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Description of problem: ====================== After mounting a snap volume, file creation is possible . Version-Release number of selected component (if applicable): ============================================================= glusterfs 3.4.0.snap.dec03.2013git How reproducible: ================ always Steps to Reproduce: ================== 1.Create a distribute replicate volume and start it 2.Mount the volume and create files 3.Create a snap of the volume gluster snapshot create volume1 -n SNAP1 -d "this is snap of volume1" snapshot create: SNAP1: snap created successfully 4. Mount the snap volume and create files mount -t glusterfs 10.70.43.74:/volume1/snaps/SNAP1 /mnt/snap_mnt/ [root@snapshot-02 snap_mnt]# touch file{4..10} [root@snapshot-02 snap_mnt]# ll total 2 -rw-r--r--. 1 root root 34 Dec 12 06:10 file1 -rw-r--r--. 1 root root 0 Dec 12 09:53 file10 -rw-r--r--. 1 root root 37 Dec 12 07:35 file2 -rw-r--r--. 1 root root 18 Dec 12 07:40 file3 -rw-r--r--. 1 root root 0 Dec 12 09:53 file4 -rw-r--r--. 1 root root 0 Dec 12 09:53 file5 -rw-r--r--. 1 root root 0 Dec 12 09:53 file6 -rw-r--r--. 1 root root 0 Dec 12 09:53 file7 -rw-r--r--. 1 root root 0 Dec 12 09:53 file8 -rw-r--r--. 1 root root 0 Dec 12 09:53 file9 Actual results: ============== file creation is successful on the snap volume Expected results: ================ Snap volume should be read only . Additional info:
Read only Translator was not inserted in server side. This issue is fixed in patch http://review.gluster.org/#/c/6694/
Verified with: glusterfs-3.4.1.0.snap.feb05.2014git-1.el6.x86_64 Creation of [root@wingo 1040934]# touch file{4..10} touch: cannot touch `file4': Read-only file system touch: cannot touch `file5': Read-only file system touch: cannot touch `file6': Read-only file system touch: cannot touch `file7': Read-only file system touch: cannot touch `file8': Read-only file system touch: cannot touch `file9': Read-only file system touch: cannot touch `file10': Read-only file system [root@wingo 1040934]# [root@wingo 1040934]# mkdir a mkdir: cannot create directory `a': Read-only file system [root@wingo 1040934]# [root@wingo 1040934]# cp hosts hosts.tmp cp: cannot create regular file `hosts.tmp': Read-only file system [root@wingo 1040934]# [root@wingo 1040934]# [root@wingo 1040934]# cp /etc/hosts hosts cp: overwrite `hosts'? y cp: cannot create regular file `hosts': Read-only file system [root@wingo 1040934]# [root@wingo 1040934]# ls etc etc.1 host.conf hosts hosts.allow hosts.deny [root@wingo 1040934]# rm -rf hosts rm: cannot remove `hosts': Read-only file system [root@wingo 1040934]# Moving the bug to verified state.
Marking snapshot BZs to RHS 3.0.
Setting flags required to add BZs to RHS 3.0 Errata
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHEA-2014-1278.html