Re: ADR ide tape backup setup

[Jeff Licquia <jeff@licquia.org>]

On Sat, 2003-01-18 at 17:51, Dan Fleischer wrote:
> I recently bought an OnStream ADR2-60 ide tape backup unit and am having
> trouble setting it up.
> 
> I'm running RH8.0, kernel 2.4.18-19.8.0.
> 
> The tape device is listed as /dev/hdd
> 
> ide-scsi is listed in:
> /usr/src/linux-2.4.18-14/drivers/scsi/ide-scsi.c
> /usr/src/linux-2.4.18-14/drivers/scsi/ide-scsi.h
> /lib/modules/2.4.18-19.8.0/kernel/drivers/scsi/ide-scsi.o
> 
> Both mt and mt-st are installed.
> 
> I tried following the instructions at
> http://www.atlcon.net/info/Linux/LinuxTips.htm and got a kernel panic.
> 
> Any suggestions?

The suggestions on that page look pretty good, but there's another way.

See if you have devices named "/dev/ht?" and "/dev/nht?", where the ? is
a number.  If not, do "cd /dev; makedev ht0" as root.  Then, remove the
grub.conf lines they suggest, and don't load ide-scsi.  Finally, try "mt
-f /dev/ht0 status".

> Also, what might the rewinding and non-rewinding devices be?

Tape device files on Linux typically have a "n" as the first character
of their name, along with files that are the same except without the
"n".  The "n" specified "non-rewinding".  So, /dev/ht0 is the rewinding
device for the first IDE tape drive, and /dev/nht0 is the non-rewinding
device for the same drive.


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