Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!apple!ames!ncar!husc6!rice!sun-spots-request
From: nova!hart@decwrl.dec.com (Howard Hart)
Newsgroups: comp.sys.sun
Subject: Re: Apollo-Sun cartridge tape reading thru tar?
Keywords: Software
Message-ID: <3988@kalliope.rice.edu>
Date: 20 Jun 89 20:21:55 GMT
Sender: usenet@rice.edu
Organization: Sun-Spots
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Approved: Sun-Spots@rice.edu
X-Sun-Spots-Digest: Volume 8, Issue 43, message 1 of 20

In article <3849@kalliope.rice.edu> cynthia@cod.nosc.mil (Cynthia G. Anderson) writes:
>
>I want to be able to write a cartridge tape so that either the a sun-3 or
>4 OR an apollo DN 3010 can read it.  I've been told it's possible using
>tar and some sort of particular format forced on the tape; but I haven't
>found anyone here who really knows how to do it.  help?
>
Piece of cake,
	1) From Apollo side:

		rwmt -w <filename/directory name> -unlab -f 1 -dev ct 
			 -rl <record length (i.e. 80 bytes)> -bl <blocksize>

    2) From Sun side:

		dd if=/dev/nrst8 of= <output filename> ibs= <blocksize above>
		   cbs= <record length specified above> conv=unblock

I choose 80 bytes for the record length since thats the usual size of
ASCII text files. A good number for blocksize is 512. P.S. - if I didn't
make it clear, record length and blocksize is entered as an integer number
only, don't use "80 bytes" for either system.


Howard C. Hart                  UUCP:{sun!sunncal,pyramid}!leadsv!laic!nova!hart
Lockheed Missiles and Space Co.
Orgn 59-53, Bldg 593            Ph: (408) 743-2253 or -7353
Sunnyvale, CA 94086