I saw a couple of threads on this topic from January and was wondering if there is any newer insight into this question. At that time, it appeared that many were just installing a RedHat based version of the Xymon (hobbit) client (with modifications to the df [vdf] and top [esxtop] commands) on their ESX servers despite the warning that it may void your support. I have started down the SNMP monitoring path and have found that most of the fields listed in VM's MIBs are not populated. So, are people still running modified versions of the hobbit client without issue? Has anyone made any real progress on monitoring ESX servers via SNMP?
Because of the support issues with Xymon on the service console and the limitations of SNMP, we're looking to using a vMA as a proxy for the ESX hosts. It's early days yet, but it looks quite feasible.
Malcolm
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