[ovirt-users] storage randomly going non responsive for long times

[info at aliengine.it]

storage randomly going non responsive for long times and then coming
back just on this machine. the storage nfs server replies to pings so
it's not the connection. I have another ovirt server on the same nfs and
it has no problems please help.

Thread-23::DEBUG::2014-05-12
20:41:12,423::resourceManager::649::ResourceManager::(releaseResource)
No one is waiting for resource 'Storage.HsmDomainMonitorLock', Clearing
records.
Thread-23::ERROR::2014-05-12
20:41:12,424::task::866::TaskManager.Task::(_setError)
Task=`5588679c-cbe8-4956-9022-86474134ae7a`::Unexpected error
Traceback (most recent call last):
  File "/usr/share/vdsm/storage/task.py", line 873, in _run
    return fn(*args, **kargs)
  File "/usr/share/vdsm/logUtils.py", line 45, in wrapper
    res = f(*args, **kwargs)
  File "/usr/share/vdsm/storage/hsm.py", line 1020, in
connectStoragePool
    spUUID, hostID, msdUUID, masterVersion, domainsMap)
  File "/usr/share/vdsm/storage/hsm.py", line 1091, in
_connectStoragePool
    res = pool.connect(hostID, msdUUID, masterVersion)
  File "/usr/share/vdsm/storage/sp.py", line 630, in connect
    self.__rebuild(msdUUID=msdUUID, masterVersion=masterVersion)
  File "/usr/share/vdsm/storage/sp.py", line 1153, in __rebuild
    self.setMasterDomain(msdUUID, masterVersion)
  File "/usr/share/vdsm/storage/sp.py", line 1360, in setMasterDomain
    raise se.StoragePoolMasterNotFound(self.spUUID, msdUUID)
StoragePoolMasterNotFound: Cannot find master domain:
'spUUID=00000002-0002-0002-0002-000000000168,
msdUUID=13425a8d-f56a-4d4f-88fa-2fb4202fffb8'
Thread-23::DEBUG::2014-05-12
20:41:12,424::task::885::TaskManager.Task::(_run)
Task=`5588679c-cbe8-4956-9022-86474134ae7a`::Task._run:
5588679c-cbe8-4956-9022-86474134ae7a
('00000002-0002-0002-0002-000000000168', 1,
'13425a8d-f56a-4d4f-88fa-2fb4202fffb8', 1, None) {} failed - stopping
task
Thread-23::DEBUG::2014-05-12
20:41:12,424::task::1211::TaskManager.Task::(stop)
Task=`5588679c-cbe8-4956-9022-86474134ae7a`::stopping in state preparing
(force False)