problems accessing scsi tape drive.

Martijn Moret martijn at mmoret.com
Sun Apr 18 15:58:37 UTC 2004


> Am So, den 18.04.2004 schrieb Bill Kenney um 16:23:
>
>> Hello,
>>
>> I had a similar problem with an Adapted 2940 card which worked with
>> everything but Fedora.
>>
>> The solution was to run # insmod aic7xxx_old.o
>>
>> This solution was provided by a person on this list.
>
> I think it was me ;)
>
>> Maybe there is an ncr53c8xx_old.o module you could install to solve the
>> problem.
>
> No, the ncr53c8xx .o is already the older driver. The new one is called
> sym53c8xx.o.
>
>> Remember to backup before making changes to give you a way back!
>>
>> Bill
>>
>>
>> On Sun, 2004-04-18 at 04:19, Martijn Moret wrote:
>> > Hi,
>> >
>> > I'm trying to access a SCSI tape drive DDS-3 on Fedore core 1.
>> > In the messages and dmesg it shows up fine, but I can't run mt
>> command's
>> > on the drive!
>> >
>> > When connected to another machine (some controller) but running RH9
>> the
>> > drive works fine.
>> >
>> > Any hints would be nice.
>> >
>> > Dmesgs:
>> > PCI: Found IRQ 11 for device 00:08.0
>> > ncr53c8xx: at PCI bus 0, device 8, function 0
>> > ncr53c8xx: 53c810a detected
>
> A very old SCSI chip/controller, I think it even has no own BIOS.

I know it's old, but works fine for my nighly backup's with bacula!

>
>> > ncr53c810a-0: rev 0x23 on pci bus 0 device 8 function 0 irq 11
>> > ncr53c810a-0: ID 7, Fast-10, Parity Checking
>> > scsi1 : ncr53c8xx-3.4.3b-20010512
>> >   Vendor: HP        Model: C1537A            Rev: L610
>> >   Type:   Sequential-Access                  ANSI SCSI revision: 02
>> > Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
>> > sr0: scsi3-mmc drive: 40x/40x writer cd/rw xa/form2 cdda tray
>> > st: Version 20030406, bufsize 32768, max init. bufs 4, s/g segs 16
>> > Attached scsi tape st0 at scsi1, channel 0, id 5, lun 0
>> > ncr53c810a-0-<5,*>: FAST-10 SCSI 10.0 MB/s (100 ns, offset 8)
>
> Do the following 5 lines appear after accessing the tape drive with
> commands?

These messages show up right after initializing (in the messages and dmesg)
Lines from the messages:

Apr 18 13:37:57 kanga kernel: PCI: Found IRQ 11 for device 00:08.0
Apr 18 13:37:57 kanga kernel: ncr53c8xx: at PCI bus 0, device 8, function 0
Apr 18 13:37:57 kanga kernel: ncr53c8xx: 53c810a detected
Apr 18 13:37:57 kanga kernel: ncr53c810a-0: rev 0x23 on pci bus 0 device 8
function 0 irq 11
Apr 18 13:37:57 kanga kernel: ncr53c810a-0: ID 7, Fast-10, Parity Checking
Apr 18 13:37:57 kanga kernel: scsi1 : ncr53c8xx-3.4.3b-20010512
Apr 18 13:37:57 kanga kernel:   Vendor: HP        Model: C1537A           
Rev: L610
Apr 18 13:37:57 kanga kernel:   Type:   Sequential-Access                 
ANSI SCSI revision: 02
Apr 18 13:37:57 kanga kernel: Attached scsi CD-ROM sr0 at scsi0, channel
0, id 0, lun 0
Apr 18 13:37:57 kanga kernel: sr0: scsi3-mmc drive: 40x/40x writer cd/rw
xa/form2 cdda tray
Apr 18 13:37:57 kanga kernel: st: Version 20030406, bufsize 32768, max
init. bufs 4, s/g segs 16
Apr 18 13:37:57 kanga kernel: Attached scsi tape st0 at scsi1, channel 0,
id 5, lun 0
Apr 18 13:37:57 kanga kernel: ncr53c810a-0-<5,*>: FAST-10 SCSI 10.0 MB/s
(100 ns, offset 8)
Apr 18 13:37:57 kanga kernel: st0: Block limits 1 - 16777215 bytes.
Apr 18 13:37:57 kanga kernel: ncr53c810a-0: releasing host resources
Apr 18 13:37:57 kanga kernel: ncr53c810a-0: resetting chip
Apr 18 13:37:57 kanga kernel: ncr53c810a-0: host resources successfully
released
Apr 18 13:37:57 kanga kernel: scsi : 1 host left.

All mt commands give the following:
# mt -f /dev/st0 status
/dev/st0: No such device or address
>
>> > st0: Block limits 1 - 16777215 bytes.
>> > ncr53c810a-0: releasing host resources
>> > ncr53c810a-0: resetting chip
>> > ncr53c810a-0: host resources successfully released
>> > scsi : 1 host left.
>> >
>> > TIA
>> > Martijn
>
> Alexander
>
>
> --
> Alexander Dalloz | Enger, Germany | GPG key 1024D/ED695653 1999-07-13
> Fedora GNU/Linux Core 1 (Yarrow) on Athlon CPU kernel 2.4.22-1.2179.nptl
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