Allows cached data to be mirrored across two redundant that have the same cache size. The data written to the of one RAID controller module is also written to the cache memory of the other RAID controller module. Therefore, if one RAID controller module fails, the other can complete all outstanding write operations.
Enable Write Cache Mirroring for each using the Virtual Disk >> Change >> Cache Settings pull-down menu. For more information, see Changing Virtual Disk Properties on the How To tab.