At work we have started to make a push to get as many servers off of RDM (Raw Device Mapping) drives in the virtual environment as we can. We use the RDM drives with MSCS (Microsoft Server Cluster Service) with SQL, but we do have a few application failover cluster as well. With this change we have an influx of iSCSI (Internet Small Computer Systems Interface) drive configurations along with MPIO (Multipath I/O) configured. … Continue reading