Hey Amit,

Thanks for the response. Here's what I've got:

>Are your NFS exports permissions set correctly (probably yes if you can see
something created on your share)?

Here's the perms on the folder (/mnt/ovirt on NFS server):

File: ovirt
Size: 2               Blocks: 1          IO Block: 512    directory
Device: 33h/51d Inode: 34          Links: 2
Access: (0755/drwxr-xr-x)  Uid: (   36/    vdsm)   Gid: (   36/kvmovirt)
Access: 2020-08-04 17:54:06.971018988 +0000
Modify: 2020-08-04 17:54:09.410982092 +0000
Change: 2020-08-04 17:54:09.410982092 +0000
Birth: -

>Can you list your share contents with ls -lhZ?

Root of share:

drwxrwxr-x 4 vdsm kvmovirt ? 4 Aug  4 18:52 c6244268-aaeb-4b67-b12b-8a0e81d7c205

Inside of that:

drwxrwxr-x 2 vdsm kvmovirt ? 8 Aug  4 18:52 dom_md
drwxrwxr-x 2 vdsm kvmovirt ? 2 Aug  4 18:52 images

> Can you share the full error trace from vdsm.log?

Here's what I see:

2020-08-04 13:52:58,695-0500 INFO  (jsonrpc/1) [storage.xlease] Formatting 
index for lockspace 'c6244268-aaeb-4b67-b12b-8a0e81d7c205' (version=1) 
(xlease:701)
2020-08-04 13:52:58,767-0500 INFO  (jsonrpc/1) [storage.StorageDomain] Creating 
domain images directory 
'/rhev/data-center/mnt/storage01:_mnt_ovirt/c6244268-aaeb-4b67-b12b-8a0e81d7c205/images'
 (nfsSD:110)
2020-08-04 13:52:58,817-0500 INFO  (jsonrpc/1) [storage.StorageDomain] Removing 
remnants of deleted images [] (fileSD:735)
2020-08-04 13:52:58,819-0500 ERROR (jsonrpc/1) [storage.initSANLock] Cannot 
initialize SANLock for domain c6244268-aaeb-4b67-b12b-8a0e81d7c205 
(clusterlock:259)
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/vdsm/storage/clusterlock.py", line 250, 
in initSANLock
lockspace_name, idsPath, align=alignment, sector=block_size)
sanlock.SanlockException: (19, 'Sanlock lockspace write failure', 'No such 
device')
2020-08-04 13:52:58,819-0500 INFO  (jsonrpc/1) [vdsm.api] FINISH 
createStorageDomain error=Could not initialize cluster lock: () 
from=::ffff:192.168.222.200,37322, flow_id=228288c7, 
task_id=6bb381fd-9620-46bd-8c9a-0c6206e2cea4 (api:52)
2020-08-04 13:52:58,819-0500 ERROR (jsonrpc/1) [storage.TaskManager.Task] 
(Task='6bb381fd-9620-46bd-8c9a-0c6206e2cea4') Unexpected error (task:880)
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/vdsm/storage/clusterlock.py", line 250, 
in initSANLock
lockspace_name, idsPath, align=alignment, sector=block_size)
sanlock.SanlockException: (19, 'Sanlock lockspace write failure', 'No such 
device')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/vdsm/storage/task.py", line 887, in _run
return fn(*args, **kargs)
File "<decorator-gen-121>", line 2, in createStorageDomain
File "/usr/lib/python3.6/site-packages/vdsm/common/api.py", line 50, in method
ret = func(*args, **kwargs)
File "/usr/lib/python3.6/site-packages/vdsm/storage/hsm.py", line 2644, in 
createStorageDomain
max_hosts=max_hosts)
File "/usr/lib/python3.6/site-packages/vdsm/storage/nfsSD.py", line 120, in 
create
fsd.initSPMlease()
File "/usr/lib/python3.6/site-packages/vdsm/storage/sd.py", line 999, in 
initSPMlease
return self._manifest.initDomainLock()
File "/usr/lib/python3.6/site-packages/vdsm/storage/sd.py", line 627, in 
initDomainLock
self._domainLock.initLock(self.getDomainLease())
File "/usr/lib/python3.6/site-packages/vdsm/storage/clusterlock.py", line 308, 
in initLock
block_size=self._block_size)
File "/usr/lib/python3.6/site-packages/vdsm/storage/clusterlock.py", line 260, 
in initSANLock
raise se.ClusterLockInitError()
vdsm.storage.exception.ClusterLockInitError: Could not initialize cluster lock: 
()
2020-08-04 13:52:58,819-0500 INFO  (jsonrpc/1) [storage.TaskManager.Task] 
(Task='6bb381fd-9620-46bd-8c9a-0c6206e2cea4') aborting: Task is aborted: 
'value=Could not initialize cluster lock: () abortedcode=701' (task:1190)
2020-08-04 13:52:58,819-0500 ERROR (jsonrpc/1) [storage.Dispatcher] FINISH 
createStorageDomain error=Could not initialize cluster lock: () (dispatcher:83)
2020-08-04 13:52:58,819-0500 INFO  (jsonrpc/1) [jsonrpc.JsonRpcServer] RPC call 
StorageDomain.create failed (error 701) in 0.79 seconds (__init__:312)
2020-08-04 13:52:58,918-0500 INFO  (jsonrpc/7) [vdsm.api] START 
disconnectStorageServer(domType=1, 
spUUID='00000000-0000-0000-0000-000000000000', conList=[{'password': 
'********', 'protocol_version': 'auto', 'port': '', 'iqn': '', 'connection': 
'storage01:/mnt/ovirt', 'ipv6_enabled':'false', 'id': 
'49d6da66-aecb-442e-9852-4c91f6440182', 'user': '', 'tpgt': '1'}], 
options=None) from=::ffff:192.168.222.200,37322, 
flow_id=55c0cda3-5d44-4cd8-8020-47893c09ad5f, 
task_id=c2ecd861-39d7-4dc0-aca2-938794adefcb (api:48)
2020-08-04 13:52:58,918-0500 INFO  (jsonrpc/7) [storage.Mount] unmounting 
/rhev/data-center/mnt/storage01:_mnt_ovirt (mount:215)
2020-08-04 13:52:58,961-0500 INFO  (jsonrpc/7) [storage.StorageDomainCache] 
Refreshing storage domain cache (resize=False) (sdc:80)
2020-08-04 13:52:58,961-0500 INFO  (jsonrpc/7) [storage.ISCSI] Scanning iSCSI 
devices (iscsi:442)
2020-08-04 13:52:58,986-0500 INFO  (jsonrpc/7) [storage.ISCSI] Scanning iSCSI 
devices: 0.02 seconds (utils:390)
2020-08-04 13:52:58,986-0500 INFO  (jsonrpc/7) [storage.HBA] Scanning FC 
devices (hba:60)
2020-08-04 13:52:58,988-0500 INFO  (jsonrpc/4) [api.host] START getAllVmStats() 
from=::ffff:192.168.222.200,37322 (api:48)
2020-08-04 13:52:58,989-0500 INFO  (jsonrpc/4) [api.host] FINISH getAllVmStats 
return={'status': {'code': 0, 'message': 'Done'}, 'statsList': (suppressed)} 
from=::ffff:192.168.222.200,37322 (api:54)
2020-08-04 13:52:58,989-0500 INFO  (jsonrpc/4) [jsonrpc.JsonRpcServer] RPC call 
Host.getAllVmStats succeeded in 0.00 seconds (__init__:312)
2020-08-04 13:52:59,038-0500 INFO  (jsonrpc/7) [storage.HBA] Scanning FC 
devices: 0.05 seconds (utils:390)
2020-08-04 13:52:59,049-0500 INFO  (jsonrpc/7) [storage.StorageDomainCache] 
Refreshing storage domain cache: 0.09 seconds (utils:390)
2020-08-04 13:52:59,049-0500 INFO  (jsonrpc/7) [vdsm.api] FINISH 
disconnectStorageServer return={'statuslist': [{'id': 
'49d6da66-aecb-442e-9852-4c91f6440182', 'status': 0}]} 
from=::ffff:192.168.222.200,37322, 
flow_id=55c0cda3-5d44-4cd8-8020-47893c09ad5f, 
task_id=c2ecd861-39d7-4dc0-aca2-938794adefcb (api:54)
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