Bug 1401806

Summary: [GANESHA] Volume restart(stop followed by start) does not reexporting the volume
Product: [Red Hat Storage] Red Hat Gluster Storage Reporter: Manisha Saini <msaini>
Component: nfs-ganeshaAssignee: Jiffin <jthottan>
Status: CLOSED ERRATA QA Contact: Manisha Saini <msaini>
Severity: unspecified Docs Contact:
Priority: urgent    
Version: rhgs-3.2CC: amukherj, jthottan, kkeithle, ndevos, rcyriac, rhinduja, rhs-bugs, skoduri, storage-qa-internal
Target Milestone: ---   
Target Release: RHGS 3.2.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: glusterfs-3.8.4-8 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of:
: 1401822 (view as bug list) Environment:
Last Closed: 2017-03-23 05:54:14 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1351528, 1398257, 1401822, 1403144    
Attachments:
Description Flags
new_S31ganesha-start none

Description Manisha Saini 2016-12-06 07:02:12 UTC 
Description of problem:
After doing start and stop on volume having ganesha enable,volume is failed to export again

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

# rpm -qa | grep ganesha
nfs-ganesha-2.4.1-2.el7rhgs.x86_64
glusterfs-ganesha-3.8.4-7.el7rhgs.x86_64
nfs-ganesha-gluster-2.4.1-2.el7rhgs.x86_64


How reproducible:


Steps to Reproduce:
1.Create 4 node ganesha cluster on 8 node gluster and enable ganesha on it
2.Create a volume and enable ganesha
3.Check showmount -e.Volume is exported
4.Stop the volume
5.Again start the same volunme 

Actual results:
on restart of the volume,volume failed to get exported again.

Observed the following messages in ganesha.log

06/12/2016 12:07:24 : epoch 08220000 : dhcp47-3.lab.eng.blr.redhat.com : ganesha.nfsd-10937[dbus_heartbeat] glusterfs_create_export :FSAL :EVENT :Volume ganeshaVol1 exported at : '/'
06/12/2016 12:09:12 : epoch 08220000 : dhcp47-3.lab.eng.blr.redhat.com : ganesha.nfsd-10937[dbus_heartbeat] gsh_export_addexport :EXPORT :CRIT :Error finding exports: EXPORT(Export_Id=) because No such file or directory
06/12/2016 12:09:12 : epoch 08220000 : dhcp47-3.lab.eng.blr.redhat.com : ganesha.nfsd-10937[dbus_heartbeat] dbus_message_entrypoint :DBUS :MAJ :Method (AddExport) on (org.ganesha.nfsd.exportmgr) failed: name = (org.freedesktop.DBus.Error.InvalidArgs), message = (Error finding exports: EXPORT(Export_Id=) because No such file or directory)


Expected results:

Volume should be exported successfully on restart of the volume

Additional info:
Comment 2 Jiffin 2016-12-06 07:33:16 UTC 
Created attachment 1228305 [details]
new_S31ganesha-start

The workaround for above issue is attached to the bug. Please copy this file to /var/lib/glusterd/hooks/1/start/post/ for testing purpose
Comment 3 Jiffin 2016-12-06 08:15:52 UTC 
Patch posted upstream for review : http://review.gluster.org/#/c/16037/1
Comment 6 Atin Mukherjee 2016-12-09 09:16:41 UTC 
upstream mainline : http://review.gluster.org/16037
upstream 3.9 : http://review.gluster.org/16093

downstream patch :https://code.engineering.redhat.com/gerrit/#/c/92556/
Comment 8 Manisha Saini 2016-12-12 11:42:47 UTC 
Verified this Bug on 

[root@dhcp47-3 tmp]# rpm -qa | grep ganesha
nfs-ganesha-2.4.1-2.el7rhgs.x86_64
glusterfs-ganesha-3.8.4-8.el7rhgs.x86_64
nfs-ganesha-gluster-2.4.1-2.el7rhgs.x86_64

As the issue is no more observed,Hence marking this bug as Verified.
Comment 10 errata-xmlrpc 2017-03-23 05:54:14 UTC 
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.

https://rhn.redhat.com/errata/RHSA-2017-0486.html