On Fri, 24 Jan 2014, John R Pierce wrote: > On 1/24/2014 12:54 AM, Steve Brooks wrote: >> [root at mach~]# sginfo /dev/scanner >> INQUIRY response (cmd: 0x12) >> ---------------------------- >> Device Type 3 >> Vendor: Marvell >> Product: 91xx Config >> Revision level: 1.01 > > fwiw, scsi device type '3' is a 'processor', which I'm guessing is a > backplane controller ? not sure why it has a dev node Hmm not sure, so far it does not seem to be causing any issues but on the other hand I would feel better if I knew for sure exactly why it was there. This machine does have an adaptec hardware raid card which presents as "/dev/sda". The "OS" is on "/dev/sdb" which is connected to an INTEL C600/X79 SATA chipset via an Icy Dock HD enclosure. Steve