xe pbd-plug uuid=766187a6-d63a-52e3-6e26-7b5e3e380716

There was an SR backend failure.
status: non-zero exit
stdout:
stderr: Traceback (most recent call last):
File "/opt/xensource/sm/LVMSR", line 1446, in ?
SRCommand.run(LVHDSR, DRIVER_INFO)
File "/opt/xensource/sm/SRCommand.py", line 244, in run
sr = driver(cmd, cmd.sr_uuid)
File "/opt/xensource/sm/SR.py", line 128, in __init__
self.load(sr_uuid)
File "/opt/xensource/sm/LVMSR", line 187, in load
self._undoAllJournals()
File "/opt/xensource/sm/LVMSR", line 626, in _undoAllJournals
self._undoAllInflateJournals()
File "/opt/xensource/sm/LVMSR", line 654, in _undoAllInflateJournals
self.vgname, vdi.lvname, uuid)
File "/opt/xensource/sm/lvhdutil.py", line 304, in lvRefreshOnAllSlaves
lvRefreshOnSlaves(session, srUuid, vgName, lvName, vdiUuid, slaves)
File "/opt/xensource/sm/lvhdutil.py", line 299, in lvRefreshOnSlaves
text = session.xenapi.host.call_plugin(slave, "on-slave", "multi", args)
File "/usr/lib/python2.4/site-packages/XenAPI.py", line 229, in __call__
return self.__send(self.__name, args)
File "/usr/lib/python2.4/site-packages/XenAPI.py", line 133, in xenapi_request
result = _parse_result(getattr(self, methodname)(*full_params))
File "/usr/lib/python2.4/site-packages/XenAPI.py", line 203, in _parse_result
raise Failure(result['ErrorDescription'])
XenAPI.Failure: ['XENAPI_PLUGIN_EXCEPTION', 'multi', 'CommandException', '5']