Hi Anton, I was able to resolve. It turned out we did not get battery backed up cache for our RAID cards. It was causing miserable write rates. Adding the BBU cache and swapping the drives to SAS seems to have addressed the issue. I created a 1TB virtual drive as a test, and the sync between Nodes 1...

I have two new SuperMicro servers with Virtual SAN Free loaded (v8 latest build). Both servers have 12x 8TB HGST 7.2K RPM SATA drives. (The vendor sent SATA instead of SAS before I realized it) They have 2x Intel x710 10 Gig fiber NICs for client access and sync, and 1x 1 Gig copper NIC for heartbea...