Unable to delete snapshot in Red Hat Gluster Storage

Issue

• A Snapshot created by the snap_scheduler.py can't be deleted
• When attempting to delete a snapshot created by Red Hat Gluster Storage, the following error is reported back

root@glusternode1 ~# gluster snapshot delete Scheduled_hiho_foobar_GMT-2017.06.05-16.03.01
Deleting snap will erase all the information about the snap. Do you still want to continue? (y/n) y
snapshot delete: failed: Snapshot Scheduled_hiho_foobar_GMT-2017.06.05-16.03.01 might not be in an usable state.
Snapshot command failed

• The following error is reported in glusterfs logs when attempting to delete a snapshot created via snap_scheduler.py

[2017-06-06 15:00:01.880053] I [MSGID: 106091] [glusterd-snapshot.c:6263:glusterd_snapshot_remove_commit] 0-management: Successfully marked snap Scheduled-abc_GMT-2017.06.05-16.03.01 for decommission.
[2017-06-06 15:00:01.889988] E [MSGID: 106095] [glusterd-snapshot-utils.c:3365:glusterd_umount] 0-management: umounting /run/gluster/snaps/6b97f18c7fdc4f8e8fa2b947be92152f/brick1 failed (Bad file descriptor) [Bad file descriptor]
The message "E [MSGID: 106095] [glusterd-snapshot-utils.c:3365:glusterd_umount] 0-management: umounting /run/gluster/snaps/6b97f18c7fdc4f8e8fa2b947be92152f/brick1 failed (Bad file descriptor) [Bad file descriptor]" repeated 2 times between [2017-06-06 15:00:01.889988] and [2017-06-06 15:00:03.900999]
[2017-06-06 15:00:04.901043] E [MSGID: 106038] [glusterd-snapshot.c:2818:glusterd_do_lvm_snapshot_remove] 0-management: umount failed for path /run/gluster/snaps/6b97f18c7fdc4f8e8fa2b947be92152f/brick1 (brick: /run/gluster/snaps/6b97f18c7fdc4f8e8fa2b947be92152f/brick1/registry): Bad file descriptor.
[2017-06-06 15:00:04.901082] E [MSGID: 106044] [glusterd-snapshot.c:2962:glusterd_lvm_snapshot_remove] 0-management: Failed to remove the snapshot /run/gluster/snaps/6b97f18c7fdc4f8e8fa2b947be92152f/brick1/registry (/dev/vg_fast_registry/6b97f18c7fdc4f8e8fa2b947be92152f_0)
[2017-06-06 15:00:09.536674] W [MSGID: 106033] [glusterd-snapshot.c:3008:glusterd_lvm_snapshot_remove] 0-management: Failed to rmdir: /run/gluster/snaps/6b97f18c7fdc4f8e8fa2b947be92152f/, err: Directory not empty. More than one glusterd running on this node. [Directory not empty]
[2017-06-06 15:00:09.536711] W [MSGID: 106044] [glusterd-snapshot.c:3079:glusterd_snap_volume_remove] 0-management: Failed to remove lvm snapshot volume 6b97f18c7fdc4f8e8fa2b947be92152f
[2017-06-06 15:00:09.536721] W [MSGID: 106044] [glusterd-snapshot.c:3154:glusterd_snap_remove] 0-management: Failed to remove volinfo 6b97f18c7fdc4f8e8fa2b947be92152f for snap Scheduled-vol_fast_registry_snap-vol_fast_registry_GMT-2017.06.05-16.03.01
[2017-06-06 15:00:09.536729] E [MSGID: 106044] [glusterd-snapshot.c:6298:glusterd_snapshot_remove_commit] 0-management: Failed to remove snap Scheduled-abc_GMT-2017.06.05-16.03.01
[2017-06-06 15:00:09.536739] E [MSGID: 106044] [glusterd-snapshot.c:8308:glusterd_snapshot] 0-management: Failed to delete snapshot