[Users] Use Filer for NFS storage

[Adam Litke]

On Sun, Apr 15, 2012 at 04:57:15PM +0300, Dan Kenigsberg wrote:
> On Fri, Apr 13, 2012 at 12:26:39PM -0700, Christian Hernandez wrote:
> > Here is the log from the Host
> > 
> > 
> > *Thread-1821::DEBUG::2012-04-13
> > 12:18:52,200::BindingXMLRPC::167::vds::(wrapper) [192.168.11.236]
> > Thread-1821::ERROR::2012-04-13
> > 12:18:52,200::BindingXMLRPC::171::vds::(wrapper) Unexpected exception
> > Traceback (most recent call last):
> >   File "/usr/share/vdsm/BindingXMLRPC.py", line 169, in wrapper
> >     return f(*args, **kwargs)
> >   File "/usr/share/vdsm/BindingXMLRPC.py", line 571, in
> > poolValidateStorageServerConnection
> >     return pool.validateStorageServerConnection(domType, conList)
> >   File "/usr/share/vdsm/API.py", line 897, in
> > validateStorageServerConnection
> >     return self._irs.validateStorageServerConnection(domainType,
> > AttributeError: 'NoneType' object has no attribute
> > 'validateStorageServerConnection'
> > Thread-1822::DEBUG::2012-04-13
> > 12:18:52,333::BindingXMLRPC::167::vds::(wrapper) [192.168.11.236]
> > Thread-1822::ERROR::2012-04-13
> > 12:18:52,334::BindingXMLRPC::171::vds::(wrapper) Unexpected exception
> > Traceback (most recent call last):
> >   File "/usr/share/vdsm/BindingXMLRPC.py", line 169, in wrapper
> >     return f(*args, **kwargs)
> >   File "/usr/share/vdsm/BindingXMLRPC.py", line 491, in
> > poolDisconnectStorageServer
> >     return pool.disconnectStorageServer(domType, conList)
> >   File "/usr/share/vdsm/API.py", line 823, in disconnectStorageServer
> >     return self._irs.disconnectStorageServer(domainType, self._UUID,
> > AttributeError: 'NoneType' object has no attribute 'disconnectStorageServer'
> 
> It seems like the interesting traceback should be further up - I
> suppose self._irs failed initialization and kept its original None
> value. Please scroll up and try to find out why this failed on Vdsm
> startup.
> 
> We have a FIXME in vdsm so that we report such failures better:
> 
> vdsm/BindingXMLRPC.py: # XXX: Need another way to check if IRS init was okay
> 
> Adam, could you take a further look into this?

Have a look at http://gerrit.ovirt.org/3571 .  This should handle the problem
better by reporting a better error when storage was not initialized properly.

-- 
Adam Litke <agl at us.ibm.com>
IBM Linux Technology Center