Can you please share more info?
- The version you are using
- Full log of vdsm and the engine

Is the VM running or down while creating the snapshot?

On Thu, May 3, 2018 at 8:32 PM, Marcelo Leandro <marcelol...@gmail.com>
wrote:

> Anyone help me?
>
> 2018-05-02 17:55 GMT-03:00 Marcelo Leandro <marcelol...@gmail.com>:
>
>> Hello ,
>>
>> I am geting error when try do a snapshot:
>>
>> Error msg in SPM log.
>>
>> 2018-05-02 17:46:11,235-0300 WARN  (tasks/2) [storage.ResourceManager]
>> Resource factory failed to create resource '01_img_6e5cce71-3438-4045-9d5
>> 4-607123e0557e.ed7f1c0f-5986-4979-b783-5c465b0854c6'. Canceling request.
>> (resourceManager:543)
>> Traceback (most recent call last):
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/resourceManager.py",
>> line 539, in registerResource
>>     obj = namespaceObj.factory.createResource(name, lockType)
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/resourceFactories.py",
>> line 193, in createResource
>>     lockType)
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/resourceFactories.py",
>> line 122, in __getResourceCandidatesList
>>     imgUUID=resourceName)
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/image.py", line
>> 213, in getChain
>>     if srcVol.isLeaf():
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/volume.py", line
>> 1430, in isLeaf
>>     return self._manifest.isLeaf()
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/volume.py", line
>> 138, in isLeaf
>>     return self.getVolType() == sc.type2name(sc.LEAF_VOL)
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/volume.py", line
>> 134, in getVolType
>>     self.voltype = self.getMetaParam(sc.VOLTYPE)
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/volume.py", line
>> 118, in getMetaParam
>>     meta = self.getMetadata()
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/blockVolume.py",
>> line 112, in getMetadata
>>     md = VolumeMetadata.from_lines(lines)
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/volumemetadata.py",
>> line 103, in from_lines
>>     "Missing metadata key: %s: found: %s" % (e, md))
>> MetaDataKeyNotFoundError: Meta Data key not found error: ("Missing
>> metadata key: 'DOMAIN': found: {'NONE': '#############################
>> ############################################################
>> ############################################################
>> ############################################################
>> ############################################################
>> ############################################################
>> ############################################################
>> ############################################################
>> #####################################################'}",)
>> 2018-05-02 17:46:11,286-0300 WARN  (tasks/2)
>> [storage.ResourceManager.Request] (ResName='01_img_6e5cce71-3438
>> -4045-9d54-607123e0557e.ed7f1c0f-5986-4979-b783-5c465b0854c6',
>> ReqID='a3cd9388-977b-45b9-9aa0-e431aeff8750') Tried to cancel a
>> processed request (resourceManager:187)
>> 2018-05-02 17:46:11,286-0300 ERROR (tasks/2) [storage.TaskManager.Task]
>> (Task='ba0766ca-08a1-4d65-a4e9-1e0171939037') 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 "/usr/lib/python2.7/site-packages/vdsm/storage/task.py", line
>> 336, in run
>>     return self.cmd(*self.argslist, **self.argsdict)
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/securable.py",
>> line 79, in wrapper
>>     return method(self, *args, **kwargs)
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/sp.py", line 1938,
>> in createVolume
>>     with rm.acquireResource(img_ns, imgUUID, rm.EXCLUSIVE):
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/resourceManager.py",
>> line 1025, in acquireResource
>>     return _manager.acquireResource(namespace, name, lockType,
>> timeout=timeout)
>>   File "/usr/lib/python2.7/site-packages/vdsm/storage/resourceManager.py",
>> line 475, in acquireResource
>>     raise se.ResourceAcqusitionFailed()
>> ResourceAcqusitionFailed: Could not acquire resource. Probably resource
>> factory threw an exception.: ()
>>
>>
>> Anyone help?
>>
>
>
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