Vernon, does your hardware vendor have anything you can install on the console that would give you the information? If you are using Dell, OpenManage can do the trick with SNMP.

Ray

From: Everett, Vernon [Vernon.Everett at woodside.com.au] Sent: Wednesday, January 14, 2009 8:47 PM To: hobbit at hswn.dk Subject: RE: [hobbit] ESX Hosts

Hi all

Thanks for the multiple responses. Some of you understand the problem. Olivier, Iain, I am looking at you :-) And thanks for the firewall tip.

Thanks for the link Josh - Not quite as easy as it looks though. :-( Will keep plugging at it when I get time.

One of the problems with ESX, is that the console is also a VM. Installing hobbit in the console is all well and good, and probably will be cause for complaints from VMWare support, but still gives us no information about the ESX host itself. The utility esxtop is great, and gives lots of info, but is very limited and completely ugly when running in non-interactive mode. Try getting the disk controller stats in batch mode. (If you get it right, please let me know how.)

SNMP appears to be a good approach. It shows enormous promise.

snmpwalk -v2c -c $Community_String $Host vmtable

gives lots of info about the VMs, but still no info about the actual host.

snmpwalk -v2c -c $Community_String $Host 1.3.6.1.4.1.6876 gives heaps of information, but still doesn't seem to contain what I want.

We could probably get devmon to do some funky monitoring of the VMs based on the output.

What I need though, is the CPU, network, disk IO and memory utilisation of the entire ESX host, not just the VMs. Haven't given up just yet, though. :-)

Cheers Vernon

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