Very Computer

> I'm reposting this because after I answered the questions from my first
> post I didn't get any responses back.  I'm hoping my response just got
> missed.  If I don't get any response this time I'll go quietly away and
> assume this mystery will not be solved.  Maybe then I'll try some sort of
> partition copy as a poor man's backup.

>> I'm reposting this because after I answered the questions from my first
>> post I didn't get any responses back.  I'm hoping my response just got
>> missed.  If I don't get any response this time I'll go quietly away and
>> assume this mystery will not be solved.  Maybe then I'll try some sort of
>> partition copy as a poor man's backup.

> You don't want to apply pressure to us , do you ?
> At least I don't always have enough time to answer the questions
> I'd like to, unfortunately...

>> Anyhow, here's the story of my tape drive that Linux insists does not
>> exist.

>> When I try to actually write to it I get the error:
>> Cannot open: No such device

>> Configuration Details...
>> (...)

>> -----------------------------------
>> Info from /etc/sysconfig/hwconf:

>> class: SCSI
>> bus: PCI
>> detached: 0
>> driver: aic7xxx
>           ^^^^^^^

>> desc: "Adaptec|AIC-7881U"
>> vendorId: 9004
>> deviceId: 8178
>> subVendorId: 9004
>> subDeviceId: 7881
>> pciType: 1
>> -
>> class: TAPE
>> bus: SCSI
>> detached: 0
>> device: st
>> driver: ignore
>> desc: "Seagate STT8000N"
>> host: 1
>> id: 4
>> channel: 0
>> lun: 0
>> -

>> -----------------------------------
>> *** Here's the only part that seems not quite right
>> cat /proc/scsi/scsi
>> Attached devices:
>> Host: scsi0 Channel: 00 Id: 00 Lun: 00
>>   Vendor: ATAPI    Model: CD-R/RW 24X10    Rev: P.GJ
>>   Type:   CD-ROM                           ANSI SCSI revision: 02

>> Notice that there is no tape drive listed but the IDE CD-ROM is (Thanks
>> to ken for some insight here)

>> -----------------------------------

> Is the tape drive your only device on the Adaptec SCSI bus ?

>> Using root:
>> dmesg does NOT produce any additional logging after a tar -cvf /dev/st0 *

> But _does_ it log your Adaptec HA, at least, or doesn't it ?

>> Yes, the st modules IS loaded

>> Module                  Size  Used by
>> st                     26304   0 (autoclean) (unused)

>> -----------------------------------
>> There is no /dev/tape device defined.
>> What is defined is:
>> /dev/nst0   /dev/nst0l  /dev/osst0   /dev/osst0l  /dev/st0   /dev/st0l
>> /dev/nst0a  /dev/nst0m  /dev/osst0a  /dev/osst0m  /dev/st0a  /dev/st0m

> You didn't tell us, if a driver for your HA proper (i.e. aic7xx - see
> above) is/gets loaded on booting, or if not.
> In the latter case, try a manual 'modprobe aic7xx' first (as root).

> Then, we'll go on diagnosing - or does this already solve your
> problem ?

> Juergen

>Anyhow, here's the story of my tape drive that Linux insists does not exist.

>When I try to actually write to it I get the error:
>Cannot open: No such device

>Configuration Details...

>The machine actually has a dual boot (grub) with windows.  The drive works
>flawlessly under windows.  Of course we don't really want windows, but it
>does establish all is well on a hardware level.

>Specifically there are no ID conflicts and it is terminated properly.

>-----------------------------------
>Info from /etc/sysconfig/hwconf:

>class: SCSI
>bus: PCI
>detached: 0
>driver: aic7xxx
>desc: "Adaptec|AIC-7881U"
>vendorId: 9004
>deviceId: 8178
>subVendorId: 9004
>subDeviceId: 7881
>pciType: 1
>-
>class: TAPE
>bus: SCSI
>detached: 0
>device: st
>driver: ignore
>desc: "Seagate STT8000N"
>host: 1
>id: 4
>channel: 0
>lun: 0
>-

>-----------------------------------
>*** Here's the only part that seems not quite right
>cat /proc/scsi/scsi
>Attached devices:
>Host: scsi0 Channel: 00 Id: 00 Lun: 00
>  Vendor: ATAPI    Model: CD-R/RW 24X10    Rev: P.GJ
>  Type:   CD-ROM                           ANSI SCSI revision: 02

>Notice that there is no tape drive listed but the IDE CD-ROM is (Thanks to
>ken for some insight here)

>-----------------------------------
>Using root:
>dmesg does NOT produce any additional logging after a tar -cvf /dev/st0 *

>Yes, the st modules IS loaded

>Module                  Size  Used by
>st                     26304   0 (autoclean) (unused)

>-----------------------------------
>There is no /dev/tape device defined.
>What is defined is:
>/dev/nst0   /dev/nst0l  /dev/osst0   /dev/osst0l  /dev/st0   /dev/st0l
>/dev/nst0a  /dev/nst0m  /dev/osst0a  /dev/osst0m  /dev/st0a  /dev/st0m