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Re: SCSI Tape Device



On Wed, May 01, 2002 at 05:20:05PM -0700, curtis wrote:
>  There have been some good posts concerning SCSI device modules that 
> have helped me try to correct my problem, but nonetheless, I'm still stuck.
> 
> Ok, here is more information.
> 
> When I was using kernel 2.2.xxx my SCSI tape drive worked.
> Provided immediately below I am attaching those sections of dmesg output 
> that would appear to be relevant to my SCSI device for kernel 2.2.xxx. 
>    Linux version 2.2.17 (herbert@arnor) (gcc version 2.95.2 20000313
>    (Debian GNU/Linux)) #1 Sun Jun 25 09:24:41 EST 2000
>    ....
>    md driver 0.36.6 MAX_MD_DEV=4, MAX_REAL=8
>    (scsi0)  found at PCI 0/10/0
>    (scsi0) Wide Channel, SCSI ID=7, 16/255 SCBs
>    (scsi0) Downloading sequencer code... 415 instructions downloaded
>    scsi:  Detection failed (no card)
>    ....
>    scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.31/3.2.4
>    
>    scsi : 1 host.
>    (scsi0:0:2:0) Synchronous at 6.67 Mbyte/sec, offset 15.
>    Vendor: ARCHIVE Model: Python 02779-XXX Rev: 6280
>    Type: Sequential-Access ANSI SCSI revision: 02
>    scsi : detected total.
>    ....
>    st: bufsize 32768, wrt 30720, max buffers 5, s/g segs 16.
>    Detected scsi tape st0 at scsi0, channel 0, id 2, lun 0
>    Serial driver version 4.27 with no serial options enabled
> 
> 
> After updating to kernel 2.4.18, there is only 1 line related to the SCSI 
> driver in dmesg as shown below:
> 
>    Linux version 2.4.18-386 (herbert@gondolin) (gcc version 2.95.4
>    (Debian prerelease)) #2 Wed Mar 20 20:15:40 EST 2002
>    ....
>    SCSI subsystem driver Revision: 1.00
> 
> 
> Reading some of the latest SCSI issues I put the only module I would think 
> relates to my SCSI device in my modules file, rebooted. Still it's not 
> working. Here's the output form dmesg now:
> 
> Linux version 2.4.18-386 (herbert@gondolin) (gcc version 2.95.4 20011002 
> (Debian prerelease)) #2 Sun Apr 14 10:38:08 EST 2002
> .....
> SCSI subsystem driver Revision: 1.00
> (scsi0) <Adaptec AHA-294X SCSI host adapter> found at PCI 0/10/0
> (scsi0) Wide Channel, SCSI ID=7, 16/255 SCBs
> (scsi0) Downloading sequencer code... 415 instructions downloaded
> scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.4/5.2.0
>       <Adaptec AHA-294X SCSI host adapter>
>  Vendor: ARCHIVE   Model: Python 02779-XXX  Rev: 6280
>  Type:   Sequential-Access                  ANSI SCSI revision: 02
> (scsi0:0:2:1) Synchronous at 6.67 Mbyte/sec, offset 15.
> st: Version 20020205, bufsize 32768, wrt 30720, max init. bufs 4, s/g segs 
> 16
> Attached scsi tape st0 at scsi0, channel 0, id 2, lun 0
> ....
> st0: Block limits 1 - 16777215 bytes.
> 
> 
> Can anyone help me figure this one out?

I have an old AHA-2940 card. 
modules loaded: scsi_mod, sd_mod, st, sg, ide-scsi, aic7xxx
These work with 2.4.17-386; I haven't checked it yet with
2.4.18. "modprobe st" may be all you need to do.
ide-scsi is loaded because my tape drive is actually ide device. I
think sd_mod is needed for zip drive and not tape but am not sure.

Jerome

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