performance data missing from host in vCenter

Hi,

I have a backup host that has been working without incident.  Tonight I noticed the resource usage data is now showing as 0 for both CPU and memory.  And no surprise, it doesn't show for a VM running under it either.

I'm on ESXi 5.1.0, 2191751.  

??

Thanks!

--Ben
Ben ConnerCTO, SAS developerAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)Connect With a Mentor VMware and Virtualization ConsultantCommented:
If you look in the Summary, does it also show 0 for CPU and Memory ?

This has been happening to us for a while.

Two things we found can help but it does seem to come back again after a few weeks.

1. Restart Network Management agents on the host (e.g. /sbin/services.sh restart via SSH) - this does not effect running VMs.

2. Finally reboot the host.
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Ben ConnerCTO, SAS developerAuthor Commented:
Since this is our failover host, it was just as fast to reboot it.  That worked.  Thanks!

Sure would like to know why that was happening.  Oh well.

--Ben
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
It's a bug, and we've been meaning to get it escaleted to VMware Support!
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