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Article #2585

Re: NeXT/DEC floppies compatible?

#2585
From: Stan Uno
Date: Tue, 18 Dec 1990 23:01
31 lines
1781 bytes
In article <AbPCdOm00VI8APgkFd@andrew.cmu.edu> dd26+@andrew.cmu.edu (Douglas F. DeJulio) writes:
>I've got a NeXTstation at home with a 3.5" floppy drive, and a
>VAXstation at the office with a 3.5" floppy drive.  If I format a
>floppy with a unix filesystem using one of these machines, is there
>any way (short of writing a device driver) to read it on the other?
>I'm curious about compatibility with SPARCstation drives as well, but
>I'm not as concerned because I don't use those frequently.

1) In general, use a more transportable format like tar(1) for writing the
   data to the floppy.  File systems are rarely compatible across
   different hardware architectures, Unix OS levels, etc.  I.e., you'd end
   up writing more than a device driver to use it a file system on floppy
   from another machine...

2) I believe you still might have problems if the requisite physical block
   size should differ on two different machines.

Hope that helps without being too obtuse.  Anyone got the blocksizes handy
for any of the more popular machines?

			Stan Uno
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Path: arc1-ca.pugleaf.net!utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!think.com!linus!philabs!ttidca!uno
From: uno@ttidca.TTI.COM (Stan Uno)
Newsgroups: comp.sys.dec,comp.sys.next
Subject: Re: NeXT/DEC floppies compatible?
Message-ID: <21972@ttidca.TTI.COM>
Date: 18 Dec 90 23:01:27 GMT
References: <AbPCdOm00VI8APgkFd@andrew.cmu.edu>
Organization: Citicorp/TTI, Santa Monica
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