On Sat, 16 Jun 2012, Carl R. Friend wrote:
> This sounds very much like "classic" HA (e.g. "Veritas VCS") and
> the best way I've found to montor such a setup is to monitor each
> physical host independently for various things like performance
> parameters, disk space, availability, and the like on the physical
> hosts' management interfaces, and then monitor the applications on
> the applications' IP address (which migrate from host to host as
> needed).
In an amplification of that previous commentary, if true
virtualisation (e.g. "VMware" &c.) is in play, things can get
quite convoluted indeed and the only real way out of that cloud
is to actively query the hypervisor layer (by way it its API)
to find out what's running where as the individual VMs have no
notion of what physical hardware they're running on (the very
definition of virtualisation).
Cheers!
+------------------------------------------------+---------------------+
| Carl Richard Friend (UNIX Sysadmin) | West Boylston |
| Minicomputer Collector / Enthusiast | Massachusetts, USA |
| mailto:crfri...@rcn.com +---------------------+
| http://users.rcn.com/crfriend/museum | ICBM: 42:22N 71:47W |
+------------------------------------------------+---------------------+
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