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Old 02-04-2007, 09:39 AM   #1
infinity42
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Registered: Apr 2005
Location: England
Distribution: Gentoo
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Symbios 53c875 SCSI + Compaq disk enclosure; cannot access discs


I have a dual PIII motherboard (2 x 600MHz) with an onboard Symbios 53c875 SCSI adaptor. Connected to the adapter is a Compaq SCSI drive enclosure from an ML370 server (mobo on the server died ) There are 5 drives in the enclosure, in hot-swap caddies. The lights on the caddies flash at boot, but do not come on at all whilst in the OS. This lead me to think it may be that the driver is not powering up the drives (or something similar) however I can't find much about the driver.

EDIT:
It's a Compaq 271921-001 5 bay hotplugable drive cage (just taken the drives out to find the serial number)

EDIT2:
If I only connect a single drive to the controller (without using the drive enclosure) I have exactly the same problem

I am using Gentoo with the 2.16.18-gentoo-r2 (recently compiled)
lspci output:
Code:
00:0d.0 SCSI storage controller: LSI Logic / Symbios Logic 53c875 (rev 37)
        Subsystem: LSI Logic / Symbios Logic LSI53C876/E PCI to Dual Channel SCSI Controller
        Flags: bus master, medium devsel, latency 72, IRQ 19
        I/O ports at 1800 [size=256]
        Memory at fa103000 (32-bit, non-prefetchable) [size=256]
        Memory at fa101000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [40] Power Management version 1

00:0d.1 SCSI storage controller: LSI Logic / Symbios Logic 53c875 (rev 37)
        Subsystem: LSI Logic / Symbios Logic LSI53C876/E PCI to Dual Channel SCSI Controller
        Flags: bus master, medium devsel, latency 72, IRQ 20
        I/O ports at 2000 [size=256]
        Memory at fa103400 (32-bit, non-prefetchable) [size=256]
        Memory at fa102000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [40] Power Management version 1
I see this in dmesg:
Code:
sym0: <875> rev 0x37 at pci 0000:00:0d.0 irq 19
sym0: No NVRAM, ID 7, Fast-20, SE, parity checking
sym0: SCSI BUS has been reset.
scsi0 : sym-2.2.3
input: AT Translated Set 2 keyboard as /class/input/input0
  Vendor: COMPAQ    Model: BB018135B5        Rev: B017
  Type:   Direct-Access                      ANSI SCSI revision: 02
 target0:0:0: tagged command queuing enabled, command queue depth 16.
 target0:0:0: Beginning Domain Validation
 target0:0:0: asynchronous
 target0:0:0: wide asynchronous
 target0:0:0: FAST-20 WIDE SCSI 40.0 MB/s ST (50 ns, offset 15)
 target0:0:0: Domain Validation skipping write tests
 target0:0:0: Ending Domain Validation
  Vendor: FUJITSU   Model: MAE3091LC         Rev: 0112
  Type:   Direct-Access                      ANSI SCSI revision: 02
 target0:0:1: tagged command queuing enabled, command queue depth 16.
 target0:0:1: Beginning Domain Validation
 target0:0:1: asynchronous
 target0:0:1: wide asynchronous
 target0:0:1: FAST-20 WIDE SCSI 40.0 MB/s ST (50 ns, offset 16)
 target0:0:1: Domain Validation skipping write tests
 target0:0:1: Ending Domain Validation
  Vendor: FUJITSU   Model: MAE3091LC         Rev: 0112
  Type:   Direct-Access                      ANSI SCSI revision: 02
 target0:0:2: tagged command queuing enabled, command queue depth 16.
 target0:0:2: Beginning Domain Validation
 target0:0:2: asynchronous
 target0:0:2: wide asynchronous
 target0:0:2: FAST-20 WIDE SCSI 40.0 MB/s ST (50 ns, offset 16)
 target0:0:2: Domain Validation skipping write tests
 target0:0:2: Ending Domain Validation
  Vendor: FUJITSU   Model: MAE3182LC         Rev: 0112
  Type:   Direct-Access                      ANSI SCSI revision: 02
 target0:0:3: tagged command queuing enabled, command queue depth 16.
 target0:0:3: Beginning Domain Validation
 target0:0:3: asynchronous
 target0:0:3: wide asynchronous
 target0:0:3: FAST-20 WIDE SCSI 40.0 MB/s ST (50 ns, offset 16)
 target0:0:3: Domain Validation skipping write tests
 target0:0:3: Ending Domain Validation
  Vendor: FUJITSU   Model: MAE3182LC         Rev: 0112
  Type:   Direct-Access                      ANSI SCSI revision: 02
 target0:0:4: tagged command queuing enabled, command queue depth 16.
 target0:0:4: Beginning Domain Validation
 target0:0:4: asynchronous
 target0:0:4: wide asynchronous
 target0:0:4: FAST-20 WIDE SCSI 40.0 MB/s ST (50 ns, offset 16)
 target0:0:4: Domain Validation skipping write tests
 target0:0:4: Ending Domain Validation
ACPI: PCI Interrupt 0000:00:0d.1[B] -> GSI 22 (level, low) -> IRQ 20
sym1: <875> rev 0x37 at pci 0000:00:0d.1 irq 20
sym1: No NVRAM, ID 7, Fast-20, SE, parity checking
sym1: SCSI BUS has been reset.
scsi1 : sym-2.2.3
and lsscsi reports (correctly):
Code:
[0:0:0:0]    disk    COMPAQ   BB018135B5       B017  -       
  dir: /sys/bus/scsi/devices/0:0:0:0  [/sys/devices/pci0000:00/0000:00:0d.0/host0/target0:0:0/0:0:0:0]
[0:0:1:0]    disk    FUJITSU  MAE3091LC        0112  -       
  dir: /sys/bus/scsi/devices/0:0:1:0  [/sys/devices/pci0000:00/0000:00:0d.0/host0/target0:0:1/0:0:1:0]
[0:0:2:0]    disk    FUJITSU  MAE3091LC        0112  -       
  dir: /sys/bus/scsi/devices/0:0:2:0  [/sys/devices/pci0000:00/0000:00:0d.0/host0/target0:0:2/0:0:2:0]
[0:0:3:0]    disk    FUJITSU  MAE3182LC        0112  -       
  dir: /sys/bus/scsi/devices/0:0:3:0  [/sys/devices/pci0000:00/0000:00:0d.0/host0/target0:0:3/0:0:3:0]
[0:0:4:0]    disk    FUJITSU  MAE3182LC        0112  -       
  dir: /sys/bus/scsi/devices/0:0:4:0  [/sys/devices/pci0000:00/0000:00:0d.0/host0/target0:0:4/0:0:4:0]
However I am unable to access the disks. No devices are created in /dev/ and MAKEDEV sda creates some device nodes, but when I try to use them it just tells me that there is 'No such device or address.' I am reasonably experienced at using Linux, but I haven't really played with SCSI before, so sorry if I am missing something really obvious.

Last edited by infinity42; 02-04-2007 at 10:09 AM.
 
  


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