Hi, have been trying to get the tape drive to function with Tapeware, but no success.

Tape drive is recognized:
cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: SEAGATE Model: ST336607LW Rev: 0007
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: SEAGATE Model: ST336607LW Rev: 0007
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 03 Lun: 00
Vendor: HP Model: C1537A Rev: L111
Type: Sequential-Access ANSI SCSI revision: 02

And is accessible:
mt status (with no tape)
SCSI 2 tape drive:
File number=-1, block number=-1, partition=0.
Tape block size 0 bytes. Density code 0x0 (default).
Soft error count since last status=0
General status bits on (50000):
DR_OPEN IM_REP_EN

mt status (with tape)
SCSI 2 tape drive:
File number=0, block number=0, partition=0.
Tape block size 0 bytes. Density code 0x25 (DDS-3).
Soft error count since last status=0
General status bits on (41010000):
BOT ONLINE IM_REP_EN

This is my lsmod:
ide_scsi 19273 0
st 39133 0
aic79xx 196829 3
sd_mod 20545 5
scsi_mod 115777 4 ide_scsi,st,aic79xx,sd_mod

I can get it to work doing the following:
rmmod st
modprobe sg

Then my lsmod looks like this:

Module Size Used by
ide_scsi 19273 0
st 39133 0
aic79xx 196829 3
sd_mod 20545 5
scsi_mod 115777 4 ide_scsi,st,aic79xx,sd_mod

Then.. stopping the Tapeware Service
twunxsvc -x
Restarting....
twunxsvc -s

And then everything is ok!
What should i do to make this permanent?

(sorry for the long post, just trying to provide as much info as i can)

What do you mean by "permanent"?

You say it works at the end there just before your question.... (And then everything is ok!)

I want it to work without having to do at each reboot:

rmmod st
modprobe sg
twunxsvc -x
twunxsvc -s

Typically adding the following entry to /etc/modprobe.conf should do the trick:

alias char-major-21 sg


If you are running a newer 2.6.x Kernel, UDEV may be the culprit. Not sure if
Mandrake is using UDEV & Hotplug, but the problem is with the way that UDEV
is defining (or isn't defining) the devices in the newer Kernels.

Edit the /etc/hotplug/scsi.agent file, and change the following line:

1) TYPE=tape ; MODULE=st ;;

to

1) TYPE=tape ; MODULE=sg ;;

The next time you reboot, it should work properly.

Note: You shouldn't have to unload the st module for the sg module to work.
Having them both loaded should have no affect on the other. It just gives you
two different ways of accessing the device.

/Les