My problem is that, with my hardware, i´m having poor speed/high latency.
I have thought that OPEN-E DSS V7 may use a SSD as cache like vSAN does.

Here we have tried Starwind software V6 and it works great, it uses system RAM as cache.
Then i thought that FILE I/O in DSS V7 will work the same (this is because we saw that With Block I/O the ram usage is low).
I have setup FILE I/O Write-Back for testing and I have found this surpprise:


Since when i cannot use FILE I/O in cluster mode?

Thanks!