[ovirt-users] ovirt-3.6 and glusterfs doc

[Nir Soffer]

On Fri, Jan 29, 2016 at 11:29 PM, Bill James <bill.james at j2.com> wrote:
> [root at ovirt3 test vdsm]# gluster volume info
> --remote-host=ovirt3.test.j2noc.com
> No volumes present
>
> I thought ovirt was suppose to create the volume. Am I suppose to create it
> first?

Yes, ovirt is consuming gluster volumes created on the gluster server side.
ovirt will create vm disk images on the gluster volume.

Nir

>
> Thank you for the doc, I'll read through that...
>
>
>
>
>
> On 1/29/16 1:26 PM, Nir Soffer wrote:
>>
>> On Fri, Jan 29, 2016 at 11:08 PM, Bill James <bill.james at j2.com> wrote:
>>>
>>> jsonrpc.Executor/6::DEBUG::2016-01-29
>>> 12:58:16,854::task::595::Storage.TaskManager.Task::(_updateState)
>>> Task=`e6f93ddd-23c3-4b5b-879a-3c31d4b8d773`::movin
>>> g from state init -> state preparing
>>> jsonrpc.Executor/6::INFO::2016-01-29
>>> 12:58:16,854::logUtils::48::dispatcher::(wrapper) Run and protect:
>>> connectStorageServer(domType=7, spUUID=u'00000000-
>>> 0000-0000-0000-000000000000', conList=[{u'id':
>>> u'00000000-0000-0000-0000-000000000000', u'connection':
>>> u'ovirt3.test.j2noc.com:/gluster-store/vol1', u'iqn
>>> ': u'', u'user': u'', u'tpgt': u'1', u'vfs_type': u'glusterfs',
>>> u'password':
>>> '********', u'port': u''}], options=None)
>>> jsonrpc.Executor/6::ERROR::2016-01-29
>>> 12:58:16,950::hsm::2465::Storage.HSM::(connectStorageServer) Could not
>>> connect to storageServer
>>> Traceback (most recent call last):
>>>    File "/usr/share/vdsm/storage/hsm.py", line 2462, in
>>> connectStorageServer
>>>      conObj.connect()
>>>    File "/usr/share/vdsm/storage/storageServer.py", line 220, in connect
>>>      self.validate()
>>>    File "/usr/share/vdsm/storage/storageServer.py", line 335, in validate
>>>      replicaCount = self.volinfo['replicaCount']
>>>    File "/usr/share/vdsm/storage/storageServer.py", line 331, in volinfo
>>>      self._volinfo = self._get_gluster_volinfo()
>>>    File "/usr/share/vdsm/storage/storageServer.py", line 358, in
>>> _get_gluster_volinfo
>>>      return volinfo[self._volname]
>>> KeyError: u'gluster-store/vol1'
>>
>> This means that the gluster server at ovirt3.test.j2noc.com does not
>> have a volume named "gluster-store/vol1"
>>
>> I guess that /gluster-store is the mountpoint and the volume name is
>> "vol1".
>>
>> On the engine side, you probably need to set the storage domain path to
>>
>>      ovirt3.test.j2noc.com:/vol1
>>
>> Can you share with us the output of:
>>
>>      gluster volume info --remote-host=ovirt3.test.j2noc.com
>>
>> This should return something like:
>>
>>          {VOLUMENAME: {'brickCount': BRICKCOUNT,
>>                        'bricks': [BRICK1, BRICK2, ...],
>>                        'options': {OPTION: VALUE, ...},
>>                        'transportType': [TCP,RDMA, ...],
>>                        'uuid': UUID,
>>                        'volumeName': NAME,
>>                        'volumeStatus': STATUS,
>>                        'volumeType': TYPE}, ...}
>>
>> The fact that this code fails with a KeyError is a bug. We should have
>> returned a clear error in this case instead of failing with KeyError,
>> which
>> show a generic and unhelpful error message in the engine side.
>> Please file a bug about it.
>>
>> I found the document about configuring gluster for ovirt:
>>
>> http://www.gluster.org/community/documentation/index.php/Virt-store-usecase
>>
>> Nir
>>
>>> jsonrpc.Executor/6::DEBUG::2016-01-29
>>> 12:58:16,950::hsm::2489::Storage.HSM::(connectStorageServer) knownSDs: {}
>>> jsonrpc.Executor/6::INFO::2016-01-29
>>> 12:58:16,951::logUtils::51::dispatcher::(wrapper) Run and protect:
>>> connectStorageServer, Return response: {'statuslis
>>> t': [{'status': 100, 'id': u'00000000-0000-0000-0000-000000000000'}]}
>>> jsonrpc.Executor/6::DEBUG::2016-01-29
>>> 12:58:16,951::task::1191::Storage.TaskManager.Task::(prepare)
>>> Task=`e6f93ddd-23c3-4b5b-879a-3c31d4b8d773`::finished:
>>>   {'statuslist': [{'status': 100, 'id':
>>> u'00000000-0000-0000-0000-000000000000'}]}
>>> jsonrpc.Executor/6::DEBUG::2016-01-29
>>> 12:58:16,951::task::595::Storage.TaskManager.Task::(_updateState)
>>> Task=`e6f93ddd-23c3-4b5b-879a-3c31d4b8d773`::movin
>>> g from state preparing -> state finished
>>>
>>>
>>>
>>>
>>> On 1/29/16 1:05 PM, Nir Soffer wrote:
>>>>
>>>> On Fri, Jan 29, 2016 at 9:31 PM, Bill James <bill.james at j2.com> wrote:
>>>>>
>>>>> I'm trying to setup a ovirt3.6.2 cluster on centos7.2 and am having
>>>>> problems
>>>>> finding a doc that explains how to setup gluster storage for it.
>>>>
>>>> There was good gluster documentation for setting up volumes for ovirt,
>>>> but I cannot find it now.
>>>>
>>>> Sahina, can you point us to this document?
>>>>
>>>>> If I try to create a Storage domain with storage type GlusterFS it
>>>>> comes
>>>>> back with "General Exception".
>>>>> I'm not using Hosted-engine, engine is on a separate host by its self.
>>>>> I have 3 nodes, all running centos7.2.
>>>>>
>>>>> vdsm.log:
>>>>>
>>>>> jsonrpc.Executor/0::DEBUG::2016-01-29
>>>>> 11:06:35,023::__init__::503::jsonrpc.JsonRpcServer::(_serveRequest)
>>>>> Calling
>>>>> 'StoragePool.connectStorageServer' in br
>>>>> idge with {u'connectionParams': [{u'id':
>>>>> u'00000000-0000-0000-0000-000000000000', u'connection':
>>>>> u'ovirt3.test.j2noc.com:/gluster-store', u'iqn': u'', u'u
>>>>> ser': u'', u'tpgt': u'1', u'vfs_type': u'glusterfs', u'password':
>>>>> '********', u'port': u''}], u'storagepoolID':
>>>>> u'00000000-0000-0000-0000-000000000000', u
>>>>> 'domainType': 7}
>>>>> jsonrpc.Executor/0::DEBUG::2016-01-29
>>>>> 11:06:35,024::task::595::Storage.TaskManager.Task::(_updateState)
>>>>> Task=`e49fc739-faaf-40f1-b512-868b936fbcc1`::movin
>>>>> g from state init -> state preparing
>>>>> jsonrpc.Executor/0::INFO::2016-01-29
>>>>> 11:06:35,024::logUtils::48::dispatcher::(wrapper) Run and protect:
>>>>> connectStorageServer(domType=7, spUUID=u'00000000-
>>>>> 0000-0000-0000-000000000000', conList=[{u'id':
>>>>> u'00000000-0000-0000-0000-000000000000', u'connection':
>>>>> u'ovirt3.test.j2noc.com:/gluster-store', u'iqn': u'
>>>>> ', u'user': u'', u'tpgt': u'1', u'vfs_type': u'glusterfs', u'password':
>>>>> '********', u'port': u''}], options=None)
>>>>> jsonrpc.Executor/0::ERROR::2016-01-29
>>>>> 11:06:35,120::hsm::2465::Storage.HSM::(connectStorageServer) Could not
>>>>> connect to storageServer
>>>>> Traceback (most recent call last):
>>>>>     File "/usr/share/vdsm/storage/hsm.py", line 2462, in
>>>>> connectStorageServer
>>>>>       conObj.connect()
>>>>>     File "/usr/share/vdsm/storage/storageServer.py", line 220, in
>>>>> connect
>>>>>       self.validate()
>>>>
>>>> The next lines in the log should explain the error - can you send them?
>>>>
>>>> Nir
>>>
>>>
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