Milind Changire <mchangir@xxxxxxxxxx> wrote: > On Mon, Aug 7, 2023 at 1:32 PM caskd <caskd@xxxxxxxxx> wrote: > > > > Hello everyone, > > > > I've been trying to use CephFS and mix it together with fscache, however i was never able to have multiple mounts with fscache enabled. > > Is this a known intentional limitation or a bug? > > It would be possible to work around it by mounting the root of the filesystem and using bind mounts but i have separate volumes that need to be separately mounted. > > > > How to replicate: > > mount -t ceph -o fsc admin@.filesystem1=/path1 /tmp/one # Succeeds > > mount -t ceph -o fsc admin@.filesystem1=/path2 /tmp/two # Fails complaining about no mds being available > > You could try using -o fsc=<unique-tag> in the command-line to see if > that helps with mounting different cephfs paths > The <unique-tag> helps differentiate different mounts with the same fsid. Oh wow, that does indeed work. Thank you. I cannot seem to find any documentation regarding this option so it would probably be great to add this somewhere. > > > > The alternative of using no fscache works just fine: > > mount -t ceph admin@.filesystem1=/path1 /tmp/one # Succeeds > > mount -t ceph admin@.filesystem1=/path2 /tmp/two # Succeeds > > > > Versions: > > - ceph quincy 17.2.6 > > - linux 6.4.6 > > - cachefilesd 0.10.10 > > > > -- > > Alex D. > > RedXen System & Infrastructure Administration > > https://redxen.eu/ > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx > > To unsubscribe send an email to ceph-users-leave@xxxxxxx -- Alex D. RedXen System & Infrastructure Administration https://redxen.eu/
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