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22 Posts

151927

May 30th, 2012 11:00

How do I know when a VM falls over

Hi,

We have just installed vFoglight and are monitoring an estate of approx 300 VM's under 10 hosts.  My question is (and this side of vFog worries my slightly), how do I know when a VM is not responding - i.e. will I get an alert to say in effect that the specific VM is not responding?

Cheers

Davie

59 Posts

May 31st, 2012 12:00

Hi Davie,

You can leverage the NetMonitor agent from the legacy OS cartridge to do remote monitoring of physical or virtual host availability.

Check out these threads for details:

How can I do ping monitoring for VMs?

Can we do an alert in FogLight if a ping time exceeds a certain value?

Check if machines are on the network

Netmonitor agant...

Regards,

Brian Wheeldon

59 Posts

May 31st, 2012 12:00

Hi Davie,

As part of your vFoglight license, you are entitled to use the Foglight OS agents including the utility agents like ApacheSvr, AppMonitor, LogFilter, NetMonitor, TerminalServer, and WebMonitor on the CPUs you've licensed for vFoglight. You are also entitled to use the new Dependency Mapping cartridge on these licensed CPUs without paying extra.

Regards,

Brian Wheeldon

22 Posts

May 31st, 2012 12:00

Hi Brian,

I’ve not checked on these “extras” as yet, however what you say makes me very happy – thanks! I’ll give them a whirl, however from the links it looks like what I need.

Cheers

Davie

22 Posts

May 31st, 2012 12:00

Hi Brian,

Thanks for this, however the problem I have here is that we do not have the OS cartridge – we only purchased VFoglight and NMS licenses as this appeared to be the way to go according to our sales discussions.. my understanding is that the OS cartridge will cost extra if we need it?

If I am correct and I do need to pay extra for that cartridge then it won’t wash…are there any other ways of doing this? I am surprised that the VM cartridge does not have an up/down or ping equivelant in there as the server being available would be a pre req for anyone.

Any further help appreciated.

Thanks

Davie

22 Posts

May 31st, 2012 13:00

Thanks!

22 Posts

May 31st, 2012 13:00

Hey Brian,

Where can I download these agents? Below are the cartridges installed already in our environment.

22 Posts

June 1st, 2012 10:00

Brian,

I've set up the Netmonitor and it seems to work really well..last question:

Can I (and if so how do I) report on system availability using Netmonitor - i.e. can I now run an ad-hoc report that will confirm system availability/uptime for the last day/week/month?

Thanks - this is really good advice for a newbie

Davie

132 Posts

November 20th, 2012 09:00

System availability is already available using the uptimePercent and uptimeSeconds metrics on the VMWVirtualMachine object.

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