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OLVM: Creating A NFS Storage Domain Fails With "Problem while trying to mount target" (Doc ID 2618105.1)

Last updated on APRIL 23, 2020

Applies to:

Linux OS - Version Oracle Linux 7.6 with Unbreakable Enterprise Kernel [4.14.35] and later
Linux x86-64


 From engine.log following messages are seen:

2019-12-06 12:37:10,320+05 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default task-5) [b9a0b220-16a6-4c58-b9b0-e723700f4f41] EVENT_ID: STORAGE_DOMAIN_ERROR(996),
The error message for connection <x.x.x.x>:/repo1 returned by VDSM was: Problem while trying to mount target
2019-12-06 12:37:10,321+05 ERROR [] (default task-5) [b9a0b220-16a6-4c58-b9b0-e723700f4f41] The connection with details '<x.x.x.x>:/repo1' 
failed because of error code '477' and error message is: problem while trying to mount target
2019-12-06 12:37:10,321+05 ERROR [] (default task-5) [b9a0b220-16a6-4c58-b9b0-e723700f4f41] 
Command '' failed: EngineException: ProblemWhileTryingToMountTarget 
(Failed with error ProblemWhileTryingToMountTarget and code 477)

From vdsm.log following messages are seen:

2019-12-06 12:37:10,285+0530 ERROR (jsonrpc/2) [storage.HSM] Could not connect to storageServer (hsm:2415)
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/vdsm/storage/", line 2412, in connectStorageServer
File "/usr/lib/python2.7/site-packages/vdsm/storage/", line 430, in connect
return self._mountCon.connect()
File "/usr/lib/python2.7/site-packages/vdsm/storage/", line 179, in connect
six.reraise(t, v, tb)
File "/usr/lib/python2.7/site-packages/vdsm/storage/", line 171, in connect
self._mount.mount(self.options, self._vfsType, cgroup=self.CGROUP)
File "/usr/lib/python2.7/site-packages/vdsm/storage/", line 207, in mount
File "/usr/lib/python2.7/site-packages/vdsm/common/", line 55, in __call__
return callMethod()
File "/usr/lib/python2.7/site-packages/vdsm/common/", line 53, in <lambda>
File "<string>", line 2, in mount
File "/usr/lib64/python2.7/multiprocessing/", line 773, in _callmethod
raise convert_to_error(kind, result)
MountError: (32, ';mount.nfs: Stale file handle\n')   


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