Adaptec AHD U320 operating as only U160

[Justin T. Gibbs]

Niki Denev wrote:
>
> Sorry, I must have missed the full output :
> 
> Copied 18 bytes of sense data offset 12: 0x70 0x0 0x5 0x0 0x0 0x0 0x0
> 0xa 0x0 0x0 0x0 0x0 0x20 0x0 0x2 0xcf 0x0 0x0
> (pass0:ahd0:0:0:0): Vendor Specific Command. CDB: 85 8 e 0 0 0 1 0 0 0
> 0 0 0 0 ec 0
> (pass0:ahd0:0:0:0): CAM Status: SCSI Status Error
> (pass0:ahd0:0:0:0): SCSI Status: Check Condition
> (pass0:ahd0:0:0:0): ILLEGAL REQUEST asc:20,0
> (pass0:ahd0:0:0:0): Invalid command operation code field replaceable

opcode 0x85 is ATA command pass-through.  I'm not surprised that your
drive rejects it.

> This is printed right after smartd (from smartmontools) is started,
> and I think it's what it causes these messages.
> I guess they are harmless too?

I'm not familiar with this opcode or why its being used (for quering
ATA devices within an array with a SCSI front-end?), but its
probably harmless too.

--
Justin