On Wed, Sep 4, 2019 at 12:24 PM Remi Gauvin <remi@xxxxxxxxxxxxxx> wrote: > > On 2019-09-04 1:36 p.m., Chris Murphy wrote: > > >> > > > > I don't really know how snapper works. > > > > The way 'btrfs subvolume snapshot' works, you must point it to a > > subvolume. It won't snapshot a regular directory and from what you > > posted above, there are no subvolumes in /var or /var/lib which means > > trying to snapshot /var/lib/ceph/osd/ceph-.... would fail. So maybe > > it's failing but snapper doesn't show the error. I'm not really sure. > > > > In this case, his snapshots are all of the root. > > I don't know how Ceph works, but since we already confirmed that there > are no subvolumes under /var, the only other explanation is that > /var/lib/ceph/osd/ceph-<n> is a submount > > What is the the result of running: > mount | grep /var > Yep. -- Chris Murphy
