ZFS patches.
Norikatsu Shigemura
nork at FreeBSD.org
Wed Jul 30 16:32:32 UTC 2008
On Tue, 29 Jul 2008 23:11:37 +0200
Ulf Lilleengen <lulf at freebsd.org> wrote:
> This patch does include ZFS boot support (for i386 only. Look in
> sys/boot/i386/zfsboot and boot/zfs) I was unable to make it work though, but
> I was able to install a ZFS-supporting loader, by building the loader with
> LOADER_ZFS_SUPPORT=yes .
> However, this feature is a bit undocumented yet, and it didn't work correctly
> for me. But you can always test it out.
I'm using zfsboot on my note PC, and not using UFS. I know many
problems about it:-).
1. zpool configuration is too limited, only single and mirror
usable. If you want to zfsboot, you can't use RAIDZ, striping
and cache(zpool add ... cache ...):-(.
2. On some environment (old BIOS?), zfsboot1 can't chain to
zfsboot2. Because, by size (512bytes), zfsboot1 didn't
support CHS mode.
3. Yes, a bit undocumented. So you must be careful.
4. I tried to test about zfsboot supported liveCD, but I can't
make it yet. Because zfsbootable loader can't boot from CD.
SEE ALSO:
http://lists.freebsd.org/pipermail/freebsd-fs/2008-July/004895.html
http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/125878
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