Description of problem:

- createStorageDomain from more then 10 luns 
- createVG is sent
- vdsm returns an ERROR: 
StorageDomainIsMadeFromTooManyPVs: Storage domain is made from too many PVs: ()
- backend return an ERROR:

2012-03-15 10:30:37,259 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase] (http--0.0.0.0-8080-1) [2ab35d01] Command org.ovirt.engine.core.vdsbroker.vdsbroker.CreateStorageDomainVDSCommand return value 
 Class Name: org.ovirt.engine.core.vdsbroker.vdsbroker.StatusOnlyReturnForXmlRpc
mStatus                       Class Name: org.ovirt.engine.core.vdsbroker.vdsbroker.StatusForXmlRpc
mCode                         388
mMessage                      Storage domain is made from too many PVs: ()


2012-03-15 10:30:37,259 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase] (http--0.0.0.0-8080-1) [2ab35d01] Vds: nott-vds2.qa.lab.tlv.redhat.com
2012-03-15 10:30:37,259 ERROR [org.ovirt.engine.core.vdsbroker.VDSCommandBase] (http--0.0.0.0-8080-1) [2ab35d01] Command CreateStorageDomainVDS execution failed. Exception: VDSErrorException: VDSGenericException: VDSErrorException: Failed in vdscommand to CreateStorageDomainVDS, error = Storage domain is made from too many PVs: ()

- GUI returns an error: 

Error: Cannot attach Storage. Storage Domain doesn't exist.

please catch and produce same error.