Newsgroups: comp.unix.wizards
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: R/O root
Message-ID: <1988Feb3.121830.11101@utzoo.uucp>
Organization: U of Toronto Zoology
References: <1438@hplabsz.HPL.HP.COM> <93900011@hcx1>, <10320@mimsy.UUCP>
Date: Wed, 3-Feb-88 12:18:16 EST

> ... If you make pipedev != rootdev on such a
> system, you will not be able to create pipes until the pipe device
> is mounted...

It's trivial to fix things so that the system uses pipedev if and only if
it is mounted, and rootdev otherwise.  We made pipedev a small RAM disk;
the effect on system performance was quite noticeable.
-- 
Those who do not understand Unix are |  Henry Spencer @ U of Toronto Zoology
condemned to reinvent it, poorly.    | {allegra,ihnp4,decvax,utai}!utzoo!henry