HA considers himself isolated on a reboot of the switch

Hello

I've implemented a vSphere infrastructure (more Essentials, 3 guests, 2 LAN switches, iSCSI 2 switches) and we do testing of redundancy.

Everything works fine, except when restart us a LAN switch: each host considered himself isolated and closed its virtual machines.

Note that the problem occurs when the switch starts, not when her stockings.

I activated the beacon probe on each vSwitch and tested again. This time, only ESXi initiated a failover. But it should not happen at all.

My guess is that when the switch boots, all interfaces go up and down 3 times and there is a change in the network topology. But I can't understand why ESXi considers himself isolated when he has half of its interfaces running.

Any idea is welcome.

Kind regards

Article KB http://kb.vmware.com/kb/1006421 explains the different settings.

You can also read http://www.yellow-bricks.com/2008/10/27/ha-best-practices/

Also these settings make sure that you have correctly configured the physical switch port. for example the spanning tree portfast

André

Tags: VMware

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