Nevemind...upon further review my underlying storage is not performing properly. It's the bottleneck.

The spike at the beginning I bet is because Starwind was caching the writes to ram until the buffer filled up.

Hi, I have the free-for-MCP NFR version of Starwind Virtual SAN and have installed it on two hosts. The hosts are 2x 12-core supermicro nodes with 6x2TB Sata drives on each. Windows server 2012R2 core edition is configured using software Raid-5 via the Windows dynamic-disk functionality. Hosts are d...