Re: ZFS patches.

From: Jeremy Chadwick <koitsu_at_FreeBSD.org>
Date: Tue, 29 Jul 2008 13:17:25 -0700
On Tue, Jul 29, 2008 at 11:11:22PM +0700, OutBackdingo wrote:
> Maybe i should have rephrased that. Ive had a running ZFS, i thought as
> i was reading your version of the install guide, if the newer code drop
> included the boot from ZFS. seems i read it was in the perforce tree, so
> i guess ive answered my own qurestion, that it is not in fact in this
> patch
> 
> On Tue, 2008-07-29 at 14:51 +0100, Randy Bush wrote:
> > OutBackdingo wrote:
> > > As in the whole including boot from ZFs, not sure that code is in here
> > > yet?? had the boot code been migrated to allow for booting from a ZFS
> > > partition?? or are we still in the recommended / or /boot being on UFS
> > >> http://wiki.freebsd.org/JeremyChadwick/FreeBSD_7.x_on_a_ZFS_pool
> > 
> > i guess you did not follow the url.
> > 
> > boot from zfs is not supported (yet).
> > 
> > imiho, jeremy's instrs should be combined with those on creating sliced
> > boot gmirror.
> > 
> > randy

I believe it is possible (with or without the patch) to boot purely off
of ZFS.  The ish.com.au document describes how to do this in "Step
Three: solving the ZFS boot problem".

https://www.ish.com.au/solutions/articles/freebsdzfs

I simply choose not to utilise that method.  I'm a bit paranoid about
non-UFS root filesystems.  My main concern revolves around booting into
single-user, which is an important part of the whole build/install world
process -- does it actually work with ZFS as a root fs, and if so, is
any sort of craziness required to accomplish it?

-- 
| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |
Received on Tue Jul 29 2008 - 18:17:25 UTC

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