Date: Fri, 6 Jun 2014 16:16:03 -0700 From: Freddie Cash <fjwcash@gmail.com> To: Martin Simmons <martin@lispworks.com> Cc: FreeBSD Filesystems <freebsd-fs@freebsd.org> Subject: Re: Is ZFS Multi-vdev root pool configuration discovery supported? Message-ID: <CAOjFWZ7C0SQiPa=VkYr330OiYua%2BDgJx65yYj7wTiLH5-c0EbQ@mail.gmail.com> In-Reply-To: <201406061624.s56GOOx7015821@higson.cam.lispworks.com> References: <201406061624.s56GOOx7015821@higson.cam.lispworks.com>
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Typos courtesy of my Android phone. On Jun 6, 2014 9:35 AM, "Martin Simmons" <martin@lispworks.com> wrote: > > Hi, > > Does anyone know if FreeBSD 9.2 (or indeed head) supports "Root On ZFS" with a > multi-vdev pool (e.g. 4 disks configured as two mirrored pairs)? > > Looking at the source, sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c > contains the comment: > > /* > * Multi-vdev root pool configuration discovery is not supported yet. > */ > > but the code below it from r243502 suggests that this is no longer true. FreeBSD 9.2 boots successfully off a 2-mirror vdev pool. I run that at home. gptzfsloader is installed on each disk in the system, and it will boot off any of them (changed order manually in the BIOS to test).
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