Date: Wed, 6 Mar 2013 16:50:47 -0500 From: Paul Kraus <paul@kraus-haus.org> To: "freebsd-questions@freebsd.org List" <freebsd-questions@freebsd.org> Subject: Re: Booting from an aribrary disk in ZFS RAIDZ on 8.x Message-ID: <5177CF5D-D677-4158-8179-0304D803F531@kraus-haus.org> In-Reply-To: <20130305184446.GA81297@polands.org> References: <20130305184446.GA81297@polands.org>
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On Mar 5, 2013, at 1:44 PM, Doug Poland <doug@polands.org> wrote: > I'm running ZFS filesystem ver 3, storage pool ver 14, on 8-STABLE > amd64. The kernel build is rather dated from around Feb 2010. >=20 > I have 6 disks in a RAIDZ configuration. All disks were sliced > the same with gpart (da(n)p1,p2,p3) with bootcode written to index 1, > swap on index 2 and freebsd-zfs on index 3. >=20 > Given this configuration, I should be able to boot from any of the 6 > disks in the RAIDZ. If this is a true statement, how do I make that > happen from the loader prompt? Boot in terms of root FS or in terms of boot loader ?=20 The boot loader would be set in your BIOS (which physical drive you read = for that). /<root> comes from the zpool/zfs dataset once the boot loader loads = enough code to find and mount the filesystem. That comes from all the = drives in the zpool. -- Paul Kraus Deputy Technical Director, LoneStarCon 3 Sound Coordinator, Schenectady Light Opera Company
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