From: matzi AT kr DOT tuwien DOT ac DOT at (Robert Matzinger)
Subject: Re: How to use tar with a DAT-Tape (b18)
14 Jun 1997 02:33:43 -0700
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At 06:57 13-06-97 +0200, you wrote:
>Sirs,
>
>we got a brand-new P6 with Windows NT and a DAT-Tape (HP 1599 / 1533). Now
>I want to read tapes which I saved under Solaris and vice versa.
>How to name the device and how to save files on this device?
>There is no /dev but I think, there is a workaround.
>

I don't know a solution within the Cygnus routines. However I have a 
a 32-bit tar version that works with SCSI tapes. 
At least it works under Win95. You can run it in a DOS-box or on a 
(cygnus) bash-prompt as you like.
You have to set the SCSI-ID of the tape as a DOS Variable in Win95. There
should be a similar mechanism under WinNT.

I frequently exchange data with a Sun running Solaris via the DAT-drive,
there is no problem. Just very seldom on very large backups (>1.5GB) the
"taring" sometimes becomes unstable. But I suppose this is rather a hardware
(or SCSI-driver) problem on my particular machine. 

I know of two versions of this "Gnu Tar with ASPI patch" as it is commonly
called. One I found at a strange Japanese ftp-space, which I never could 
access again after that. The other lies around somewhere at Uni Koeln. 

As they were so hard to find, I made them available at my own 
public ftp-space at 
   ftp://ftp.kr.tuwien.ac.at/pub/matzinger/win95tar
I hope I do not violate any copyright restrictions. There's a README in this 
directory, which you should read. 

However if there is a better solution (e.g. within the CyGnus routines) 
I would be very interested to learn about that.

Hope this is of help. Happy taring.



    Triholareidulioe
        Robert Matzinger

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