Hello
Most of the VM's with this problem are running Lotus Domino Server but not all.
I/O seems not to be a problem because it doesn't work either when nobody is using the system (during the night).
Here is my vpxa.log
012-06-12T13:03:09.930Z [FFD27B90 verbose 'VpxaHalCnxHostagent' opID=WFU-d6c90ce9] [WaitForUpdatesDone] Completed callback
2012-06-12T13:03:09.930Z [2F941B90 verbose 'Default' opID=0FAA3BA0-000000A4-d] [TaskInfoListener::~TaskInfoListener] Connection number = 129
2012-06-12T13:03:09.930Z [2F941B90 verbose 'Default' opID=0FAA3BA0-000000A4-d] [TaskInfoPublisher::DecListeners] host:[] listeners: 3
2012-06-12T13:03:09.930Z [2F941B90 verbose 'Default' opID=0FAA3BA0-000000A4-d] [VpxaHalVmLocker] VM 106 lock released.
2012-06-12T13:03:09.930Z [2F941B90 verbose 'Default' opID=0FAA3BA0-000000A4-d] [TaskInfoListener::~TaskInfoListener] Connection number = 129
2012-06-12T13:03:09.930Z [2F941B90 verbose 'Default' opID=0FAA3BA0-000000A4-d] [TaskInfoPublisher::DecListeners] host:[] listeners: 2
2012-06-12T13:03:09.930Z [2F941B90 verbose 'PropertyProvider' opID=0FAA3BA0-000000A4-d] RecordOp ASSIGN: info.state, task-21060
2012-06-12T13:03:09.931Z [2F941B90 verbose 'PropertyProvider' opID=0FAA3BA0-000000A4-d] RecordOp ASSIGN: info.cancelable, task-21060
2012-06-12T13:03:09.931Z [2F839B90 verbose 'VpxaHalResourcePool' opID=SWI-e4a2e514] [VpxaHostdSpecSync] Copied root values ...
2012-06-12T13:03:09.931Z [2F941B90 verbose 'PropertyProvider' opID=0FAA3BA0-000000A4-d] RecordOp ASSIGN: info.error, task-21060
2012-06-12T13:03:09.931Z [2F839B90 verbose 'VpxaHalResourcePool' opID=SWI-e4a2e514] [ProcessResourceNotification] No syncs pending, exiting loop...
2012-06-12T13:03:09.931Z [2F941B90 info 'Default' opID=0FAA3BA0-000000A4-d] [VpxLRO] -- FINISH task-21060 -- -- vpxapi.VpxaService.createSnapshot -- 526c6f4a-eb09-7f89-ab03-779174612105
2012-06-12T13:03:09.931Z [2F941B90 info 'Default' opID=0FAA3BA0-000000A4-d] [VpxLRO] -- ERROR task-21060 -- -- vpxapi.VpxaService.createSnapshot: vim.fault.ApplicationQuiesceFault:
--> Result:
--> (vim.fault.ApplicationQuiesceFault) {
--> dynamicType = <unset>,
--> faultCause = (vmodl.MethodFault) null,
--> faultMessage = (vmodl.LocalizableMessage) [
--> (vmodl.LocalizableMessage) {
--> dynamicType = <unset>,
--> key = "msg.snapshot.quiesce.vmerr",
--> arg = (vmodl.KeyAnyValue) [
--> (vmodl.KeyAnyValue) {
--> dynamicType = <unset>,
--> key = "1",
--> value = "5",
--> },
--> (vmodl.KeyAnyValue) {
--> dynamicType = <unset>,
--> key = "2",
--> value = "'VssSyncStart' operation failed: Unspecified error (0x80004005)",
--> }
--> ],
--> message = "The guest OS has reported an error during quiescing. The error code was: 5 The error message was: 'VssSyncStart' operation failed: Unspecified error (0x80004005) ",
--> }
--> ],
--> msg = "An error occurred while quiescing the virtual machine. See the virtual machine's event log for details."
--> }
--> Args:
-->
--> Arg vmid:
--> 7
--> Arg name:
--> "test"
--> Arg description:
--> ""
--> Arg memory:
--> false
--> Arg quiesce:
--> true
2012-06-12T13:03:09.931Z [2F7B5B90 verbose 'SoapAdapter.HTTPService'] HTTP Response: Complete (processed 1615 bytes)
Regards
Sandro