+++ This bug was initially created as a clone of Bug #1565015 +++ Description of problem: File Locking test is failing on ganesha V3.While verifying BZ-1480138,hit this issue.Even cthon and file locking test is failing with vers=3 Version-Release number of selected component (if applicable): # rpm -qa | grep ganesha glusterfs-ganesha-3.12.2-7.el7rhgs.x86_64 nfs-ganesha-gluster-2.5.5-4.el7rhgs.x86_64 nfs-ganesha-2.5.5-4.el7rhgs.x86_64 How reproducible: 3/3 Steps to Reproduce: 1.CReate 4 node ganesha cluster 2.Create 4 x 3 = 12 dist-replicate volume 3.Export the volume via ganesha 4.Run cthon test suit and file locking test Actual results: Cthon test is failing- --------------------------- Test #1 - Test regions of an unlocked file. Parent: 1.1 - F_TEST [ 0, 1] PASSED. Parent: 1.2 - F_TEST [ 0, ENDING] PASSED. Parent: 1.3 - F_TEST [ 0,7fffffffffffffff] PASSED. Parent: 1.4 - F_TEST [ 1, 1] PASSED. Parent: 1.5 - F_TEST [ 1, ENDING] PASSED. Parent: 1.6 - F_TEST [ 1,7fffffffffffffff] PASSED. Parent: 1.7 - F_TEST [7fffffffffffffff, 1] PASSED. Parent: 1.8 - F_TEST [7fffffffffffffff, ENDING] PASSED. Parent: 1.9 - F_TEST [7fffffffffffffff,7fffffffffffffff] PASSED. Test #2 - Try to lock the whole file. Parent: 2.0 - F_TLOCK [ 0, ENDING] FAILED! Parent: **** Expected success, returned errno=37... Parent: **** Probably implementation error. ** PARENT pass 1 results: 9/9 pass, 0/0 warn, 1/1 fail (pass/total). ** CHILD pass 1 results: 0/0 pass, 0/0 warn, 0/0 fail (pass/total). lock tests failed ------------------------------- File locking test- -------- # ./a.out /mnt/ganesha_setup2/1G opening /mnt/ganesha_setup2/1G opened; hit Enter to lock... locking fcntl failed (No locks available) ----------- Expected results: Locking test should pass with ganesha v3 Additional info: Messages in ganesha.log- 09/04/2018 01:48:53 : epoch 10430000 : dhcp37-121.lab.eng.blr.redhat.com : ganesha.nfsd-9845[work-214] nsm_monitor :NLM :CRIT :Can not monitor dhcp46-125.lab.eng.blr.redhat.com SM_MON status 1 /var/log/messages- Apr 9 01:46:02 dhcp37-121 rpc.statd[9837]: Failed to insert: creating /var/lib/nfs/statd/sm/dhcp46-125.lab.eng.blr.redhat.com: Permission denied Apr 9 01:46:02 dhcp37-121 rpc.statd[9837]: STAT_FAIL to dhcp37-121.lab.eng.blr.redhat.com for SM_MON of dhcp46-125.lab.eng.blr.redhat.com --- Additional comment from Jiffin on 2018-04-26 04:41:48 EDT --- RCA : https://bugzilla.redhat.com/show_bug.cgi?id=1414663#c2 The following patch is present in 3.9 https://review.gluster.org/#/c/16433/ which similar issue reported from 1414663. We need to backport this to 3.4. Thanks Manisha for digging the old bug and patch