Re: [SLUG] SCSI vs "cdrecord -scanbus"

From: Logan Tygart (thelogan@allyourbase-arebelongto.us)
Date: Fri Jun 18 2004 - 18:05:09 EDT

On Fri, 2004-06-18 at 09:04, Eben King wrote:
> On Fri, 18 Jun 2004, Logan Tygart wrote:
>
> > On Thu, 2004-06-17 at 17:34, Eben King wrote:
> > > On Thu, 17 Jun 2004, Logan Tygart wrote:
> > >
> > > > On Thu, 2004-06-17 at 11:26, Eben King wrote:
> > > > > Also, before I changed hardware, "cdrecord -scanbus" would show everything
> > > > > on the SCSI bus. Now, it shows the DVD drive as the only item (0,0,0) on
> > > > > the only bus (scsibus0). How would I get it to show three buses --
> > > > > aic7xxx, ide-scsi, and usb-storage?
> > > >
> > > > Regarding the SCSI, what does dmesg show? Does it show something like
> > > > this for the adapter:
> > <snip my dmesg>
> > > Yes, I see this:
>
> > Ok, a few more questions. Does the tape drive work?
>
> Hardware works, now checking the software... doesn't appear to work. I
> start taper with a tape in the drive as root as
>
> taper -T scsi
>
> then go to "Recreate info file", and it asks me to insert a tape in the
> drive, I hit "OK", then it gives me an error "No such device while opening
> backup device". These files exist:
>
> crw-rw---- 1 root disk 9, 128 Aug 30 2002 /dev/nst0
> crw-rw---- 1 root disk 9, 0 Aug 30 2002 /dev/st0
>
> and these are the top two modules:
>
> sg 36204 0 (autoclean)
> st 31404 0 (autoclean) (unused)
>
> > When you type cdrecord -scanbus what SCSI generic driver appears?
>
> Linux sg driver version: 3.1.25
> Using libscg version 'schily-0.5'
>
> same as yours on sg... older on libscg.

Ok, since you just whipped out the old SCSI CDROM burner, is your
termination correct? Improper termination can cause craziness.

After you check the termination try:

find /home |cpio -ov >/dev/st0

You can replace /home with any directory you want to dump to the tape
drive.

The Logan 

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