Date: Mon, 23 Jan 1995 18:02:52 -0800 (PST) From: julian@tfs.com (Julian Elischer) To: peter@bonkers.taronga.com (Peter da Silva) Cc: terry@cs.weber.edu, mmead@goof.com, hackers@FreeBSD.org Subject: Re: writing bootcode; need a method Message-ID: <m0rWaar-0003wyC@TFS.COM> In-Reply-To: <199501232329.RAA12428@bonkers.taronga.com> from "Peter da Silva" at Jan 23, 95 05:29:39 pm
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> > > Examining a BSD partition: > > > Um, it's more like this: > > > ,------------------------.----------------. > > | 3 | 4 ... | > > |---.---. | | > > | 1 | 2 | | | > > `---'---'----------------'----------------' > > It's very important to understand that slice A contains the second stage > boot and disklabel. I know you know that, Terry, but it's not intuitively > obvious. In our OSF system administration class the instructor insisted > that these were *outside* the slice and that there were special interfaces > to get them. You need to watch out for the infamous "swap on a" problem. yes.... well if we are going to correct things, it's like this: > > ,------------------------.----------------. > > | 4 | 5 ... | > > |---.---.---. | | > > | 1 | 2 | 3 | | | > > `---'---'---'------------'----------------' > > 1) BSD second stage boot. (loads label and 3rd stage) > > 2) BSD disklabel. > > 3) BSD Third stage boot. (loads kernel) > > 4) BSD slice 'a'. > > 5) BSD subsequent slices.
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