Prerequisites:
-1)
a) move your H200 card from storage slot to another PCI-E slot;
b) get longer cables from DELL to connect the backplane to the H200;
c) verify the system is still working well.
OEM version of the LSI SAS 9211-8i, such as the Dell H200, H310 or IBM M1015 are quite popular for use with FreeNAS. However, they need to be flashed with a regular LSI firmware to disable their RAID capabilities in order to passthrough the dri