Re: [Help] IDE Raid

["nate" <debian-user@aphroland.org>]

Ray said:
> On Tue, Aug 13, 2002 at 15:45:59 +0930, Tom Cook wrote:
>> Wrong.  /dev/sda is a SCSI disk.  /dev/hd? is an IDE disk.  I don't know
>> the particulars or RAID cards, but I would be suprised if they present
>> two IDE disks as a SCSI disk.  Having said that, I am ready to be
>> suprised on this count.
>
> Be surprised then. The Adaptec ATA RAID 2400A card in my machine does
> exactly that: RAID5 with the 4 IDE disks attached to it, presenting the
> result as a single logical SCSI disk /dev/sda.

the 3ware 6800 series presents the IDE raid array to the system
as a SCSI disk as well:

(scsi0) <Adaptec AHA-294X Ultra SCSI host adapter> found at PCI 0/11/0
(scsi0) Wide Channel, SCSI ID=7, 16/255 SCBs
(scsi0) Cables present (Int-50 NO, Int-68 NO, Ext-68 YES)
(scsi0) Downloading sequencer code... 422 instructions downloaded
(scsi1) <Adaptec AIC-7896/7 Ultra2 SCSI host adapter> found at PCI 0/12/0
(scsi1) Wide Channel A, SCSI ID=7, 32/255 SCBs
(scsi1) Downloading sequencer code... 393 instructions downloaded
(scsi2) <Adaptec AIC-7896/7 Ultra2 SCSI host adapter> found at PCI 0/12/1
(scsi2) Wide Channel B, SCSI ID=7, 32/255 SCBs
(scsi2) Downloading sequencer code... 393 instructions downloaded
3ware Storage Controller device driver for Linux v1.02.00.015.
scsi3 : Found a 3ware Storage Controller at 0x3001, IRQ: 23, P-chip: 5.7
scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.33/3.2.4
       <Adaptec AHA-294X Ultra SCSI host adapter>
scsi1 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.33/3.2.4
       <Adaptec AIC-7896/7 Ultra2 SCSI host adapter>
scsi2 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.33/3.2.4
       <Adaptec AIC-7896/7 Ultra2 SCSI host adapter>
scsi3 : 3ware Storage Controller
scsi : 4 hosts.
  Vendor: QUANTUM   Model: DLT8000           Rev: 0250
  Type:   Sequential-Access                  ANSI SCSI revision: 02
Detected scsi tape st0 at scsi0, channel 0, id 4, lun 0
(scsi0:0:4:2) Synchronous at 20.0 Mbyte/sec, offset 8.
  Vendor: QUANTUM   Model: DLT8000           Rev: 0250
  Type:   Sequential-Access                  ANSI SCSI revision: 02
Detected scsi tape st1 at scsi1, channel 0, id 5, lun 0
(scsi1:0:5:2) Synchronous at 20.0 Mbyte/sec, offset 15.
  Vendor: Quantum   Model: DLT4000           Rev: D782
  Type:   Sequential-Access                  ANSI SCSI revision: 02
Detected scsi tape st2 at scsi2, channel 0, id 6, lun 0
(scsi2:0:6:1) Synchronous at 10.0 Mbyte/sec, offset 15.
  Vendor: 3ware     Model: 3w-xxxx           Rev: 1.0
  Type:   Direct-Access                      ANSI SCSI revision: 00
Detected scsi disk sda at scsi3, channel 0, id 0, lun 0
scsi : detected 4 SCSI generics 3 SCSI tapes 1 SCSI disk total.
SCSI device sda: hdwr sector= 512 bytes. Sectors= 468898176 [228954 MB]
[229.0 GB]