I have an ESX 3.5 update 5 cluster of five host servers, all fully patched as of this Friday. Today I noticed that one of the servers has the Hardware Health status as unknown in Virtual Center Infrastructure Client. When I look at the Health Status view under configuration for that host, all the items are status Unknown.

The server is exactly the same configuration as the others - same model (HP DL360 G5), memory, NICs etc.

I have tried restarting the management service with service mgmt-vmware restart but this has not resolved the issue.

Asides from this, I am not seeing any issues with the cluster - however, I hate having a blind spot like this.

Any ideas?

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Ok - I fixed this. The following steps did not resolve the issue:

  • service mgmt-vmware restart on the affected host
  • putting the host into maintenance mode, then detaching it from the cluster and reattaching

However, once I'd tried this and since it was in maintenance mode anyway, I rebooted the host, and when it came back online, the Host Health was reporting again.

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Do you have plans to move to v4.x? I've seen far fewer weird anomalies such as this since moving over. – Chopper3 Oct 19 '10 at 19:43
Most definitely. I can't believe we are still on 3.5... – dunxd Oct 19 '10 at 19:51
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