NEC M Series RAID chassis

These NEC RAID units have 12 disks per chassis. There’s a primary chassis with 2 controllers and 2 power supplies. Connected to the primary chassis is an expansion chassis with another 12 disks and two power supplies. The current config is 4x 6 drive RAID5 LUNs across the 24 drives. Here’s the MIB file:

(Imported from, Original request by: @ideasman69)