Date: Tue, 24 Oct 2000 16:19:22 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Dag-Erling Smorgrav <des@ofug.org> Cc: Marius Bendiksen <mbendiks@eunet.no>, arch@FreeBSD.ORG Subject: Re: Ideas concerning fsck Message-ID: <19690.972397162@critter> In-Reply-To: Your message of "24 Oct 2000 16:08:15 %2B0200." <xzpu2a2s568.fsf@flood.ping.uio.no>
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>I'm not familiar with the concept of bootfs - can somebody enlighten >me? The idea is to use a small RAM fs to get airborne after boot. AIX boots with what is in essence a fixit filesystem on a ramdisk, once it has located the real root filesystem and fsck'ed etc etc it has a magic syscall which means "throw away the rootfilesystem, mount this filesystem as root, (re)exec /sbin/init" The idea I have been toying with is to mount DEVFS as / and mount the "real" root on top of it with a unionmount. Amongst the things this would allow is a kind of "persistence" for /dev (should anybody still want that) and various trickery like mirror/raid initializations could be performed from userland before mounting the "real" root. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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