Re: ZFS for a desktop computer

On Tue, Nov 11, 2008 at 8:53 AM, Doug Rabson <dfr@xxxxxxxxxx> wrote:

On 10 Nov 2008, at 19:57, Joao Barros wrote:

On Mon, Nov 10, 2008 at 6:43 PM, John Nielsen <lists@xxxxxxxxxxxx> wrote:

On Monday 10 November 2008 09:47:46 am Joao Barros wrote:

On Sat, Nov 1, 2008 at 7:17 PM, John Nielsen <lists@xxxxxxxxxxxx> wrote:

There are patches available to allow [booting from ZFS]...

Can you point out those patches? Thx

I may have mis-spoken. I believe it is being worked on but I don't have
any pointers to specific code.

What I had in mind was http://wiki.freebsd.org/ZFSOnRoot, which allows
the
root partition to be on ZFS but still requires a small UFS /boot.

Yes, there is an item in the wiki for zfsboot with a big finger
pointing at Doug Rabson (cc'd) but I don't know the status of the
task.
I was using the /boot on small ufs partition method to boot my raidz
but upgraded my machine and added a 1TB disk to the mix. I'll be
booting from a usb pen with root on zfs.
As soon as zfsboot works I'll ditch the usb pen.

Doug, can you provide some status update on zfsboot? Do you need help
on something?

I implemented zfsboot for simple disks and mirrors and also collections of
simple disks and/or mirrors. This work is in pjd's perforce tree and will
end up in current when that tree is ready to commit. If I manage to find
some spare time before then, I hope to add raidz and raidz2 support to it.
The key problem here as in so many other things is lack of time :(


I'd like to start by saying "Thank you!" for your work on zfsboot :-)

Actually zfsboot is available'ish in the zfs patch (see freebsd-fs@)
Pawel made available some months ago.
I didn't try it because my old machine wouldn't boot CURRENT with a
Promise (regression). My new machine runs CURRENT just fine but from
the feedback on the zfs patch thread the patch doesn't apply to a
recent CURRENT.
I took a peek at Pawel's commits at perforce and he seems busy so
we'll just have to wait for a new patch :-)


--
Joao Barros
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