Description of problem:
VM disk left in LOCKED state when added.

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

ovirt-engine 4.2.8.2-1.el7
glusterfs 3.12.15

How reproducible:


Steps to Reproduce:
1.  Create a VM
2.  Add disks on Gluster Data Domain size of 4 TB.
3.

Actual results:

VM disks are in LOCKED state and task never finished

Expected results:

VM disks shouldn't be in LOCKED state.

Additional info:

Stuck Task was found by 
/usr/share/ovirt-engine/dbscripts/engine-psql.sh -c "select * from job;" 

and deleted by 
/usr/share/ovirt-engine/dbscripts/engine-psql.sh -c "select DeleteJob('0ad3ead5-8b99-404f-a671-069dfbbdbcb7');"
But now disk in LOCKED state and can't be unlocked. How I can fix it?
Thx.