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Hey, as far as I know, within Console there is just "PVS RAM Cache Usage" but Andrew Morgan wrote an Script Action couple of years ago. Maybe its still working: https://www.controlup.com/script-library/Get-Citrix-MCS-RAM-/-Disk-Cache-Usage/57d62c65-fd75-4fa3-90bf-11c0b501c693/ Unfortunately I cannot test due to lack of MCS env 🙂

Andy was asking around as it seems Citrix removed perf counters from the VDA install, so it might/might not work

That seems correct - PVSIO doesn't have perf counters per se, so when they went to that new method for caching I think those magic per counters for MCSIO went away. Which, is a shame- as much as I questioned their accuracy, those counters actually did help a great deal with getting a few customers performing much better.