Its a system administrator duty to be sure the ESX servers health and performance are OK.
I monitor:

ESX Monitoring
ESX Monitoring

I believe the most important things to monitor are:
CPU check_cpu_esx
DISK check_disk
VOLUMES (storage) check_vfs
Hardware (Fan,Temp,Arrays,Memory Dimms,Disks etc…)
check_openmanage
check_hpasm-4.2.tar.gz

download
I have tested all checks with ESX 4, HP or Dell Hardware.
For the hardware checks to work you will need to install
Dell Open Manager or HP Insight Manager
I have other scripts that monitor number of VMs and other details but
those are considered performance and not critical, anyways if someone needs it
let me know.
download
More references:
http://exchange.nagios.org/index.php?option=com_mtree&task=search&Itemid=74&searchword=esx
Just browse the link, I also added description for each one of them.
They can be called by using check_by_ssh nrpe, snmp.
cheers,

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2 thoughts on “monitor esx with nagios

  1. Hi
    I need the scripts that monitor number of VMs and other details, please provide me if you can.
    Thanks & Regards
    Prashant Lal

    1. Hi Prashant.
      Are you talking about a script that monitors inside the Windows DB VSpehere Server?
      I dont do it that way.
      Anyways if you need custom scripts I can write then as a freelance job, are you interested?
      cheers

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