[Bugs] [Bug 1369398] New: Unexporting ganesha volume fails with " Dynamic export addition/deletion failed"

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1369398

            Bug ID: 1369398
           Summary: Unexporting ganesha volume fails with "Dynamic export
                    addition/deletion failed"
           Product: GlusterFS
           Version: 3.8.2
         Component: ganesha-nfs
          Severity: urgent
          Assignee: bugs at gluster.org
          Reporter: sraj at redhat.com
                CC: bugs at gluster.org, jthottan at redhat.com,
                    kkeithle at redhat.com, ndevos at redhat.com,
                    skoduri at redhat.com, storage-qa-internal at redhat.com



Description of problem:

Unexporting ganesha volume fails with "Dynamic export addition/deletion failed"

Version-Release number of selected component (if applicable):

[root at dhcp43-116 gluster_pkgs]# rpm -qa|grep glusterfs
glusterfs-fuse-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64
glusterfs-libs-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64
glusterfs-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64
glusterfs-client-xlators-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64
glusterfs-api-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64
glusterfs-cli-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64
glusterfs-server-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64
glusterfs-geo-replication-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64
glusterfs-debuginfo-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64
glusterfs-ganesha-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64

[root at dhcp43-116 gluster_pkgs]# rpm -qa|grep ganesha
nfs-ganesha-gluster-next.20160813.2f47e8a-1.el7.centos.x86_64
nfs-ganesha-next.20160813.2f47e8a-1.el7.centos.x86_64
nfs-ganesha-debuginfo-next.20160813.2f47e8a-1.el7.centos.x86_64
glusterfs-ganesha-3.8.2-0.1.gitd33aa0b.el7rhgs.x86_64


How reproducible:

Always

Steps to Reproduce:

1.Create and start a volume.

[root at dhcp43-116 gluster_pkgs]# gluster volume create newvolume replica 2
10.70.43.116:/bricks/brick0/b0 10.70.43.88:/bricks/brick0/b0
10.70.42.47:/bricks/brick0/b0 10.70.42.237:/bricks/brick0/b0 
volume create: newvolume: success: please start the volume to access data

[root at dhcp43-116 gluster_pkgs]# gluster volume start newvolume
volume start: newvolume: success

2. Enable ganesha on the volume

[root at dhcp43-116 gluster_pkgs]# gluster vol set newvolume ganesha.enable on
volume set: success

3. Try to unexport the volume and observe that unexport always fails with
"Dynamic export addition/deletion failed"

[root at dhcp43-116 gluster_pkgs]# gluster vol set newvolume ganesha.enable off
volume set: failed: Dynamic export addition/deletion failed. Please see log
file for details

Following message is observed in ganesha.log

23/08/2016 20:49:28 : epoch 57bc690e : dhcp43-116.lab.eng.blr.redhat.com :
ganesha.nfsd-8143[dbus_heartbeat] dbus_message_entrypoint :DBUS :MAJ :Method
(RemoveExport) on (org.ganesha.nfsd.exportmgr) failed: name =
(org.freedesktop.DBus.Error.InvalidArgs), message = (Cannot remove export with
id 0)


Actual results:

Unexporting ganesha volume fails with "Dynamic export addition/deletion failed"

Expected results:

There should not be any errors and unexport should be successful.

Additional info:

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