On Mon, Apr 5, 2021 at 1:33 PM Jeff Layton <jlayton@xxxxxxxxxx> wrote: > > On Thu, 2021-04-01 at 11:04 +0200, Dan van der Ster wrote: > > If one kernel mounts the > > same cephfs several times (with different prefixes), we observed that > > this is a unique client session. But does the ceph module globally > > share a single copy of cluster metadata, e.g. osdmaps, or is that all > > duplicated per session? > > > > One copy per-cluster client, which should generally be shared between > mounts to the same cluster, provided that you're using similar-enough > mount options for the kernel to do that. I suspect the problem is that if these are coming from mgr/volumes, then each mount has a unique cephx user (and a client cap that locks them into the exported directory), which means that the client instances can't be shared. sage _______________________________________________ Dev mailing list -- dev@xxxxxxx To unsubscribe send an email to dev-leave@xxxxxxx