I would like to determine the IOPs for my vsan storage so i can set a limit as for VMs using a Policy. Any advice on how i can do that or calculate?
This article covers this in-depth:
https://blogs.vmware.com/virtualblocks/2019/02/22/performance-metrics-when-using-iops-limits-with-vsan-what-you-need-to-know/
The main point is that IOPS limit rules in storage policies are 32KB normalised e.g. a 64KB IO will count as 2, 128KB IO as 4 and so on. Thus knowing the IO profile of the workloads you are applying this to is key - you can get a rough average IO size of any workload (be it on cluster, VM or vmdk) by dividing the throughput (e.g. MB/s or GB/s) by the number of IOPS at any point in time.
Thank you very much. This has been of great help to me. Much Appreciated