rhtyd commented on a change in pull request #2472: CLOUDSTACK-10310 Fix KVM 
reboot on storage issue
URL: https://github.com/apache/cloudstack/pull/2472#discussion_r175337493
 
 

 ##########
 File path: scripts/vm/hypervisor/kvm/kvmheartbeat.sh
 ##########
 @@ -155,10 +155,10 @@ then
   exit 0
 elif [ "$cflag" == "1" ]
 then
-  /usr/bin/logger -t heartbeat "kvmheartbeat.sh rebooted system because it was 
unable to write the heartbeat to the storage."
+  /usr/bin/logger -t heartbeat "kvmheartbeat.sh stopped cloudstack-agent 
because it was unable to write the heartbeat to the storage."
   sync &
   sleep 5
-  echo b > /proc/sysrq-trigger
+  service cloudstack-agent stop
 
 Review comment:
   Maybe you can re-send the PR in two parts, the first half that increases the 
heartbeat retry threshold to `5` LGTM. The second part could be the 
configuration fix, global setting or setting in agent.properties to decide 
whether to reboot kvm host or stop agent.

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