DaanHoogland commented on a change in pull request #2474: CLOUDSTACK-10246 Fix 
Host HA and VM HA issues
URL: https://github.com/apache/cloudstack/pull/2474#discussion_r171784133
 
 

 ##########
 File path: 
engine/orchestration/src/com/cloud/agent/manager/AgentManagerImpl.java
 ##########
 @@ -843,72 +846,103 @@ protected boolean 
handleDisconnectWithInvestigation(final AgentAttache attache,
                 s_logger.debug("Caught exception while getting agent's next 
status", ne);
             }
 
+            // For log and alert purposes later
+            final DataCenterVO dcVO = _dcDao.findById(host.getDataCenterId());
+            final HostPodVO podVO = _podDao.findById(host.getPodId());
+            final String hostDesc = "[name: " + host.getName() + " (id:" + 
host.getId() + "), availability zone: " + dcVO.getName() + ", pod: " + 
podVO.getName() + "]";
+            final String hostShortDesc = "Host " + host.getName() + " (id:" + 
host.getId() + ")";
+
+            final ResourceState resourceState = host.getResourceState();
+            if (resourceState == ResourceState.Disabled || resourceState == 
ResourceState.Maintenance || resourceState == ResourceState.ErrorInMaintenance) 
{
+                // If we are in this resourceState, no need to investigate or 
do anything.  AgentMonitor will handle when in these resourceStates
+                s_logger.info(hostShortDesc + " has disconnected with event " 
+ event + ",  but is in Resource State of " + resourceState + ", so doing 
nothing");
+                return true;
+            }
+
             if (nextStatus == Status.Alert) {
-                /* OK, we are going to the bad status, let's see what happened 
*/
-                s_logger.info("Investigating why host " + hostId + " has 
disconnected with event " + event);
+                /* Our next Agent transition state is Alert
+                 * Let's see if the host down or why we had this event
+                 */
+                s_logger.info("Investigating why host " + hostShortDesc + " 
has disconnected with event " + event);
 
                 Status determinedState = investigate(attache);
                 // if state cannot be determined do nothing and bail out
                 if (determinedState == null) {
                     if ((System.currentTimeMillis() >> 10) - 
host.getLastPinged() > AlertWait.value()) {
-                        s_logger.warn("Agent " + hostId + " state cannot be 
determined for more than " + AlertWait + "(" + AlertWait.value() + ") seconds, 
will go to Alert state");
+                        s_logger.warn("State for " + hostShortDesc + " could 
not be determined for more than " + AlertWait + "(" + AlertWait.value() + ") 
seconds, will go to Alert state");
 
 Review comment:
   for warn message the above is even more true

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