Virtual machines off the power during the response of isolation of riding

We have 2 ESx 3.5 update 3 groups in our environment. Clusters have HA and response of isolation The Drs is configured from virtual machines under tension. During a network outage, on one of the hosts, all virtual machines were turned off. None of the virtual machines on other host turned off. Virtual machines had come back on the other cluster hosts once the network was up and VC was reachable.

Prior to the maintenance of the network, due to a problem, this particular host was disconnected from the VC earlier. We were unable to connect to the server through the VI Client and restarted the service pass. Prior to the maintenance of the network, we identified that this single host was not related to performance on the VC Server data. Also some jobs started on the host would go to 100% but show never completed.

My request is could the problem above caused virtual machines to restart despite the response of insulation parameter. Before the interview, I could find this host receiving the heart beats of VC server and other hosts in the cluster and VC showed no error associated with HA on the cluster or the particular host.

We rebooted the host after the maintenance of the network and reconfigured HA on the cluster. Since then, it works fine. We had another interview to the network and we have had no problem with VM restarts.

Looks like your ha agent may be dead as well as your connection between the host and VC.  There are several newspapers linked to HA, under/var/log/vmware/aam.  You can check to see if they provide additional insight as to why HA acted differently on a vs host others.

-KjB

VMware vExpert

Don't forget to leave some points for messages useful/correct.

Tags: VMware

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