Have you tried “rmdir” instead of “rm -rf”? Jan
> On 08 Jul 2015, at 19:17, Eric Eastman <[email protected]> wrote: > > Hi, > > I have created a ceph file system on a cluster running ceph v9.0.1 and have > enable snapshots with the command: > > ceph mds set allow_new_snaps true --yes-i-really-mean-it > > On the top level of the ceph file system, I can cd into the hidden .snap > directory and I can create new directories with the mkdir command. I can cd > into the newly created snap directory and can read the files under it. > > I cannot delete any snapshots. It reports a Read-only file system when I use > the rm -rf command: > > /cephfs/.snap$ sudo rm -rf snap3 > rm: cannot remove > ‘snap3/m/ede-c1-cent66-01/2015-07-07_17_28_56/1/2009/month_10/day_1/hour_1/data_file.1’: > Read-only file system > rm: cannot remove > ‘snap3/m/ede-c1-cent66-01/2015-07-07_17_28_56/1/2009/month_10/day_1/hour_1/data_file.10’: > Read-only file system > rm: cannot remove > ‘snap3/m/ede-c1-cent66-01/2015-07-07_17_28_56/1/2009/month_10/day_1/hour_1/data_file.100’: > Read-only file system > … > > I have tried this test with both the kernel driver and the fuse interface. My > ceph file system clients are based on Ubuntu 14.04 using ceph v9.0.1 and the > 4.1.0 Linux kernel. > > The exact kernel is: > Linux version 4.1.0-040100-generic (kernel@gomeisa) (gcc version 4.6.3 > (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201506220235 SMP Mon Jun 22 06:36:19 UTC > 2015 > > ceph -v > ceph version 9.0.1 (997b3f998d565a744bfefaaf34b08b891f8dbf64) > > I have also tried to remove .snap sub-directories in a directory 1 below the > mount point, and that failed the same way as shown: > > # pwd > cephfs/top1/.snap > # ls > _snap1_1 _snap2_1 _snap3_1 top1snap > # rm -rf top1snap/ > rm: cannot remove ‘top1snap/10gb.dat’: Read-only file system > rm: cannot remove ‘top1snap/10gb.dat-1’: Read-only file system > rm: cannot remove ‘top1snap/one.txt’: Read-only file system > > Should this work? > > Thanks, > > Eric > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
