Date: Sat, 27 Mar 2010 16:15:07 -0700 From: Ali Mashtizadeh <mashtizadeh@gmail.com> To: Aristedes Maniatis <ari@ish.com.au> Cc: freebsd-fs@freebsd.org Subject: Re: boot code compatibility with ZFS Message-ID: <440b3e931003271615w1ad38306i55d01b059a306af0@mail.gmail.com> In-Reply-To: <4BAE869C.6070601@ish.com.au> References: <4BAE869C.6070601@ish.com.au>
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HEAD and 8-STABLE have support for booting off of raidz volumes. 8-STABLE this was merged in 204251. On Sat, Mar 27, 2010 at 3:28 PM, Aristedes Maniatis <ari@ish.com.au> wrote: > FreeBSD has recently been able to boot directly from ZFS as deailed here: > > =C2=A0http://wiki.freebsd.org/RootOnZFS > > Naturally having functional boot code has been key to this, but it is ver= y > confusing as to why sometimes I can get FreeBSD to boot nicely and someti= mes > not. From comments in threads and my experience, I've got the following > rough timeline: > > FreeBSD 7.1: ZFS version 6, no ZFS boot capability > FreeBSD 7.2: ZFS version 6, zfsboot only, boot from single vdev pool only > FreeBSD 7.3: ZFS version 13, zfsboot broken, no ZFS boot capability > > FreeBSD 8.0: ZFS version 13, gptzfsboot and zfsboot, boot from mirrored p= ool > or single vdev, RAIDZ not supported, degraded pool not supported > > > My questions: > > 1. Is the above list correct? > > 2. What is the situation for the two stable branches? > > 3. In an effort to get a machine booting properly I tried installing the > boot code from 8-STABLE with a 8.0 kernel. That didn't work. What is the > situation with backward and forward compatibility of the boot code? Will > there come a time when an OS update will require an update of the boot co= de? > > > If someone were able to put these answers on the wiki page as well, I > believe this would help others. > > > Thanks > Ari Maniatis > > -- > --------------------------> > Aristedes Maniatis > ish > http://www.ish.com.au > Level 1, 30 Wilson Street Newtown 2042 Australia > phone +61 2 9550 5001 =C2=A0 fax +61 2 9550 4001 > GPG fingerprint CBFB 84B4 738D 4E87 5E5C =C2=A05EFA EF6A 7D2E 3E49 102A > > -- > --------------------------> > Aristedes Maniatis > ish > http://www.ish.com.au > Level 1, 30 Wilson Street Newtown 2042 Australia > phone +61 2 9550 5001 =C2=A0 fax +61 2 9550 4001 > GPG fingerprint CBFB 84B4 738D 4E87 5E5C =C2=A05EFA EF6A 7D2E 3E49 102A > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > --=20 Ali Mashtizadeh =D8=B9=D9=84=DB=8C =D9=85=D8=B4=D8=AA=DB=8C =D8=B2=D8=A7=D8=AF=D9=87
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