Re: SCSI tape drive with Adaptec adapter...

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Charles Curley wrote:
Do you have parity enabled or disabled consistently on that SCSI bus?
I.e. all devices have parity enabled or all have it disabled,
including the HA. Parity enable on this drive is jumpers 7 and 8, next
to the three address bit jumpers. Parity enable in the 2940 is via the
BIOS firmware.

Ok, the parity error is now fixed. I had parity enabled in the BIOS and disabled on the drive. The parity error is now gone.


However I still can't get to the tape drive. I tried both the new and old drivers.

Aug 27 12:57:31 penguin kernel: ACPI: PCI interrupt 0000:00:0a.0[A] -> GSI 11 (level, low) -> IRQ 11
Aug 27 12:57:31 penguin kernel: scsi5 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
Aug 27 12:57:31 penguin kernel: <Adaptec 2940 SCSI adapter>
Aug 27 12:57:31 penguin kernel: aic7870: Single Channel A, SCSI Id=7, 16/253 SCBs
Aug 27 12:57:31 penguin kernel:
Aug 27 12:57:49 penguin kernel: (scsi5:A:4): 5.000MB/s transfers (5.000MHz, offset 15)
Aug 27 12:57:49 penguin kernel: Vendor: CONNER Model: CTT8000-S Rev: 1.17
Aug 27 12:57:49 penguin kernel: Type: Sequential-Access ANSI SCSI revision: 02
Aug 27 12:57:49 penguin kernel: Attached scsi tape st0 at scsi5, channel 0, id 4, lun 0
Aug 27 12:57:49 penguin kernel: st0: try direct i/o: yes (alignment 512 B), max page reachable by HBA 1048575
Aug 27 12:57:49 penguin kernel: Attached scsi generic sg5 at scsi5, channel 0, id 4, lun 0, type 1


ACPI: PCI interrupt 0000:00:0a.0[A] -> GSI 11 (level, low) -> IRQ 11
scsi5 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
        <Adaptec 2940 SCSI adapter>
        aic7870: Single Channel A, SCSI Id=7, 16/253 SCBs

(scsi5:A:4): 5.000MB/s transfers (5.000MHz, offset 15)
Vendor: CONNER Model: CTT8000-S Rev: 1.17
Type: Sequential-Access ANSI SCSI revision: 02
Attached scsi tape st0 at scsi5, channel 0, id 4, lun 0
st0: try direct i/o: yes (alignment 512 B), max page reachable by HBA 1048575
Attached scsi generic sg5 at scsi5, channel 0, id 4, lun 0, type 1


Also, you have firmware rev 1.17. You might want to upgrade it. I seem
to recall problems with 1.17. I have 1.22, and there may be even more
recent firmware.

I'll try that next.

Now I remember why I avoid SCSI...

--
Greg Gulik                                 http://www.gulik.org/greg/
greg @ gulik.org



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