Hi Didi,
I did log clean up and am re-running ovirt-hosted-engine-cleanup && 
ovirt-hosted-engine-setup to get you cleaner log files. 

searching for host_storage in vdsm.log...
**snip**
2021-01-18 08:43:18,842-0700 INFO  (jsonrpc/3) [api.host] FINISH getStats 
return={'status': {'code': 0, 'message': 'Done'}, 'info': (suppressed)} 
from=::ffff:192.168.222.53,39612 (api:54)
2021-01-18 08:43:19,963-0700 INFO  (vmrecovery) [vdsm.api] START 
getConnectedStoragePoolsList(options=None) from=internal, 
task_id=fb80c883-2447-4ed2-b344-aa0c0fb65809 (api:48)
2021-01-18 08:43:19,963-0700 INFO  (vmrecovery) [vdsm.api] FINISH 
getConnectedStoragePoolsList return={'poollist': []} from=internal, 
task_id=fb80c883-2447-4ed2-b344-aa0c0fb65809 (api:54)
2021-01-18 08:43:19,964-0700 INFO  (vmrecovery) [vds] recovery: waiting for 
storage pool to go up (clientIF:726)
2021-01-18 08:43:20,441-0700 INFO  (jsonrpc/4) [vdsm.api] START 
connectStorageServer(domType=1, spUUID='00000000-0000-0000-0000-000000000000', 
conList=[{'password': '********', 'protocol_version': 'auto', 'port': '', 
'iqn': '', 'connection': 'stumpy:/tanker/ovirt/host_storage', 'ipv6_enabled': 
'false', 'id': '00000000-0000-0000-0000-000000000000', 'user': '', 'tpgt': 
'1'}], options=None) from=::ffff:192.168.222.53,39612, 
flow_id=2227465c-5040-4199-b1f9-f5305b10b5e5, 
task_id=032afa50-381a-44af-a067-d25bcc224355 (api:48)
2021-01-18 08:43:20,446-0700 INFO  (jsonrpc/4) 
[storage.StorageServer.MountConnection] Creating directory 
'/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage' (storageServer:167)
2021-01-18 08:43:20,446-0700 INFO  (jsonrpc/4) [storage.fileUtils] Creating 
directory: /rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage mode: None 
(fileUtils:201)
2021-01-18 08:43:20,447-0700 INFO  (jsonrpc/4) [storage.Mount] mounting 
stumpy:/tanker/ovirt/host_storage at 
/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage (mount:207)
2021-01-18 08:43:21,271-0700 INFO  (jsonrpc/4) [IOProcessClient] (Global) 
Starting client (__init__:340)
2021-01-18 08:43:21,313-0700 INFO  (ioprocess/51124) [IOProcess] (Global) 
Starting ioprocess (__init__:465)
2021-01-18 08:43:21,373-0700 INFO  (jsonrpc/4) [storage.StorageDomainCache] 
Invalidating storage domain cache (sdc:74)
2021-01-18 08:43:21,373-0700 INFO  (jsonrpc/4) [vdsm.api] FINISH 
connectStorageServer return={'statuslist': [{'id': 
'00000000-0000-0000-0000-000000000000', 'status': 0}]} 
from=::ffff:192.168.222.53,39612, flow_id=2227465c-5040-4199-b1f9-f5305b10b5e5, 
task_id=032afa50-381a-44af-a067-d25bcc224355 (api:54)
2021-01-18 08:43:21,497-0700 INFO  (jsonrpc/5) [vdsm.api] START 
getStorageDomainsList(spUUID='00000000-0000-0000-0000-000000000000', 
domainClass=1, storageType='', remotePath='stumpy:/tanker/ovirt/host_storage', 
options=None) from=::ffff:192.168.222.53,39612, 
flow_id=2227465c-5040-4199-b1f9-f5305b10b5e5, 
task_id=e37eb000-13da-440f-9197-07495e53ce52 (api:48)
2021-01-18 08:43:21,497-0700 INFO  (jsonrpc/5) [storage.StorageDomainCache] 
Refreshing storage domain cache (resize=True) (sdc:80)
2021-01-18 08:43:21,498-0700 INFO  (jsonrpc/5) [storage.ISCSI] Scanning iSCSI 
devices (iscsi:442)
2021-01-18 08:43:21,628-0700 INFO  (jsonrpc/5) [storage.ISCSI] Scanning iSCSI 
devices: 0.13 seconds (utils:390)
2021-01-18 08:43:21,629-0700 INFO  (jsonrpc/5) [storage.HBA] Scanning FC 
devices (hba:60)
2021-01-18 08:43:21,908-0700 INFO  (jsonrpc/5) [storage.HBA] Scanning FC 
devices: 0.28 seconds (utils:390)
2021-01-18 08:43:21,969-0700 INFO  (jsonrpc/5) [storage.Multipath] Resizing 
multipath devices (multipath:104)
2021-01-18 08:43:21,975-0700 INFO  (jsonrpc/5) [storage.Multipath] Resizing 
multipath devices: 0.01 seconds (utils:390)
2021-01-18 08:43:21,975-0700 INFO  (jsonrpc/5) [storage.StorageDomainCache] 
Refreshing storage domain cache: 0.48 seconds (utils:390)
2021-01-18 08:43:22,167-0700 INFO  (tmap-0/0) [IOProcessClient] 
(stumpy:_tanker_ovirt_host__storage) Starting client (__init__:340)
2021-01-18 08:43:22,204-0700 INFO  (ioprocess/51144) [IOProcess] 
(stumpy:_tanker_ovirt_host__storage) Starting ioprocess (__init__:465)
2021-01-18 08:43:22,208-0700 INFO  (jsonrpc/5) [vdsm.api] FINISH 
getStorageDomainsList return={'domlist': []} from=::ffff:192.168.222.53,39612, 
flow_id=2227465c-5040-4199-b1f9-f5305b10b5e5, 
task_id=e37eb000-13da-440f-9197-07495e53ce52 (api:54)
2021-01-18 08:43:22,999-0700 INFO  (jsonrpc/7) [vdsm.api] START 
connectStorageServer(domType=1, spUUID='00000000-0000-0000-0000-000000000000', 
conList=[{'password': '********', 'protocol_version': 'auto', 'port': '', 
'iqn': '', 'connection': 'stumpy:/tanker/ovirt/host_storage', 'ipv6_enabled': 
'false', 'id': 'bc87e1a4-004e-41b4-b569-9e9413e9c027', 'user': '', 'tpgt': 
'1'}], options=None) from=::ffff:192.168.222.53,39612, flow_id=5618fb28, 
task_id=51daa36a-e1cf-479d-a93c-1c87f21ce934 (api:48)
2021-01-18 08:43:23,007-0700 INFO  (jsonrpc/7) [storage.StorageDomainCache] 
Invalidating storage domain cache (sdc:74)
2021-01-18 08:43:23,007-0700 INFO  (jsonrpc/7) [vdsm.api] FINISH 
connectStorageServer return={'statuslist': [{'id': 
'bc87e1a4-004e-41b4-b569-9e9413e9c027', 'status': 0}]} 
from=::ffff:192.168.222.53,39612, flow_id=5618fb28, 
task_id=51daa36a-e1cf-479d-a93c-1c87f21ce934 (api:54)
2021-01-18 08:43:23,130-0700 INFO  (jsonrpc/0) [vdsm.api] START 
createStorageDomain(storageType=1, 
sdUUID='4b3fb9a9-6975-4b80-a2c1-af4e30865088', domainName='hosted_storage', 
typeSpecificArg='stumpy:/tanker/ovirt/host_storage', domClass=1, 
domVersion='5', block_size=512, max_hosts=250, options=None) 
from=::ffff:192.168.222.53,39612, flow_id=5618fb28, 
task_id=49a1bc04-91d0-4d8f-b847-b6461d980495 (api:48)
2021-01-18 08:43:23,130-0700 INFO  (jsonrpc/0) [storage.StorageDomainCache] 
Refreshing storage domain cache (resize=True) (sdc:80)
2021-01-18 08:43:23,131-0700 INFO  (jsonrpc/0) [storage.ISCSI] Scanning iSCSI 
devices (iscsi:442)
2021-01-18 08:43:23,238-0700 INFO  (jsonrpc/0) [storage.ISCSI] Scanning iSCSI 
devices: 0.11 seconds (utils:390)
2021-01-18 08:43:23,239-0700 INFO  (jsonrpc/0) [storage.HBA] Scanning FC 
devices (hba:60)
2021-01-18 08:43:23,522-0700 INFO  (jsonrpc/0) [storage.HBA] Scanning FC 
devices: 0.28 seconds (utils:390)
2021-01-18 08:43:23,576-0700 INFO  (jsonrpc/0) [storage.Multipath] Resizing 
multipath devices (multipath:104)
2021-01-18 08:43:23,582-0700 INFO  (jsonrpc/0) [storage.Multipath] Resizing 
multipath devices: 0.01 seconds (utils:390)
2021-01-18 08:43:23,583-0700 INFO  (jsonrpc/0) [storage.StorageDomainCache] 
Refreshing storage domain cache: 0.45 seconds (utils:390)
2021-01-18 08:43:23,583-0700 INFO  (jsonrpc/0) [storage.StorageDomainCache] 
Looking up domain 4b3fb9a9-6975-4b80-a2c1-af4e30865088 (sdc:171)
2021-01-18 08:43:23,760-0700 WARN  (jsonrpc/0) [storage.LVM] All 1 tries have 
failed: cmd=['/sbin/lvm', 'vgs', '--config', 'devices {  
preferred_names=["^/dev/mapper/"]  ignore_suspended_devices=1  
write_cache_state=0  disable_after_error_count=3  filter=["r|.*|"]  
hints="none"  obtain_device_list_from_udev=0 } global {  locking_type=1  
prioritise_write_locks=1  wait_for_locks=1  use_lvmetad=0 } backup {  
retain_min=50  retain_days=0 }', '--noheadings', '--units', 'b', '--nosuffix', 
'--separator', '|', '--ignoreskippedcluster', '-o', 
'uuid,name,attr,size,free,extent_size,extent_count,free_count,tags,vg_mda_size,vg_mda_free,lv_count,pv_count,pv_name',
 '4b3fb9a9-6975-4b80-a2c1-af4e30865088'] rc=5 err=['  Volume group 
"4b3fb9a9-6975-4b80-a2c1-af4e30865088" not found', '  Cannot process volume 
group 4b3fb9a9-6975-4b80-a2c1-af4e30865088'] (lvm:538)
2021-01-18 08:43:23,771-0700 INFO  (jsonrpc/0) [storage.StorageDomainCache] 
Looking up domain 4b3fb9a9-6975-4b80-a2c1-af4e30865088: 0.19 seconds (utils:390)
2021-01-18 08:43:23,818-0700 INFO  (jsonrpc/0) [IOProcessClient] 
(4b3fb9a9-6975-4b80-a2c1-af4e30865088) Starting client (__init__:340)
2021-01-18 08:43:23,856-0700 INFO  (ioprocess/51165) [IOProcess] 
(4b3fb9a9-6975-4b80-a2c1-af4e30865088) Starting ioprocess (__init__:465)
2021-01-18 08:43:24,166-0700 INFO  (jsonrpc/0) [storage.StorageDomain] Creating 
domain metadata directory 
'/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage/4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md'
 (fileSD:441)
2021-01-18 08:43:24,970-0700 INFO  (vmrecovery) [vdsm.api] START 
getConnectedStoragePoolsList(options=None) from=internal, 
task_id=5b920619-cd95-40d0-a253-c39d41d71245 (api:48)
2021-01-18 08:43:24,971-0700 INFO  (vmrecovery) [vdsm.api] FINISH 
getConnectedStoragePoolsList return={'poollist': []} from=internal, 
task_id=5b920619-cd95-40d0-a253-c39d41d71245 (api:54)
2021-01-18 08:43:24,971-0700 INFO  (vmrecovery) [vds] recovery: waiting for 
storage pool to go up (clientIF:726)
2021-01-18 08:43:25,285-0700 INFO  (jsonrpc/0) [storage.xlease] Formatting 
index for lockspace '4b3fb9a9-6975-4b80-a2c1-af4e30865088' (version=1) 
(xlease:701)
2021-01-18 08:43:25,441-0700 INFO  (jsonrpc/0) [storage.StorageDomain] Creating 
domain images directory 
'/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage/4b3fb9a9-6975-4b80-a2c1-af4e30865088/images'
 (nfsSD:110)
2021-01-18 08:43:25,522-0700 INFO  (jsonrpc/0) [storage.StorageDomain] Removing 
remnants of deleted images [] (fileSD:735)
2021-01-18 08:43:25,524-0700 INFO  (jsonrpc/0) [storage.SANLock] Initializing 
sanlock for domain 4b3fb9a9-6975-4b80-a2c1-af4e30865088 
path=/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage/4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/ids
 alignment=1048576 block_size=512 io_timeout=10 (clusterlock:286)
2021-01-18 08:43:25,533-0700 ERROR (jsonrpc/0) [storage.SANLock] Cannot 
initialize lock for domain 4b3fb9a9-6975-4b80-a2c1-af4e30865088 
(clusterlock:305)
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/vdsm/storage/clusterlock.py", line 
295, in initLock
    sector=self._block_size)
sanlock.SanlockException: (19, 'Sanlock lockspace write failure', 'No such 
device')
2021-01-18 08:43:25,534-0700 INFO  (jsonrpc/0) [vdsm.api] FINISH 
createStorageDomain error=Could not initialize cluster lock: () 
from=::ffff:192.168.222.53,39612, flow_id=5618fb28, 
task_id=49a1bc04-91d0-4d8f-b847-b6461d980495 (api:52)
2021-01-18 08:43:25,534-0700 ERROR (jsonrpc/0) [storage.TaskManager.Task] 
(Task='49a1bc04-91d0-4d8f-b847-b6461d980495') Unexpected error (task:880)
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/vdsm/storage/clusterlock.py", line 
295, in initLock
    sector=self._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-123>", 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 2669, 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 1019, 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 
306, in initLock
    raise se.ClusterLockInitError()
vdsm.storage.exception.ClusterLockInitError: Could not initialize cluster lock: 
()
2021-01-18 08:43:25,534-0700 INFO  (jsonrpc/0) [storage.TaskManager.Task] 
(Task='49a1bc04-91d0-4d8f-b847-b6461d980495') aborting: Task is aborted: 
'value=Could not initialize cluster lock: () abortedcode=701' (task:1190)
2021-01-18 08:43:25,535-0700 ERROR (jsonrpc/0) [storage.Dispatcher] FINISH 
createStorageDomain error=Could not initialize cluster lock: () (dispatcher:83)
2021-01-18 08:43:25,536-0700 INFO  (jsonrpc/0) [jsonrpc.JsonRpcServer] RPC call 
StorageDomain.create failed (error 701) in 2.41 seconds (__init__:312)
2021-01-18 08:43:26,086-0700 INFO  (jsonrpc/6) [vdsm.api] START 
disconnectStorageServer(domType=1, 
spUUID='00000000-0000-0000-0000-000000000000', conList=[{'password': 
'********', 'protocol_version': 'auto', 'port': '', 'iqn': '', 'connection': 
'stumpy:/tanker/ovirt/host_storage', 'ipv6_enabled': 'false', 'id': 
'bc87e1a4-004e-41b4-b569-9e9413e9c027', 'user': '', 'tpgt': '1'}], 
options=None) from=::ffff:192.168.222.53,39612, 
flow_id=2227465c-5040-4199-b1f9-f5305b10b5e5, 
task_id=5e35a85a-4010-425e-81b5-5db3ad6d63f3 (api:48)
2021-01-18 08:43:26,087-0700 INFO  (jsonrpc/6) [storage.Mount] unmounting 
/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage (mount:215)
2021-01-18 08:43:26,209-0700 INFO  (jsonrpc/6) [storage.StorageDomainCache] 
Refreshing storage domain cache (resize=False) (sdc:80)
2021-01-18 08:43:26,210-0700 INFO  (jsonrpc/6) [storage.ISCSI] Scanning iSCSI 
devices (iscsi:442)
2021-01-18 08:43:26,346-0700 INFO  (jsonrpc/6) [storage.ISCSI] Scanning iSCSI 
devices: 0.14 seconds (utils:390)
2021-01-18 08:43:26,347-0700 INFO  (jsonrpc/6) [storage.HBA] Scanning FC 
devices (hba:60)
2021-01-18 08:43:26,635-0700 INFO  (jsonrpc/6) [storage.HBA] Scanning FC 
devices: 0.29 seconds (utils:390)
2021-01-18 08:43:26,693-0700 INFO  (jsonrpc/6) [storage.StorageDomainCache] 
Refreshing storage domain cache: 0.48 seconds (utils:390)
2021-01-18 08:43:26,693-0700 INFO  (jsonrpc/6) [vdsm.api] FINISH 
disconnectStorageServer return={'statuslist': [{'id': 
'bc87e1a4-004e-41b4-b569-9e9413e9c027', 'status': 0}]} 
from=::ffff:192.168.222.53,39612, flow_id=2227465c-5040-4199-b1f9-f5305b10b5e5, 
task_id=5e35a85a-4010-425e-81b5-5db3ad6d63f3 (api:54)
2021-01-18 08:43:27,353-0700 INFO  (periodic/0) [vdsm.api] START 
repoStats(domains=()) from=internal, 
task_id=236f3956-28f6-407e-b893-e018f90fcd08 (api:48)
2021-01-18 08:43:27,355-0700 INFO  (periodic/0) [vdsm.api] FINISH repoStats 
return={} from=internal, task_id=236f3956-28f6-407e-b893-e018f90fcd08 (api:54)
2021-01-18 08:43:27,694-0700 INFO  (jsonrpc/1) [api.host] START getAllVmStats() 
from=::ffff:192.168.222.53,39612 (api:48)
2021-01-18 08:43:27,697-0700 INFO  (jsonrpc/1) [api.host] FINISH getAllVmStats 
return={'status': {'code': 0, 'message': 'Done'}, 'statsList': (suppressed)} 
from=::ffff:192.168.222.53,39612 (api:54)
2021-01-18 08:43:27,800-0700 INFO  (jsonrpc/2) [api.host] START getAllVmStats() 
from=::1,55776 (api:48)
2021-01-18 08:43:27,802-0700 INFO  (jsonrpc/2) [api.host] FINISH getAllVmStats 
return={'status': {'code': 0, 'message': 'Done'}, 'statsList': (suppressed)} 
from=::1,55776 (api:54)
2021-01-18 08:43:27,826-0700 INFO  (jsonrpc/3) [api.host] START 
getAllVmIoTunePolicies() from=::1,55776 (api:48)
2021-01-18 08:43:27,826-0700 INFO  (jsonrpc/3) [api.host] FINISH 
getAllVmIoTunePolicies return={'status': {'code': 0, 'message': 'Done'}, 
'io_tune_policies_dict': {'ddceefdd-57d3-432f-816e-5dc013249bff': {'policy': 
[], 'current_values': []}}} from=::1,55776 (api:54)
2021-01-18 08:43:29,975-0700 INFO  (vmrecovery) [vdsm.api] START 
getConnectedStoragePoolsList(options=None) from=internal, 
task_id=821ce12a-ab6e-4db5-ba22-bd2630f2730c (api:48)
2021-01-18 08:43:29,976-0700 INFO  (vmrecovery) [vdsm.api] FINISH 
getConnectedStoragePoolsList return={'poollist': []} from=internal, 
task_id=821ce12a-ab6e-4db5-ba22-bd2630f2730c (api:54)
2021-01-18 08:43:29,976-0700 INFO  (vmrecovery) [vds] recovery: waiting for 
storage pool to go up (clientIF:726)
2021-01-18 08:43:33,826-0700 INFO  (jsonrpc/4) [api.host] START getStats() 
from=::ffff:192.168.222.53,39612 (api:48)

**end snip**




from supervdsm.log. This is the only section where 'host_storage' shows up.

**snip**
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:42:55,447::commands::98::common.commands::(run) SUCCESS: <err> = b''; <rc> = 0
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:42:55,448::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) return 
dmsetup_run_status with b''
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:43:05,450::supervdsm_server::93::SuperVdsm.ServerCallback::(wrapper) call 
dmsetup_run_status with ('multipath',) {}
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:43:05,450::commands::153::common.commands::(start) /usr/bin/taskset 
--cpu-list 0-3 /usr/sbin/dmsetup status --target multipath (cwd None)
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:43:05,483::commands::98::common.commands::(run) SUCCESS: <err> = b''; <rc> = 0
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:43:05,484::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) return 
dmsetup_run_status with b''
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:43:15,485::supervdsm_server::93::SuperVdsm.ServerCallback::(wrapper) call 
dmsetup_run_status with ('multipath',) {}
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:43:15,485::logutils::354::root::(_report_stats) ThreadedHandler is ok in the 
last 60 seconds (max pending: 2)
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:43:15,485::commands::153::common.commands::(start) /usr/bin/taskset 
--cpu-list 0-3 /usr/sbin/dmsetup status --target multipath (cwd None)
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:43:15,515::commands::98::common.commands::(run) SUCCESS: <err> = b''; <rc> = 0
MainProcess|mpathhealth::DEBUG::2021-01-18 
08:43:15,516::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) return 
dmsetup_run_status with b''
MainProcess|jsonrpc/4::DEBUG::2021-01-18 
08:43:20,448::supervdsm_server::93::SuperVdsm.ServerCallback::(wrapper) call 
mount with (<vdsm.supervdsm_server._SuperVdsm object at 0x7f19293acc88>, 
'stumpy:/tanker/ovirt/host_storage', 
'/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage') {'mntOpts': 
'soft,nosharecache,timeo=100,retrans=3,nolock', 'vfstype': 'nfs', 'cgroup': 
None}
MainProcess|jsonrpc/4::DEBUG::2021-01-18 
08:43:20,448::commands::211::root::(execCmd) /usr/bin/taskset --cpu-list 0-3 
/usr/bin/mount -t nfs -o soft,nosharecache,timeo=100,retrans=3,nolock 
stumpy:/tanker/ovirt/host_storage 
/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage (cwd None)
MainProcess|jsonrpc/4::DEBUG::2021-01-18 
08:43:21,198::commands::224::root::(execCmd) SUCCESS: <err> = b''; <rc> = 0
MainProcess|jsonrpc/4::DEBUG::2021-01-18 
08:43:21,198::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) return 
mount with None
MainProcess|jsonrpc/4::DEBUG::2021-01-18 
08:43:21,320::supervdsm_server::93::SuperVdsm.ServerCallback::(wrapper) call 
validateAccess with (<vdsm.supervdsm_server._SuperVdsm object at 
0x7f19293acc88>, 'vdsm', ('kvm',), 
'/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage', 7) {}
MainProcess|jsonrpc/4::DEBUG::2021-01-18 
08:43:21,340::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) return 
validateAccess with None
MainProcess|jsonrpc/4::DEBUG::2021-01-18 
08:43:21,341::supervdsm_server::93::SuperVdsm.ServerCallback::(wrapper) call 
validateAccess with (<vdsm.supervdsm_server._SuperVdsm object at 
0x7f19293acc88>, 'qemu', ('qemu', 'kvm'), 
'/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage', 5) {}
MainProcess|jsonrpc/4::DEBUG::2021-01-18 
08:43:21,368::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) return 
validateAccess with None
MainProcess|jsonrpc/5::DEBUG::2021-01-18 
08:43:21,630::supervdsm_server::93::SuperVdsm.ServerCallback::(wrapper) call 
hbaRescan with (<vdsm.supervdsm_server._SuperVdsm object at 0x7f19293acc88>,) {}
MainProcess|jsonrpc/5::DEBUG::2021-01-18 
08:43:21,630::commands::153::common.commands::(start) /usr/bin/taskset 
--cpu-list 0-3 /usr/libexec/vdsm/fc-scan (cwd None)
MainProcess|jsonrpc/5::DEBUG::2021-01-18 
08:43:21,907::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) return 
hbaRescan with None
MainProcess|jsonrpc/0::DEBUG::2021-01-18 
08:43:23,246::supervdsm_server::93::SuperVdsm.ServerCallback::(wrapper) call 
hbaRescan with (<vdsm.supervdsm_server._SuperVdsm object at 0x7f19293acc88>,) {}
MainProcess|jsonrpc/0::DEBUG::2021-01-18 
08:43:23,246::commands::153::common.commands::(start) /usr/bin/taskset 
--cpu-list 0-3 /usr/libexec/vdsm/fc-scan (cwd None)
MainProcess|jsonrpc/0::DEBUG::2021-01-18 
08:43:23,521::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) return 
hbaRescan with None
MainProcess|jsonrpc/0::DEBUG::2021-01-18 
08:43:23,778::supervdsm_server::93::SuperVdsm.ServerCallback::(wrapper) call 
validateAccess with (<vdsm.supervdsm_server._SuperVdsm object at 
0x7f19293acc88>, 'vdsm', ('kvm',), 
'/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage', 7) {}
MainProcess|jsonrpc/0::DEBUG::2021-01-18 
08:43:23,796::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) return 
validateAccess with None
MainProcess|jsonrpc/0::DEBUG::2021-01-18 
08:43:23,798::supervdsm_server::93::SuperVdsm.ServerCallback::(wrapper) call 
validateAccess with (<vdsm.supervdsm_server._SuperVdsm object at 
0x7f19293acc88>, 'qemu', ('qemu', 'kvm'), 
'/rhev/data-center/mnt/stumpy:_tanker_ovirt_host__storage', 5) {}
MainProcess|jsonrpc/0::DEBUG::2021-01-18 
08:43:23,816::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) return 
validateAccess with None
**end snip**

As  for the mount area, it does get mounted and unmounted. Files and directory 
structure is also created.

root@stumpy:/tanker/ovirt/host_storage# ls -l
total 1
drwxrwsr-x 4 vdsm 36 4 Jan 18 08:43 4b3fb9a9-6975-4b80-a2c1-af4e30865088
root@stumpy:/tanker/ovirt/host_storage# find .
.
./4b3fb9a9-6975-4b80-a2c1-af4e30865088
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/images
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/inbox
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/leases
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/metadata
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/ids
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/xleases
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/outbox
root@stumpy:/tanker/ovirt/host_storage# find . -exec ls -ltrh '{}' \;
total 512
drwxrwsr-x 4 vdsm 36 4 Jan 18 08:43 4b3fb9a9-6975-4b80-a2c1-af4e30865088
total 12K
drwxrwsr-x 2 vdsm 36 8 Jan 18 08:43 dom_md
drwxrwsr-x 2 vdsm 36 2 Jan 18 08:43 images
total 0
total 275K
-rw-rw---- 1 vdsm 36    0 Jan 18 08:43 ids
-rw-rw---- 1 vdsm 36  16M Jan 18 08:43 inbox
-rw-rw---- 1 vdsm 36  16M Jan 18 08:43 outbox
-rw-rw---- 1 vdsm 36    0 Jan 18 08:43 leases
-rw-rw---- 1 vdsm 36 1.3M Jan 18 08:43 xleases
-rw-rw-r-- 1 vdsm 36  342 Jan 18 08:43 metadata
-rw-rw---- 1 vdsm 36 16M Jan 18 08:43 
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/inbox
-rw-rw---- 1 vdsm 36 0 Jan 18 08:43 
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/leases
-rw-rw-r-- 1 vdsm 36 342 Jan 18 08:43 
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/metadata
-rw-rw---- 1 vdsm 36 0 Jan 18 08:43 
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/ids
-rw-rw---- 1 vdsm 36 1.3M Jan 18 08:43 
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/xleases
-rw-rw---- 1 vdsm 36 16M Jan 18 08:43 
./4b3fb9a9-6975-4b80-a2c1-af4e30865088/dom_md/outbox
root@stumpy:/tanker/ovirt/host_storage# 

Thank you,

..Matt
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