internal static void TryStartClussvcOnNode(AmServerName serverName, HaTaskOutputHelper output)
{
using (ServiceController serviceController = new ServiceController("clussvc", serverName.Fqdn))
{
try
{
if (DatabaseAvailabilityGroupAction.GetServiceControllerStatus(serviceController, serverName.NetbiosName, output) == ServiceControllerStatus.StopPending)
{
output.AppendLogMessage("Service is in stop pending, wait for it to be stopped", new object[0]);
serviceController.WaitForStatus(ServiceControllerStatus.Stopped, DatabaseAvailabilityGroupAction.ServiceTimeout);
}
if (DatabaseAvailabilityGroupAction.GetServiceControllerStatus(serviceController, serverName.NetbiosName, output) == ServiceControllerStatus.Stopped)
{
serviceController.Start();
output.WriteProgressSimple(Strings.WaitingForClusterServiceToStart(serverName.NetbiosName));
serviceController.WaitForStatus(ServiceControllerStatus.Running, DatabaseAvailabilityGroupAction.ServiceTimeout);
}
}
catch (System.ServiceProcess.TimeoutException)
{
output.WriteErrorSimple(new FailedToStartClusSvcException(serverName.NetbiosName, DatabaseAvailabilityGroupAction.GetServiceControllerStatus(serviceController, serverName.NetbiosName, output).ToString()));
}
}
}
private bool CheckClussvcRunningOnStartedServers()
{
bool result = false;
List <AmServerName> list = new List <AmServerName>(16);
List <AmServerName> list2 = new List <AmServerName>(16);
new List <AmServerName>(16);
List <string> list3 = new List <string>(16);
foreach (Server server in this.m_startedServers.Values)
{
this.m_output.AppendLogMessage("Checking if clussvc is running on {0}...", new object[]
{
server.Name
});
using (ServiceController serviceController = new ServiceController("clussvc", server.Name))
{
ServiceControllerStatus serviceControllerStatus = DatabaseAvailabilityGroupAction.GetServiceControllerStatus(serviceController, server.Name, this.m_output);
this.m_output.AppendLogMessage("Clussvc is {0} on {1}.", new object[]
{
serviceControllerStatus,
server.Name
});
if (serviceControllerStatus == ServiceControllerStatus.Running)
{
list.Add(new AmServerName(server));
}
else
{
list2.Add(new AmServerName(server));
}
}
}
if (list2.Count == this.m_startedServers.Values.Count)
{
this.m_output.AppendLogMessage("None of the {0} servers in the started list had clussvc running, so it is safe to continue with restore-dag, but forcequorum will be necessary.", new object[]
{
list2.Count
});
}
else
{
int num = 0;
List <AmServerName> list4 = new List <AmServerName>(1);
try
{
using (AmCluster amCluster = AmCluster.OpenByNames(list))
{
IEnumerable <IAmClusterNode> enumerable = amCluster.EnumerateNodes();
foreach (IAmClusterNode amClusterNode in enumerable)
{
AmNodeState state = amClusterNode.State;
this.m_output.AppendLogMessage("The node {0} has cluster state = {1}.", new object[]
{
amClusterNode.Name,
state
});
if (state == AmNodeState.Joining)
{
this.m_output.AppendLogMessage(" Node {0} is joining! That means there is some difficulty establishing quorum.", new object[]
{
amClusterNode.Name
});
list3.Add(amClusterNode.Name.NetbiosName);
}
else if (AmClusterNode.IsNodeUp(state))
{
num++;
}
if (state == AmNodeState.Paused)
{
list4.Add(amClusterNode.Name);
}
}
foreach (IAmClusterNode amClusterNode2 in enumerable)
{
amClusterNode2.Dispose();
}
}
}
catch (ClusterException)
{
this.m_output.WriteErrorSimple(new DagTaskRestoreDagCouldNotOpenClusterException());
}
this.m_output.AppendLogMessage("There were {0} total (Stopped&Started) servers that were Up, out of {1} servers in the Started list that had clussvc running.", new object[]
{
num,
list.Count
});
if (num == list.Count)
{
this.m_output.AppendLogMessage("Because the two values are the same, that means quorum is healthy (even if not all of the servers are Up), so it is safe to continue with restore-dag.", new object[0]);
result = true;
}
else if (num > list.Count)
{
this.m_output.AppendLogMessage("Because there are more servers that are up than there are in the Started list, it is safe to continue with restore-dag.", new object[0]);
result = true;
}
else
{
this.m_output.AppendLogMessage("Because the two values are different, that means quorum is contested/in flux, so it is NOT safe to continue with restore-dag.", new object[0]);
this.m_output.WriteErrorSimple(new RestoreFailedDagUpException(string.Join(",", list3.ToArray())));
}
}
return(result);
}
private bool ForceQuorumIfNecessary()
{
bool flag = true;
bool result = false;
foreach (Server server in this.m_startedServers.Values)
{
this.m_output.AppendLogMessage("ForceQuorumIfNecessary: Checking if clussvc is running on {0}...", new object[]
{
server.Name
});
using (ServiceController serviceController = new ServiceController("clussvc", server.Name))
{
ServiceControllerStatus serviceControllerStatus = DatabaseAvailabilityGroupAction.GetServiceControllerStatus(serviceController, server.Name, this.m_output);
if (serviceControllerStatus == ServiceControllerStatus.Stopped)
{
this.m_output.AppendLogMessage("ForceQuorum: clussvc is stopped on node {0}. Starting it.", new object[]
{
server.Name
});
try
{
if (flag)
{
this.m_output.AppendLogMessage("Starting cluster service with /fq (force quorum).", new object[0]);
serviceController.Start(new string[]
{
"/fq"
});
flag = false;
}
else
{
this.m_output.AppendLogMessage("Starting cluster service in normal mode.", new object[0]);
serviceController.Start();
}
try
{
this.m_output.AppendLogMessage("Waiting up to {0} for clussvc to be in the Running state.", new object[]
{
RestoreDatabaseAvailabilityGroup.ServiceTimeOut
});
serviceController.WaitForStatus(ServiceControllerStatus.Running, RestoreDatabaseAvailabilityGroup.ServiceTimeOut);
result = true;
}
catch (System.ServiceProcess.TimeoutException)
{
this.m_output.WriteErrorSimple(new FailedToStartClusSvcException(server.Name, serviceControllerStatus.ToString()));
}
continue;
}
catch (Win32Exception ex)
{
this.m_output.AppendLogMessage("ForceQuorum: cluster service on {0}Failed to start with fq {1}", new object[]
{
server.Name,
ex.Message
});
this.m_output.WriteErrorSimple(new FailedToStartClusSvcException(server.Name, serviceControllerStatus.ToString()));
continue;
}
catch (InvalidOperationException ex2)
{
this.m_output.AppendLogMessage("ForceQuorum: cluster service on {0}Failed to start with fq {1}", new object[]
{
server.Name,
ex2.Message
});
this.m_output.WriteErrorSimple(new FailedToStartClusSvcException(server.Name, serviceControllerStatus.ToString()));
continue;
}
}
this.m_output.AppendLogMessage("ForceQuorum: cluster service on {0} is in state {1}, we will try another node (if there is one) for forcing quorum.", new object[]
{
server.Name,
serviceControllerStatus
});
flag = false;
}
}
return(result);
}