SCSI Tape drive doesn't work - problems with AHA 2940 UW ?

[Milen Dimitrov]

Additional info:
# cat /proc/scsi/scsi
Attached devices: none
#


Milen Dimitrov wrote:

> Hi,
>
> I have installed AHA-2940UW Dual SCSI adapter and external HP 
> SureStore DAT 24 Tape drive
> on my linux box running RedHat 9.
> On the next boot RedHat detected the new hardware.
> When using RedHat Hardware browser I see it in the list of hardware 
> devices :
> SCSI devices:
> ---AHA-2940UW/AHA-38XX/AIC-7895
> ---AHA-2940UW/AHA-38XX/AIC-7895
> -------------Manufecturer : Adaptec
> -------------Driver: aic7xxx
> Tape Drives:
> ---HP C1537A
> -------------Manufecturer : Unknown
> -------------Driver: none or buil-in
> -------------Device : /dev/st
>
> The problems - cannot access tape drive: Here are the commands and the 
> error messages:
> #mt status
> #/dev/tape: No such file or directory
> # mt -f /dev/st status
> #/dev/st: No such file or directory
> # mt -f /dev/st0 status
> #/dev/st0: No such device or address
>
> How can I check/prove if AHA 2940 driver is working properly ?
> Any ideas how to solve the problem and make the tape drive work?
>
> Thank you for the help in advance!
> Milen
> ======================================================
> P.S.
> I'm posting the ouput of lsmod and dmesg commands bellow:
>
> Here is the output of lsmod command: (you can see st, scsi_mod i the 
> list)
> #lsmod
> #
> Module                  Size  Used by    Not tainted
> st                     31660   0  (autoclean)
> nls_iso8859-1           3516   0  (autoclean)
> udf                    98432   0  (autoclean)
> r128                   88408   1
> agpgart                48128   3
> parport_pc             19076   1  (autoclean)
> lp                      8996   0  (autoclean)
> parport                37056   1  (autoclean) [parport_pc lp]
> autofs                 13268   0  (autoclean) (unused)
> 8139too                18120   1
> mii                     3976   0  [8139too]
> microcode               4668   0  (autoclean)
> ide-scsi               12208   0
> scsi_mod              107544   2  [st ide-scsi]
> ide-cd                 35712   0
> cdrom                  33728   0  [ide-cd]
> keybdev                 2976   0  (unused)
> mousedev                5556   1
> hid                    22244   0  (unused)
> input                   5856   0  [keybdev mousedev hid]
> usb-uhci               26412   0  (unused)
> usbcore                79040   1  [hid usb-uhci]
> ext3                   70784   2
> jbd                    51924   2  [ext3]
> =============================================================
> scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.8
>       <Adaptec 2940/DUAL Ultra SCSI adapter>
>       aic7895: Ultra Wide Channel A, SCSI Id=7, 32/253 SCBs
>
> scsi2 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.8
>       <Adaptec 2940/DUAL Ultra SCSI adapter>
>       aic7895: Ultra Single Channel B, SCSI Id=7, 32/253 SCBs
>
> Vendor: HP        Model: C1537A            Rev: L907
> Type:   Sequential-Access                  ANSI SCSI revision: 02
> blk: queue decd7014, I/O limit 4095Mb (mask 0xffffffff)
> st: Version 20030406, bufsize 32768, max init. bufs 4, s/g segs 16
> Attached scsi tape st0 at scsi2, channel 0, id 2, lun 0
> scsi : 1 host left.
>
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