On Tue, Jan 30, 2018 at 12:50 AM, Paul Kunicki <pkunicki@xxxxxxxxxxxxxx> wrote: > I know that snapshots on Cephfs are experimental and that a known > issue exists with multiple filesystems on one pool but I was surprised > at the result of the following: > > I attempted to take a snapshot of a directory in a pool with a single > fs on our properly configured Luminous cluster. I found that the files > in the the .snap directory that I had just updated in order to test a > restore were unreadable if opened with and editor like VI or simply > were identical to the current version of the file when copied back > making the whole snapshot operation unusable. Can you be more specific: what does "unreadable" mean? An IO error? A blank file? A step-by-step reproducer would be helpful, doing `cat`s and `echo`s to show what you're putting in and what's coming out. John > > I considered the whole method of taking a snapshot to be very > straightforward but perhaps I am doing something wrong or is this > behavior to be expected ? > > Thanks. > > > > > Paul Kunicki > Systems Manager > SproutLoud Media Networks, LLC. > 954-476-6211 ext. 144 > pkunicki@xxxxxxxxxxxxxx > www.sproutloud.com > > • • • > > > > The information contained in this communication is intended solely for > the use of the individual or entity to whom it is addressed and for > others authorized to receive it. It may contain confidential or > legally privileged information. If you are not the intended recipient, > you are hereby notified that any disclosure, copying, distribution, or > taking any action in reliance on these contents is strictly prohibited > and may be unlawful. In the event the recipient or recipients of this > communication are under a non-disclosure agreement, any and all > information discussed during phone calls and online presentations fall > under the agreements signed by both parties. If you received this > communication in error, please notify us immediately by responding to > this e-mail. > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com