CSV Block Cache not working

I've set up two clusters on Windows 2012 R2: one for hyper-v machines and one for scale out file server. Storage is mirrored storage spaces.
Tried to enable CSV Cache on both clusters (without rebooting, because it's not needed for 2012 R2), but all counters in Cluster CSV Volume Cache group are still zeroes.
Can any one tell, what else should I do to make it work?

Hi,
In Windows 2012R2 the CSV cache is enabled by default. You can use the PowerShell prompt execute the following command to enable the CSV cache:
(Get-Cluster).BlockCacheSize = 512
At same time there have some interoperability issue:
CSV Cache will be disabled on:
•Tiered Storage Space with heat map tracking enabled
•Deduplicated files using in-box Windows Server Data Deduplication feature (Note:
Data will instead be cached by the dedup cache)
•ReFS volume with integrity streams enabled (Note:
NTFS is the recommended file system as the backend for virtual machine VHDs in production deployments)
More information:
How to Enable CSV Cache
http://blogs.msdn.com/b/clustering/archive/2012/03/22/10286676.aspx
Hope this helps.
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