[Bugs] [Bug 1260859] New: snapshot: from nfs-ganesha mount no content seen in .snaps/<snapshot-name> directory

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1260859

            Bug ID: 1260859
           Summary: snapshot: from nfs-ganesha mount no content seen in
                    .snaps/<snapshot-name> directory
           Product: GlusterFS
           Version: 3.7.5
         Component: snapshot
          Keywords: Triaged
          Severity: urgent
          Assignee: jthottan at redhat.com
          Reporter: jthottan at redhat.com
                CC: ansubram at redhat.com, asengupt at redhat.com,
                    bugs at gluster.org, gluster-bugs at redhat.com,
                    jthottan at redhat.com, kkeithle at redhat.com,
                    ndevos at redhat.com, rjoseph at redhat.com,
                    saujain at redhat.com, skoduri at redhat.com,
                    storage-qa-internal at redhat.com
        Depends On: 1260086, 1260611



+++ This bug was initially created as a clone of Bug #1260611 +++

+++ This bug was initially created as a clone of Bug #1260086 +++

Description of problem:
Mounted the volume using the nfs-ganesha and took snapshot. From snapshot there
is not data seen in .snaps/<snapshot-name>

Version-Release number of selected component (if applicable):
glusterfs-3.7.1-14.el7rhgs.x86_64
nfs-ganesha-2.2.0-7.el7rhgs.x86_64

How reproducible:
always

Steps to Reproduce:
1. create a volume of 6x2 type

2. configure nfs-ganesha, export the volume created in step1

3. on client mount the volume over nfs with vers=3 or 4,

3a. create some data inside the mount-point

4. enable uss using command
   gluster volume set <volname> uss on

5. create a snapshot using command,
   gluster snapshot create <snapname> <volname>

6. activate snapshot created in step 4,
   gluster snapshot activate <snapname>

7. cd /mount/point/volname/.snaps/<snapshot-name>

8. ls -lR

Actual results:
step 8 fails, as there is no data inside snapshot directory. Basically the data
is not fetched.

Expected results:
Step 8 should fetch data from the server, as the data is fetched from
glusterfs(native mount).

Additional info:

--- Additional comment from Vijay Bellur on 2015-09-07 07:30:17 EDT ---

REVIEW: http://review.gluster.org/12117 (uss : handle `buf` variable properly
in svs_glfs_readdir()) posted (#1) for review on master by jiffin tony Thottan
(jthottan at redhat.com)


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1260086
[Bug 1260086] snapshot: from nfs-ganesha mount no content seen in
.snaps/<snapshot-name> directory
https://bugzilla.redhat.com/show_bug.cgi?id=1260611
[Bug 1260611] snapshot: from nfs-ganesha mount no content seen in
.snaps/<snapshot-name> directory
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