vSphere HA problems

Shad

Shad

Shad

Associate
Joined
1 Dec 2005
Posts
803
Overnight I had a PSU blow and take out the power circuit that it shared with the my other ESXi hosts. When I managed to power one of them up this morning and get my vCenter VM started again, it seemed to be having trouble reconnecting to the host. I went through the loop of forcing a re-connect and it seemed to re-install HA on the host, but kept timing out while waiting for the election process to complete.

Any ideas on the best way to solve this? I really need to get some of the other VMs running on the host while I fix the other host with the blown PSU (and fix the broken power circuit too).

Cheers
 
Not explicitly, but it looked like vCenter did that as part of the re-connect process. I'm not in front of the system at the moment, is the agent in the list of services under security profile?

It's sod's law... only enabled HA yesterday and it all went to pot overnight!
 
Thanks for the link, I'll give that a go later. It's all 5.1, and I have now got what I needed to running again. After a bit of Googling it seems like the general fix tends to be 'disable HA then enable it again'. Well the disabling worked a treat and allowed vCenter to see the host again - for a short while, then it would disconnect. I didn't have time to diagnose that but I was able to attach the VMs to the inventory on the working server and boot them up ok.

I'll come back to it tonight when I've got time. Something somewhere is clearly not happy...
 
Hmm... the vCenter server needed some Windows updates and since it was pretty much useless at the moment I decided to install them and reboot it. Since the reboot, it seems happy. The working host is connected, the vApps and resource pools are good, VMs all showing as running correctly.

I'm wondering if any of this is related to originally booting vCenter before either of my domain controllers were up? They're also running DNS - could part of this have been a name resolution issue?

I'll not try HA again until I've got another host powered up, just in case.
 
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