Archive: Posts

Citrix MCS IO vs. VirtuCache – Server Side Storage IO Caching

Both cache 'hot' data to in-host RAM, but the differences between Citrix MCS Storage Optimization and VirtuCache are many. The top three are: - MCSIO works only for non-persistent Xenapp / Xendesktop VMs.1 VirtuCache works for all VMs on the ESXi host; - Citrix MCSIO can cache only VM writes and to VM RAM only.1 VirtuCache can cache VM reads and writes to in-host SSD or RAM; - With MCSIO there will be VM data loss / instability if the host fails or the RAM cache is full,1 not so...