Hi all,

I'm writing to ask about the following problem (in a HC HE oVirt 3.6.7 
GlusterFS 3.7.17 3-hosts-replica-with-arbiter sharded-volumes setup all on 
CentOS 7.2):

>From /var/log/messages:

Dec  9 15:27:46 shockley journal: vdsm jsonrpc.JsonRpcServer ERROR Internal 
server error#012Traceback (most recent call last):#012  File 
"/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest#012    res = method(**params)#012  File 
"/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod#012    result = 
fn(*methodArgs)#012  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in 
status#012    return self._gluster.volumeStatus(volumeName, brick, 
statusOption)#012  File "/usr/share/vdsm/gluster/api.py", line 86, in 
wrapper#012    rv = func(*args, **kwargs)#012  File 
"/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus#012    
statusOption)#012  File "/usr/share/vdsm/supervdsm.py", line 50, in 
__call__#012    return callMethod()#012  File "/usr/share/vdsm/supervdsm.py", 
line 48, in <lambda>#012    **kwargs)#012  File "<string>", line 2, in 
glusterVolumeStatus#012  File 
"/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _ca
 llmethod#012    raise convert_to_error(kind, result)#012KeyError: 'device'
Dec  9 15:27:47 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.lib.ovf.ovf_store.OVFStore:Extracting Engine VM OVF 
from the OVF_STORE
Dec  9 15:27:47 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.lib.ovf.ovf_store.OVFStore:OVF_STORE volume path: 
/rhev/data-center/mnt/glusterSD/shockley.gluster.private:_enginedomain/1d60fd45-507d-4a78-8294-d642b3178ea3/images/22a172de-698e-4cc5-bff0-082882fb3347/8738287c-8a25-4a2a-a53a-65c366a972a1
Dec  9 15:27:47 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine.config:Found an 
OVF for HE VM, trying to convert
Dec  9 15:27:47 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine.config:Got vm.conf 
from OVF_STORE
Dec  9 15:27:47 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine:Current state 
EngineUp (score: 3400)
Dec  9 15:27:47 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine:Best remote host 
read.mgmt.private (id: 2, score: 3400)
Dec  9 15:27:48 shockley journal: vdsm jsonrpc.JsonRpcServer ERROR Internal 
server error#012Traceback (most recent call last):#012  File 
"/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest#012    res = method(**params)#012  File 
"/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod#012    result = 
fn(*methodArgs)#012  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in 
status#012    return self._gluster.volumeStatus(volumeName, brick, 
statusOption)#012  File "/usr/share/vdsm/gluster/api.py", line 86, in 
wrapper#012    rv = func(*args, **kwargs)#012  File 
"/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus#012    
statusOption)#012  File "/usr/share/vdsm/supervdsm.py", line 50, in 
__call__#012    return callMethod()#012  File "/usr/share/vdsm/supervdsm.py", 
line 48, in <lambda>#012    **kwargs)#012  File "<string>", line 2, in 
glusterVolumeStatus#012  File 
"/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _ca
 llmethod#012    raise convert_to_error(kind, result)#012KeyError: 'device'
Dec  9 15:27:48 shockley ovirt-ha-broker: 
INFO:ovirt_hosted_engine_ha.broker.listener.ConnectionHandler:Connection 
established
Dec  9 15:27:48 shockley ovirt-ha-broker: 
INFO:ovirt_hosted_engine_ha.broker.listener.ConnectionHandler:Connection closed
Dec  9 15:27:48 shockley ovirt-ha-broker: 
INFO:ovirt_hosted_engine_ha.broker.listener.ConnectionHandler:Connection 
established
Dec  9 15:27:48 shockley ovirt-ha-broker: 
INFO:ovirt_hosted_engine_ha.broker.listener.ConnectionHandler:Connection closed
Dec  9 15:27:48 shockley ovirt-ha-broker: 
INFO:ovirt_hosted_engine_ha.broker.listener.ConnectionHandler:Connection 
established
Dec  9 15:27:48 shockley ovirt-ha-broker: 
INFO:ovirt_hosted_engine_ha.broker.listener.ConnectionHandler:Connection closed
Dec  9 15:27:48 shockley ovirt-ha-broker: 
INFO:ovirt_hosted_engine_ha.broker.listener.ConnectionHandler:Connection 
established
Dec  9 15:27:48 shockley ovirt-ha-broker: 
INFO:ovirt_hosted_engine_ha.broker.listener.ConnectionHandler:Connection closed
Dec  9 15:27:48 shockley ovirt-ha-broker: INFO:mem_free.MemFree:memFree: 7392
Dec  9 15:27:50 shockley journal: vdsm jsonrpc.JsonRpcServer ERROR Internal 
server error#012Traceback (most recent call last):#012  File 
"/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest#012    res = method(**params)#012  File 
"/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod#012    result = 
fn(*methodArgs)#012  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in 
status#012    return self._gluster.volumeStatus(volumeName, brick, 
statusOption)#012  File "/usr/share/vdsm/gluster/api.py", line 86, in 
wrapper#012    rv = func(*args, **kwargs)#012  File 
"/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus#012    
statusOption)#012  File "/usr/share/vdsm/supervdsm.py", line 50, in 
__call__#012    return callMethod()#012  File "/usr/share/vdsm/supervdsm.py", 
line 48, in <lambda>#012    **kwargs)#012  File "<string>", line 2, in 
glusterVolumeStatus#012  File 
"/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _ca
 llmethod#012    raise convert_to_error(kind, result)#012KeyError: 'device'
Dec  9 15:27:52 shockley journal: vdsm jsonrpc.JsonRpcServer ERROR Internal 
server error#012Traceback (most recent call last):#012  File 
"/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest#012    res = method(**params)#012  File 
"/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod#012    result = 
fn(*methodArgs)#012  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in 
status#012    return self._gluster.volumeStatus(volumeName, brick, 
statusOption)#012  File "/usr/share/vdsm/gluster/api.py", line 86, in 
wrapper#012    rv = func(*args, **kwargs)#012  File 
"/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus#012    
statusOption)#012  File "/usr/share/vdsm/supervdsm.py", line 50, in 
__call__#012    return callMethod()#012  File "/usr/share/vdsm/supervdsm.py", 
line 48, in <lambda>#012    **kwargs)#012  File "<string>", line 2, in 
glusterVolumeStatus#012  File 
"/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _ca
 llmethod#012    raise convert_to_error(kind, result)#012KeyError: 'device'
Dec  9 15:27:54 shockley journal: vdsm jsonrpc.JsonRpcServer ERROR Internal 
server error#012Traceback (most recent call last):#012  File 
"/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest#012    res = method(**params)#012  File 
"/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod#012    result = 
fn(*methodArgs)#012  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in 
status#012    return self._gluster.volumeStatus(volumeName, brick, 
statusOption)#012  File "/usr/share/vdsm/gluster/api.py", line 86, in 
wrapper#012    rv = func(*args, **kwargs)#012  File 
"/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus#012    
statusOption)#012  File "/usr/share/vdsm/supervdsm.py", line 50, in 
__call__#012    return callMethod()#012  File "/usr/share/vdsm/supervdsm.py", 
line 48, in <lambda>#012    **kwargs)#012  File "<string>", line 2, in 
glusterVolumeStatus#012  File 
"/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _ca
 llmethod#012    raise convert_to_error(kind, result)#012KeyError: 'device'
Dec  9 15:27:55 shockley ovirt-ha-broker: 
INFO:cpu_load_no_engine.EngineHealth:System load total=0.1234, engine=0.0364, 
non-engine=0.0869
Dec  9 15:27:57 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine:Initializing VDSM
Dec  9 15:27:57 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine:Connecting the 
storage
Dec  9 15:27:58 shockley journal: vdsm jsonrpc.JsonRpcServer ERROR Internal 
server error#012Traceback (most recent call last):#012  File 
"/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest#012    res = method(**params)#012  File 
"/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod#012    result = 
fn(*methodArgs)#012  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in 
status#012    return self._gluster.volumeStatus(volumeName, brick, 
statusOption)#012  File "/usr/share/vdsm/gluster/api.py", line 86, in 
wrapper#012    rv = func(*args, **kwargs)#012  File 
"/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus#012    
statusOption)#012  File "/usr/share/vdsm/supervdsm.py", line 50, in 
__call__#012    return callMethod()#012  File "/usr/share/vdsm/supervdsm.py", 
line 48, in <lambda>#012    **kwargs)#012  File "<string>", line 2, in 
glusterVolumeStatus#012  File 
"/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _ca
 llmethod#012    raise convert_to_error(kind, result)#012KeyError: 'device'
Dec  9 15:27:58 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.lib.storage_server.StorageServer:Connecting storage 
server
Dec  9 15:27:58 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.lib.storage_server.StorageServer:Connecting storage 
server
Dec  9 15:27:59 shockley ovirt-ha-agent: 
INFO:ovirt_hosted_engine_ha.lib.storage_server.StorageServer:Refreshing the 
storage domain
Dec  9 15:27:59 shockley ovirt-ha-broker: 
INFO:ovirt_hosted_engine_ha.broker.listener.ConnectionHandler:Connection 
established
Dec  9 15:27:59 shockley journal: vdsm jsonrpc.JsonRpcServer ERROR Internal 
server error#012Traceback (most recent call last):#012  File 
"/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest#012    res = method(**params)#012  File 
"/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod#012    result = 
fn(*methodArgs)#012  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in 
status#012    return self._gluster.volumeStatus(volumeName, brick, 
statusOption)#012  File "/usr/share/vdsm/gluster/api.py", line 86, in 
wrapper#012    rv = func(*args, **kwargs)#012  File 
"/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus#012    
statusOption)#012  File "/usr/share/vdsm/supervdsm.py", line 50, in 
__call__#012    return callMethod()#012  File "/usr/share/vdsm/supervdsm.py", 
line 48, in <lambda>#012    **kwargs)#012  File "<string>", line 2, in 
glusterVolumeStatus#012  File 
"/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _ca
 llmethod#012    raise convert_to_error(kind, result)#012KeyError: 'device'

>From /var/log/vdsm/vdsm.log:

jsonrpc.Executor/1::ERROR::2016-12-09 
15:27:46,870::__init__::538::jsonrpc.JsonRpcServer::(_serveRequest) Internal 
server error
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest
    res = method(**params)
  File "/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod
    result = fn(*methodArgs)
  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in status
    return self._gluster.volumeStatus(volumeName, brick, statusOption)
  File "/usr/share/vdsm/gluster/api.py", line 86, in wrapper
    rv = func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus
    statusOption)
  File "/usr/share/vdsm/supervdsm.py", line 50, in __call__
    return callMethod()
  File "/usr/share/vdsm/supervdsm.py", line 48, in <lambda>
    **kwargs)
  File "<string>", line 2, in glusterVolumeStatus
  File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in 
_callmethod
    raise convert_to_error(kind, result)
KeyError: 'device'
jsonrpc.Executor/5::ERROR::2016-12-09 
15:27:48,627::__init__::538::jsonrpc.JsonRpcServer::(_serveRequest) Internal 
server error
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest
    res = method(**params)
  File "/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod
    result = fn(*methodArgs)
  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in status
    return self._gluster.volumeStatus(volumeName, brick, statusOption)
  File "/usr/share/vdsm/gluster/api.py", line 86, in wrapper
    rv = func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus
    statusOption)
  File "/usr/share/vdsm/supervdsm.py", line 50, in __call__
    return callMethod()
  File "/usr/share/vdsm/supervdsm.py", line 48, in <lambda>
    **kwargs)
  File "<string>", line 2, in glusterVolumeStatus
  File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in 
_callmethod
    raise convert_to_error(kind, result)
KeyError: 'device'
jsonrpc.Executor/7::ERROR::2016-12-09 
15:27:50,164::__init__::538::jsonrpc.JsonRpcServer::(_serveRequest) Internal 
server error
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest
    res = method(**params)
  File "/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod
    result = fn(*methodArgs)
  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in status
    return self._gluster.volumeStatus(volumeName, brick, statusOption)
  File "/usr/share/vdsm/gluster/api.py", line 86, in wrapper
    rv = func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus
    statusOption)
  File "/usr/share/vdsm/supervdsm.py", line 50, in __call__
    return callMethod()
  File "/usr/share/vdsm/supervdsm.py", line 48, in <lambda>
    **kwargs)
  File "<string>", line 2, in glusterVolumeStatus
  File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in 
_callmethod
    raise convert_to_error(kind, result)
KeyError: 'device'
jsonrpc.Executor/0::ERROR::2016-12-09 
15:27:52,804::__init__::538::jsonrpc.JsonRpcServer::(_serveRequest) Internal 
server error
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest
    res = method(**params)
  File "/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod
    result = fn(*methodArgs)
  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in status
    return self._gluster.volumeStatus(volumeName, brick, statusOption)
  File "/usr/share/vdsm/gluster/api.py", line 86, in wrapper
    rv = func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus
    statusOption)
  File "/usr/share/vdsm/supervdsm.py", line 50, in __call__
    return callMethod()
  File "/usr/share/vdsm/supervdsm.py", line 48, in <lambda>
    **kwargs)
  File "<string>", line 2, in glusterVolumeStatus
  File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in 
_callmethod
    raise convert_to_error(kind, result)
KeyError: 'device'
jsonrpc.Executor/5::ERROR::2016-12-09 
15:27:54,679::__init__::538::jsonrpc.JsonRpcServer::(_serveRequest) Internal 
server error
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest
    res = method(**params)
  File "/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod
    result = fn(*methodArgs)
  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in status
    return self._gluster.volumeStatus(volumeName, brick, statusOption)
  File "/usr/share/vdsm/gluster/api.py", line 86, in wrapper
    rv = func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus
    statusOption)
  File "/usr/share/vdsm/supervdsm.py", line 50, in __call__
    return callMethod()
  File "/usr/share/vdsm/supervdsm.py", line 48, in <lambda>
    **kwargs)
  File "<string>", line 2, in glusterVolumeStatus
  File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in 
_callmethod
    raise convert_to_error(kind, result)
KeyError: 'device'
jsonrpc.Executor/2::ERROR::2016-12-09 
15:27:58,349::__init__::538::jsonrpc.JsonRpcServer::(_serveRequest) Internal 
server error
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest
    res = method(**params)
  File "/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod
    result = fn(*methodArgs)
  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in status
    return self._gluster.volumeStatus(volumeName, brick, statusOption)
  File "/usr/share/vdsm/gluster/api.py", line 86, in wrapper
    rv = func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus
    statusOption)
  File "/usr/share/vdsm/supervdsm.py", line 50, in __call__
    return callMethod()
  File "/usr/share/vdsm/supervdsm.py", line 48, in <lambda>
    **kwargs)
  File "<string>", line 2, in glusterVolumeStatus
  File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in 
_callmethod
    raise convert_to_error(kind, result)
KeyError: 'device'
jsonrpc.Executor/4::ERROR::2016-12-09 
15:27:59,169::__init__::538::jsonrpc.JsonRpcServer::(_serveRequest) Internal 
server error
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 533, in 
_serveRequest
    res = method(**params)
  File "/usr/share/vdsm/rpc/Bridge.py", line 275, in _dynamicMethod
    result = fn(*methodArgs)
  File "/usr/share/vdsm/gluster/apiwrapper.py", line 117, in status
    return self._gluster.volumeStatus(volumeName, brick, statusOption)
  File "/usr/share/vdsm/gluster/api.py", line 86, in wrapper
    rv = func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/api.py", line 407, in volumeStatus
    statusOption)
  File "/usr/share/vdsm/supervdsm.py", line 50, in __call__
    return callMethod()
  File "/usr/share/vdsm/supervdsm.py", line 48, in <lambda>
    **kwargs)
  File "<string>", line 2, in glusterVolumeStatus
  File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in 
_callmethod
    raise convert_to_error(kind, result)
KeyError: 'device'

>From /var/log/vdsm/supervdsm.log:

Traceback (most recent call last):
  File "/usr/share/vdsm/supervdsmServer", line 118, in wrapper
    res = func(*args, **kwargs)
  File "/usr/share/vdsm/supervdsmServer", line 534, in wrapper
    return func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/cli.py", line 352, in volumeStatus
    return _parseVolumeStatusDetail(xmltree)
  File "/usr/share/vdsm/gluster/cli.py", line 216, in _parseVolumeStatusDetail
    'device': value['device'],
KeyError: 'device'
MainProcess|jsonrpc.Executor/5::ERROR::2016-12-09 
15:27:48,625::supervdsmServer::120::SuperVdsm.ServerCallback::(wrapper) Error 
in wrapper
Traceback (most recent call last):
  File "/usr/share/vdsm/supervdsmServer", line 118, in wrapper
    res = func(*args, **kwargs)
  File "/usr/share/vdsm/supervdsmServer", line 534, in wrapper
    return func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/cli.py", line 352, in volumeStatus
    return _parseVolumeStatusDetail(xmltree)
  File "/usr/share/vdsm/gluster/cli.py", line 216, in _parseVolumeStatusDetail
    'device': value['device'],
KeyError: 'device'
MainProcess|jsonrpc.Executor/7::ERROR::2016-12-09 
15:27:50,163::supervdsmServer::120::SuperVdsm.ServerCallback::(wrapper) Error 
in wrapper
Traceback (most recent call last):
  File "/usr/share/vdsm/supervdsmServer", line 118, in wrapper
    res = func(*args, **kwargs)
  File "/usr/share/vdsm/supervdsmServer", line 534, in wrapper
    return func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/cli.py", line 352, in volumeStatus
    return _parseVolumeStatusDetail(xmltree)
  File "/usr/share/vdsm/gluster/cli.py", line 216, in _parseVolumeStatusDetail
    'device': value['device'],
KeyError: 'device'
MainProcess|jsonrpc.Executor/0::ERROR::2016-12-09 
15:27:52,803::supervdsmServer::120::SuperVdsm.ServerCallback::(wrapper) Error 
in wrapper
Traceback (most recent call last):
  File "/usr/share/vdsm/supervdsmServer", line 118, in wrapper
    res = func(*args, **kwargs)
  File "/usr/share/vdsm/supervdsmServer", line 534, in wrapper
    return func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/cli.py", line 352, in volumeStatus
    return _parseVolumeStatusDetail(xmltree)
  File "/usr/share/vdsm/gluster/cli.py", line 216, in _parseVolumeStatusDetail
    'device': value['device'],
KeyError: 'device'
MainProcess|jsonrpc.Executor/5::ERROR::2016-12-09 
15:27:54,677::supervdsmServer::120::SuperVdsm.ServerCallback::(wrapper) Error 
in wrapper
Traceback (most recent call last):
  File "/usr/share/vdsm/supervdsmServer", line 118, in wrapper
    res = func(*args, **kwargs)
  File "/usr/share/vdsm/supervdsmServer", line 534, in wrapper
    return func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/cli.py", line 352, in volumeStatus
    return _parseVolumeStatusDetail(xmltree)
  File "/usr/share/vdsm/gluster/cli.py", line 216, in _parseVolumeStatusDetail
    'device': value['device'],
KeyError: 'device'
MainProcess|jsonrpc.Executor/2::ERROR::2016-12-09 
15:27:58,348::supervdsmServer::120::SuperVdsm.ServerCallback::(wrapper) Error 
in wrapper
Traceback (most recent call last):
  File "/usr/share/vdsm/supervdsmServer", line 118, in wrapper
    res = func(*args, **kwargs)
  File "/usr/share/vdsm/supervdsmServer", line 534, in wrapper
    return func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/cli.py", line 352, in volumeStatus
    return _parseVolumeStatusDetail(xmltree)
  File "/usr/share/vdsm/gluster/cli.py", line 216, in _parseVolumeStatusDetail
    'device': value['device'],
KeyError: 'device'
MainProcess|jsonrpc.Executor/4::ERROR::2016-12-09 
15:27:59,168::supervdsmServer::120::SuperVdsm.ServerCallback::(wrapper) Error 
in wrapper
Traceback (most recent call last):
  File "/usr/share/vdsm/supervdsmServer", line 118, in wrapper
    res = func(*args, **kwargs)
  File "/usr/share/vdsm/supervdsmServer", line 534, in wrapper
    return func(*args, **kwargs)
  File "/usr/share/vdsm/gluster/cli.py", line 352, in volumeStatus
    return _parseVolumeStatusDetail(xmltree)
  File "/usr/share/vdsm/gluster/cli.py", line 216, in _parseVolumeStatusDetail
    'device': value['device'],
KeyError: 'device'

Please note that the whole oVirt cluster is working (apparently) as it should, 
but due to a known limitation with split-GlusterFS-network setup 
(http://lists.ovirt.org/pipermail/users/2016-August/042119.html solved in 
https://gerrit.ovirt.org/#/c/60083/ but maybe not backported to 3.6.x or 
present only in nightly later than 3.6.7, right?) GlusterFS volumes are being 
managed from the hosts commandline only, while the oVirt Engine webui is used 
only to monitor them.

The GlusterFS part is currently experiencing some recurring NFS crashes (using 
internal GlusterFS NFS support, not NFS-Ganesha) as reported in Gluster users 
mailing list and in Bugzilla 
(http://www.gluster.org/pipermail/gluster-users/2016-December/029357.html and 
https://bugzilla.redhat.com/show_bug.cgi?id=1381970 without any feedback 
insofar...) but only on not-oVirt-related volumes.

Finally, I can confirm that checking all oVirt-related and not-oVirt-related 
GlusterFS volumes from the hosts commandline with:

vdsClient -s localhost glusterVolumeStatus volumeName=nomevolume

always succeeds without errors.

Many thanks in advance for any advice (please note that I'm planning to upgrade 
from 3.6.7 to latest nightly 3.6.10.x as soon as the corresponding RHEV gets 
announced, then later on all the way up to 4.1.0 as soon as it stabilizes; on 
GlusterFS-side I'd like to upgrade asap to 3.8.x but I cannot find any hint on 
oVirt 3.6.x compatibility...).

Best regards,
Giuseppe

PS: please keep my address in to/copy since I still have problems receiving 
oVirt mailing list messages on Hotmail.


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