Checksum: 04086
Path: utzoo!utgpu!romwa
From: romwa@gpu.utcs.utoronto.ca (Royal Ontario Museum)
Date: Sat, 27-May-89 23:28:37 EDT
Message-ID: <1989May27.232837.19151@gpu.utcs.utoronto.ca>
Organization: University of Toronto Computing Services
Newsgroups: comp.unix.microport
Subject: Re: Backups of Distibution Floppies
References: <752@mccc.UUCP> <3501@ddsw1.MCS.COM>
Reply-To: romwa@gpu.utcs.UUCP (Royal Ontario Museum)
Distribution: usa

In article <3501@ddsw1.MCS.COM> karl@ddsw1.UUCP (Karl Denninger) writes:
>In article <752@mccc.UUCP> pjh@mccc.UUCP (Pete Holsberg) writes:
>>I have Microport V/386 and a friend has SCO Xenix/386, and we were both
>>wondering how to make backups of the distribution floppy disks?  Can you use
>>DISKCOPY or are they *NIX-formatted disks?  If the latter, are they mountable,
>>or are the files tar/cpio archives?  Or ???
>
>This comes up often enough to warrant a post....
>
>Format the destination diskette.
>
>Assuming a 1.2MB floppy:
>	dd if=/dev/rfd096ds15 of=/tmp/disk bs=15k  	(Xenix)
>		or
>	dd if=/dev/rdsk/fd096ds15 of=/tmp/disk bs=15k	(Microport)
>
>This copies the disk to a temporary file.
>
>Then, to make a dup, insert a blank formatted disk, and type:
>	dd of=/dev/rfd096ds15 if=/tmp/disk bs=15k  	(Xenix)
>		or
>	dd of=/dev/rdsk/fd096ds15 if=/tmp/disk bs=15k	(Microport)

There is a Xenix utility named diskcp that is a bit easier to
use--no need to use dd.  Diskcp allows multiple copies of the
source.

I suspect it does the same routine as the above posting--it's
just less verbose.  I would not bother using MS-DOS utilities
either.

Mark T. Dornfeld
Royal Ontario Museum
100 Queens Park
Toronto, Ontario, CANADA
M5S 2C6

mark@utgpu!rom      - or -     romwa@utgpu