Date: 03 Nov 2000 13:27:26 -0500 From: Randell Jesup <rjesup@wgate.com> To: Barry Pederson <barryp@medicine.nodak.edu> Cc: arch@FreeBSD.ORG Subject: Re: Like to commit my diskprep Message-ID: <ybug0l89ai9.fsf@jesup.eng.tvol.net.jesup.eng.tvol.net> In-Reply-To: Barry Pederson's message of "Thu, 02 Nov 2000 13:55:15 -0600" References: <Pine.BSF.4.05.10011021602500.10193-100000@login-1.eunet.no> <200011021632.eA2GWZ138286@earth.backplane.com> <ybupukecnoq.fsf@jesup.eng.tvol.net.jesup.eng.tvol.net> <3A01C6A3.23C4CD61@medicine.nodak.edu>
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Barry Pederson <barryp@medicine.nodak.edu> writes:
>> The defaults for -b and -f and -c for newfs/etc are WOEFULLY
>> out-of-date. See the sysinstall checkin comment I referenced. I use 16K
>> myself. It's possible larger might be better, especially for large
>> partitions - perhaps make it variable on partition size.... And 16 for cpg
>> is truely criminal (can you say thousands of spare root blocks? And very
>> slow newfs?)
>
>The man page for newfs says:
>
>---------
>BUGS
> The boot code of FreeBSD assumes that the file system that carries the
> kernel has blocks of 8 kilobytes and fragments of 1 kilobyte. You will
> not be able to boot from a file system that uses another size.
>---------
>
>So I'd assume you have to be careful to leave the root at the current
>defaults? (or make the boot code smarter?)
From my system:
a: 819200 0 4.2BSD 4096 16384 75 # (Cyl. 0 - 812*)
So I think that documentation is buggy, not the code. Anyone else
care to confirm?
--
Randell Jesup, Worldgate Communications, ex-Scala, ex-Amiga OS team ('88-94)
rjesup@wgate.com
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