On Fri, Nov 27, 2020, 15:02 Stefan Wolf <shb256@gmail.com> wrote:
Hello,
I ve a host that can not connet to gluster storage.
It has worked since I ve set up the environment, and today it stoped working

this are the error messages in the webui
The error message for connection kvm380.durchhalten.intern:/data returned by VDSM was: Failed to fetch Gluster Volume List
Failed to connect Host kvm380.durchhalten.intern to the Storage Domains data.
Failed to connect Host kvm380.durchhalten.intern to the Storage Domains hosted_storage.


and here the vdsm.log

StorageDomainDoesNotExist: Storage domain does not exist: (u'36663740-576a-4498-b28e-0a402628c6a7',)
2020-11-27 12:59:07,665+0000 INFO  (jsonrpc/2) [storage.TaskManager.Task] (Task='8bed48b8-0696-4d3f-966a-119219f3b013') aborting: Task is aborted: "Storage domain does not exist: (u'36663740-576a-4498-b28e-0a402628c6a7',)" - code 358 (task:1181)
2020-11-27 12:59:07,665+0000 ERROR (jsonrpc/2) [storage.Dispatcher] FINISH getStorageDomainInfo error=Storage domain does not exist: (u'36663740-576a-4498-b28e-0a402628c6a7',) (dispatcher:83)
2020-11-27 12:59:07,666+0000 INFO  (jsonrpc/2) [jsonrpc.JsonRpcServer] RPC call StorageDomain.getInfo failed (error 358) in 0.38 seconds (__init__:312)
2020-11-27 12:59:07,698+0000 INFO  (jsonrpc/7) [vdsm.api] START connectStorageServer(domType=7, spUUID=u'00000000-0000-0000-0000-000000000000', conList=[{u'id': u'e29cf818-5ee5-46e1-85c1-8aeefa33e95d', u'vfs_type': u'glusterfs', u'connection': u'kvm380.durchhalten.intern:/engine', u'user': u'kvm'}], options=None) from=::1,40964, task_id=3a3eeb80-50ef-4710-a4f4-9d35da2ff281 (api:48)
2020-11-27 12:59:07,871+0000 ERROR (jsonrpc/7) [storage.HSM] Could not connect to storageServer (hsm:2420)
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/vdsm/storage/hsm.py", line 2417, in connectStorageServer
    conObj.connect()
  File "/usr/lib/python2.7/site-packages/vdsm/storage/storageServer.py", line 167, in connect
    self.validate()
  File "/usr/lib/python2.7/site-packages/vdsm/storage/storageServer.py", line 297, in validate
    if not self.volinfo:
  File "/usr/lib/python2.7/site-packages/vdsm/storage/storageServer.py", line 284, in volinfo
    self._volinfo = self._get_gluster_volinfo()
  File "/usr/lib/python2.7/site-packages/vdsm/storage/storageServer.py", line 329, in _get_gluster_volinfo
    self._volfileserver)
  File "/usr/lib/python2.7/site-packages/vdsm/common/supervdsm.py", line 56, in __call__
    return callMethod()
  File "/usr/lib/python2.7/site-packages/vdsm/common/supervdsm.py", line 54, in <lambda>
    **kwargs)
  File "<string>", line 2, in glusterVolumeInfo
  File "/usr/lib64/python2.7/multiprocessing/managers.py", line 773, in _callmethod
    raise convert_to_error(kind, result)
GlusterVolumesListFailedException: Volume list failed: rc=30806 out=() err=['Volume does not exist']
2020-11-27 12:59:07,871+0000 INFO  (jsonrpc/7) [vdsm.api] FINISH connectStorageServer return={'statuslist': [{'status': 4149, 'id': u'e29cf818-5ee5-46e1-85c1-8aeefa33e95d'}]} from=::1,40964, task_id=3a3eeb80-50ef-4710-a4f4-9d35da2ff281 (api:54)
2020-11-27 12:59:07,871+0000 INFO  (jsonrpc/7) [jsonrpc.JsonRpcServer] RPC call StoragePool.connectStorageServer succeeded in 0.18 seconds (__init__:312)
2020-11-27 12:59:08,474+0000 INFO  (Reactor thread) [ProtocolDetector.AcceptorImpl] Accepted connection from ::1:40966 (protocoldetector:61)
2020-11-27 12:59:08,484+0000 INFO  (Reactor thread) [ProtocolDetector.Detector] Detected protocol stomp from ::1:40966 (protocoldetector:125)
2020-11-27 12:59:08,484+0000 INFO  (Reactor thread) [Broker.StompAdapter] Processing CONNECT request (stompserver:95)
2020-11-27 12:59:08,485+0000 INFO  (JsonRpc (StompReactor)) [Broker.StompAdapter] Subscribe command received (stompserver:124)
2020-11-27 12:59:08,525+0000 INFO  (jsonrpc/1) [jsonrpc.JsonRpcServer] RPC call Host.ping2 succeeded in 0.00 seconds (__init__:312)
2020-11-27 12:59:08,529+0000 INFO  (jsonrpc/0) [jsonrpc.JsonRpcServer] RPC call Host.ping2 succeeded in 0.00 seconds (__init__:312)
2020-11-27 12:59:08,533+0000 INFO  (jsonrpc/6) [vdsm.api] START getStorageDomainInfo(sdUUID=u'36663740-576a-4498-b28e-0a402628c6a7', options=None) from=::1,40966, task_id=ee3ac98e-6a93-4cb2-a626-5533c8fb78ad (api:48)
2020-11-27 12:59:08,909+0000 INFO  (jsonrpc/6) [vdsm.api] FINISH getStorageDomainInfo error=Storage domain does not exist: (u'36663740-576a-4498-b28e-0a402628c6a7',) from=::1,40966, task_id=ee3ac98e-6a93-4cb2-a626-5533c8fb78ad (api:52)
2020-11-27 12:59:08,910+0000 ERROR (jsonrpc/6) [storage.TaskManager.Task] (Task='ee3ac98e-6a93-4cb2-a626-5533c8fb78ad') Unexpected error (task:875)
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/vdsm/storage/task.py", line 882, in _run
    return fn(*args, **kargs)
  File "<string>", line 2, in getStorageDomainInfo
  File "/usr/lib/python2.7/site-packages/vdsm/common/api.py", line 50, in method
    ret = func(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/vdsm/storage/hsm.py", line 2753, in getStorageDomainInfo
    dom = self.validateSdUUID(sdUUID)
  File "/usr/lib/python2.7/site-packages/vdsm/storage/hsm.py", line 305, in validateSdUUID
    sdDom = sdCache.produce(sdUUID=sdUUID)
  File "/usr/lib/python2.7/site-packages/vdsm/storage/sdc.py", line 110, in produce
    domain.getRealDomain()
  File "/usr/lib/python2.7/site-packages/vdsm/storage/sdc.py", line 51, in getRealDomain
    return self._cache._realProduce(self._sdUUID)
  File "/usr/lib/python2.7/site-packages/vdsm/storage/sdc.py", line 134, in _realProduce
    domain = self._findDomain(sdUUID)
  File "/usr/lib/python2.7/site-packages/vdsm/storage/sdc.py", line 151, in _findDomain
    return findMethod(sdUUID)
  File "/usr/lib/python2.7/site-packages/vdsm/storage/sdc.py", line 176, in _findUnfetchedDomain
    raise se.StorageDomainDoesNotExist(sdUUID)
StorageDomainDoesNotExist: Storage domain does not exist: (u'36663740-576a-4498-b28e-0a402628c6a7',)

can somebody tell me where the problem is and how can it solved
Is the host a member of the gluster pool? Are you able to manually mount the volume from same host?
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