*BSD News Article 38437


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From: lm@slovax.engr.sgi.com (Larry McVoy)
Newsgroups: comp.unix.bsd
Subject: Re: ffs & sunos?
Date: 26 Nov 1994 19:42:05 GMT
Organization: Silicon Graphics Inc., Mountain View, CA
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References: <3ahflh$og3@spruce.cic.net> <3ajbo2$kc9@fido.asd.sgi.com> <3avsns$242@fsgi01.fnal.gov>
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Ken Stox (stox@fsgi01.fnal.gov) wrote:

: In article <3ajbo2$kc9@fido.asd.sgi.com>, lm@slovax.engr.sgi.com (Larry McVoy) writes:
: |> On the other hand, you could have a lot of fun with the stacking 
: |> file systems - see usr/src/miscfs/union_fs for example.

: Too late, SunOS did this with TFS. Not very well documented, but there
: none the less.

The 4.4 stuff is far nicer in some ways.  It is kernel level, TFS is a
single user process.  However, the union stuff has no whiteout support
so there is no way to do an rm.
--
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Larry McVoy			(415) 390-1804			 lm@sgi.com