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From: dpassage@cyclone.Berkeley.EDU (David G. Paschich)
Newsgroups: comp.unix.admin
Subject: Re: UNIX filesystems on Sun SPARCstation floppy disks (solved, sort of)
Message-ID: <1991May7.000858.24338@agate.berkeley.edu>
Date: 7 May 91 00:08:58 GMT
References: <1991Apr23.155250@quercus.gsfc.nasa.gov> <1991Apr26.141911.17924@Arco.COM> <1991Apr30.213800.18265@trc.amoco.com>
Sender: root@agate.berkeley.edu (Charlie Root)
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Organization: UC Berkeley Open Computing Facility
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In article <1991Apr30.213800.18265@trc.amoco.com> zjmw36@trc.amoco.com (Joe M. Wade) writes:
>In article <1991Apr26.141911.17924@Arco.COM>, phil@inetg1.ARCO.COM (Phil Meyer) writes:
>|> Some 3-1/2" floppies have holes in BOTH corners.  You have to tape over the
>|> other hole in order for the SUNOS tools to work.
>|> 'Once bitten...'
>The second hole on some diskettes is to denote that is is high density. If
>SUNOS tools only works for low density as you imply, you could probably 
>force low density fomatting on a high density diskette. Better yet, just 
>use a low density diskette.

As a matter of fact, formatting high density 3.5" disks as low density is in
general a bad idea.  High-density disks use a different magnetic medium with
a lower signal level than low-density disks.  It'll probably format, but it
won't be reliable.  Certainly don't put anything important on it.

David G. Paschich    Open Computing Facility    UC Berkeley
dpassage@ocf.berkeley.edu    
"Everybody wants prosthetic foreheads on their real heads."
					--They Might Be Giants