Virtual Machine have red alerts but there are no alarms triggered

With a college of mine, I’m setting up a new business. Where going to provide a virtual desktop to (small) customers who have the need for a enterprise enviroment (mail, shared calanders, shared storage etc) but don’t have the budget for it. When we combine all those customers together you have a budget to provide those functionality at a fractions of the costs.

Of course we want to use VMware vSphere and View for this environment. Later I will provide some more details.

First step was to setup a test enviroment so we can show some functionality to customers. All went fine until my lab had a power failure. And of course at home I don’t have a UPS who can back this up. I switched on the power again and my servers start up up (very loud,because in my lab I only have one power supply connected.)
When I opened vCenter again I noticed that some virtual machine have red alarm icons on them. But when I looked at the alarm tap there was no triggered alarm.

red-alarm-icons

So what trigger this red alarm icon. After some investigation I discovered that the ESXi servers where up and running before the storage was available. When the datastores where available the virtual machines where started. But the weren’t properly registered. A simply vMotion to another ESXi host solved the problem.

About Michael
Michael Wilmsen is a VMware training/consultant (no specific order) with more than 15 years in the IT industry. Main focus is VMware vSphere, Horizon View and Site Recovery Manager with a deepdive to performance. Michael is VCDX 210, VCAP 4/5 certified, has been rewarded with the vExpert title from 2011, is a PernixPro, Nutanix Tech Champion and a Nutanix Platform Professional.

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