[Users] Gluster Domain can't be actived

hi, I use fedora 17 from http://www.ovirt.org/releases/beta/fedora/17/ , and configured a nfs gluster Domain as Master Data domain somehow , my data center into Non-Responsive status, and the Gluster Domain into inactivate status When i active Gluster Domain , error happened: 2012-07-18 11:36:44,739 ERROR [org.ovirt.engine.core.vdsbroker.VDSCommandBase] (QuartzScheduler_Worker-100) [378290f1] Command SpmStatusVDS execution failed. Exception: VDSErrorException: VDSGenericException: VDSErrorException: Failed in vdscommand to SpmStatusVDS, error = Meta Data parameter invalid: ('Version or spm id invalid',) 2012-07-18 11:36:44,743 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (QuartzScheduler_Worker-100) [378290f1] hostFromVds::selectedVds - ovirt-node-2.local, spmStatus returned null! What strange is all my host is in UP status, but all of them the SpmStatus is in None status.