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tdubb123
Expert
Expert

VM Disk Performance Degraded

I am getting tons of these alerts. how is vrops calculating these? is it too sensitive and do I need to tune the alerting?

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dtaliafe
Hot Shot
Hot Shot

In the alert details you should be able to see what symptoms are triggering the alert.  This alert has 3 symptoms:

symptoms.jpg

So virtual disk latency greater than 15ms produces a warning and greater than 30ms is critical. Since this alert is defined by the Horizon Adapter I'm going to assume these are virtual desktops that you are getting the alerts for.  For our Horizon environment the defaults here were way too sensitive and we needed to do some tuning.  I would take a look at the average and peak disk latency for several of your virtual desktops to get a feel for what is normal and what you think is acceptable for your desktop users, then you can adjust the thresholds in the policy.

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