The article purpose is to document the behaviour of a default threshold setting in the alerts :
"VM experiencing disk read latency"
"VM experiencing disk write latency"
The alert is triggered on a VM, however there is no complaint of slow performance by users or owner of the VM
Aria Operations 8.18
Separate between mission critical (strategic to the business) and non mission critical applications.
For non mission critical, the following changes will tighten the alerts conditions to filter less critical issues:
The attached alert definition file implements the above.
Please follow below steps to import the attached alert definition:
1 - Configure > Alerts > Alert Definitions > Click on ... > Import
2 - Browse to the location where you stored the attached file
3 - Click on "Overwrite existing Alert Definition"
4 - Click on Import
You should review with your application vendors and storage vendors recommendation on the application disk latency.
If the disk latency is much higher than best practices, yet there is no complaint from end users you might consider either one of the below options :