Success report: PCI FireWire card <-> external RAID hdds

Hi there,

just to report a successful experience (for the archives) in setting up an
external RAID backup system thru a FireWire link (it works for 4 weeks like a
charm, daily and weekly network'ed and cron'ed usage), with:

System: SuSE 8.2 w/ few upgrades from tarballs.
Kernel: vanilla 2.4.29 plus some patches (but none related to ieee1394)
Involved hardware: see detail below:

* FireWire (ieee1394b) PCI card: Texas Instrument chipset, 1x400 and 2x800
ports, plugged in a PCI-32bit slot (the card is PCI-64bit capable).

* External RAID case: Stardom SoHoRaid SR3500 (two hotpluggable 250GB hdds in
self-powered and self-cooled aluminium case, LCD screen, OHCI compliant Oxford
922 chipset: USB2 and Firewire 400 interfaces, RAID 0/1 capable).

http://www.stardom.com.tw/web/pro-sr3500.htm

This hardware is also known to work fine w/ its USB2 interface (user feedback:
http://www.qbik.ch/usb/devices/showdev.php?id=2479), but I could not get it
working in a few minutes so I tried the FireWire interface very quickly,
luckily.

Some resellers in France (product name differs):
http://www.macway.com/product_info.php?products_id=2819
http://www.energy-micro.com/site/page.php?lien=M&lien_page=1&id=1&retour=1&id_fiche=286

======

lspci excerpts:

00:08.0 FireWire (IEEE 1394): Texas Instruments: Unknown device 8025 (rev 01) (prog-if 10 [OHCI])
        Subsystem: Texas Instruments: Unknown device 8025
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Latency: 32 (750ns min, 1000ns max), cache line size 08
        Interrupt: pin A routed to IRQ 11
        Region 0: Memory at eb004000 (32-bit, non-prefetchable) [size=2K]
        Region 1: Memory at eb000000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME+

/var/log/messages excerpts (call to rescan_scsi_bus.sh necessary):

Apr 6 08:43:00 mollux kernel: scsi singledevice 0 0 0 0
Apr 6 08:43:00 mollux kernel: Vendor: STARDOM Model: SohoRaid Mirror Rev: Rev
Apr 6 08:43:00 mollux kernel: Type: Direct-Access ANSI SCSI revision: 06
Apr 6 08:43:00 mollux kernel: Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
Apr 6 08:43:00 mollux kernel: SCSI device sda: 488397168 512-byte hdwr sectors (250059 MB)
Apr 6 08:43:00 mollux kernel: /dev/scsi/host0/bus0/target0/lun0: p1
Apr 6 08:43:00 mollux kernel: scsi singledevice 0 0 1 0
Apr 6 08:43:00 mollux kernel: scsi singledevice 0 0 2 0
Apr 6 08:43:00 mollux kernel: scsi singledevice 0 0 3 0
Apr 6 08:43:00 mollux kernel: scsi singledevice 0 0 4 0
Apr 6 08:43:00 mollux kernel: scsi singledevice 0 0 5 0
Apr 6 08:43:00 mollux kernel: scsi singledevice 0 0 6 0

/proc/scsi/scsi:

Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: STARDOM Model: SohoRaid Mirror Rev: Rev
  Type: Direct-Access ANSI SCSI revision: 06

/proc/bus/ieee1394/devices:

Node[0-00:1023] GUID[0030e053e0071265]:
  Vendor ID: `Oxford' [0x0030e0]
  Capabilities: 0x0083c0
  Bus Options:
    IRMC(0) CMC(0) ISC(0) BMC(0) PMC(0) GEN(0)
    LSPD(2) MAX_REC(64) CYC_CLK_ACC(255)
  Unit Directory 0:
    Vendor/Model ID: Oxford [0030e0] / 922G Master [000000]
    Software Specifier ID: 00609e
    Software Version: 010483
    Driver: SBP2 Driver
    Length (in quads): 8
Node[0-01:1023] GUID[0800285600000259]:
  Vendor ID: `Linux OHCI-1394' [0x080028]
  Capabilities: 0x0083c0
  Bus Options:
    IRMC(1) CMC(1) ISC(1) BMC(0) PMC(0) GEN(0)
    LSPD(3) MAX_REC(4096) CYC_CLK_ACC(0)
  Host Node Status:
    Host Driver : ohci1394
    Nodes connected : 2
    Nodes active : 2
    SelfIDs received: 2
    Irm ID : [0-01:1023]
    BusMgr ID : [0-63:1023]
    In Bus Reset : no
    Root : yes
    Cycle Master : yes
    IRM : yes
    Bus Manager : no

Regards,

-- 
wwp
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