it. > > By the way, I can't seem to find cephfs-tools like cephfs-shell. I'm using the image quay.io/ceph/ceph:v15.2.16 and its not installed in the image. A "yum provides cephfs-shell" returns no candidate and I can't find installation instructions. Could you help me out here? > > Thanks and best regards, > ================= > Frank Schilder > AIT Risø Campus > Bygning 109, rum S14 > > ________________________________________ > From: Gregory Farnum <gfarnum@xxxxxxxxxx> > Sent: 28 July 2022 16:59:50 > To: Frank Schilder > Cc: ceph-users@xxxxxxx > Subject: Re: cannot set quota on ceph fs root > > On Thu, Jul 28, 2022 at 1:01 AM Frank Schilder <frans@xxxxxx> wrote: >> >> Hi all, >> >> I'm trying to set a quota on the ceph fs file system root, but it fails with "setfattr: /mnt/adm/cephfs: Invalid argument". I can set quotas on any sub-directory. Is this intentional? The documentation (https://docs.ceph.com/en/octopus/cephfs/quota/#quotas) says >> >>> CephFS allows quotas to be set on any directory in the system. >> >> Any includes the fs root. Is the documentation incorrect or is this a bug? > > I'm not immediately seeing why we can't set quota on the root, but the > root inode is special in a lot of ways so this doesn't surprise me. > I'd probably regard it as a docs bug. > > That said, there's also a good chance that the setfattr is getting > intercepted before Ceph ever sees it, since by setting it on the root > you're necessarily interacting with a mount point in Linux and those > can also be finicky...You could see if it works by using cephfs-shell. > -Greg > > >> >> Best regards, >> ================= >> Frank Schilder >> AIT Risø Campus >> Bygning 109, rum S14 >> _______________________________________________ >> ceph-users mailing list -- ceph-users@xxxxxxx >> To unsubscribe send an email to ceph-users-leave@xxxxxxx >> > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx
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