The file system was created on luminous and the problems started after upgrading from luminous to nautilus. All CephFS configuration should be pretty much default except i enabled snapshots which was disabled by default on luminous.
On Tue, Oct 29, 2019 at 11:48 AM Kári Bertilsson <karibert...@gmail.com> wrote: > All clients are using the kernel client on proxmox kernel > version 5.0.21-3-pve. > > The mds logs are not showing anything interesting and have very little in > them except for the restarts, maybe i need to increase debug level ? > > On Tue, Oct 29, 2019 at 6:33 AM Lars Täuber <taeu...@bbaw.de> wrote: > >> Hi! >> >> What kind of client (kernel vs. FUSE) do you use? >> I experience a lot of the following problems with the most recent ubuntu >> 18.04.3 kernel 4.15.0-66-generic : >> kernel: [260144.644232] cache_from_obj: Wrong slab cache. inode_cache but >> object is from ceph_inode_info >> >> Other clients with older kernels (e.g. 4.15.0-47-generic) work without >> interruption on the same CephFS. >> >> >> Lars >> >> >> Mon, 28 Oct 2019 22:10:25 +0000 >> Kári Bertilsson <karibert...@gmail.com> ==> Patrick Donnelly < >> pdonn...@redhat.com> : >> > Any ideas or tips on how to debug further ? >> > >> > On Mon, Oct 28, 2019 at 7:17 PM Kári Bertilsson <karibert...@gmail.com> >> > wrote: >> > >> > > Hello Patrick, >> > > >> > > Here is output from those commands >> > > https://pastebin.com/yUmuQuYj >> > > >> > > 5 clients have the file system mounted, but only 2 of them have most >> of >> > > the activity. >> > > >> > > >> > > >> > > On Mon, Oct 28, 2019 at 6:54 PM Patrick Donnelly <pdonn...@redhat.com >> > >> > > wrote: >> > > >> > >> Hello Kári, >> > >> >> > >> On Mon, Oct 28, 2019 at 11:14 AM Kári Bertilsson < >> karibert...@gmail.com> >> > >> wrote: >> > >> > This seems to happen mostly when listing folders containing 10k+ >> > >> folders. >> > >> > >> > >> > The dirlisting hangs indefinitely or until i restart the active >> MDS and >> > >> then the hanging "ls" command will finish running. >> > >> > >> > >> > Every time restarting the active MDS fixes the problem for a >> while. >> > >> >> > >> Please share details about your cluster. `fs dump`, `ceph status`, >> and >> > >> `ceph versions`. How many clients are using the file system? >> > >> >> > >> -- >> > >> Patrick Donnelly, Ph.D. >> > >> He / Him / His >> > >> Senior Software Engineer >> > >> Red Hat Sunnyvale, CA >> > >> GPG: 19F28A586F808C2402351B93C3301A3E258DD79D >> > >> >> > >> >> >> >> -- >> Informationstechnologie >> Berlin-Brandenburgische Akademie der Wissenschaften >> Jägerstraße 22-23 10117 Berlin >> Tel.: +49 30 20370-352 http://www.bbaw.de >> _______________________________________________ >> ceph-users mailing list -- ceph-users@ceph.io >> To unsubscribe send an email to ceph-users-le...@ceph.io >> >
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