Re: Seeing the dreaded "ZFS: i/o error - all block copies unavailable" on 9.0-CURRENT

Chris, 
	One other thing I just thought of...  

	On all my machines, I have never used the /dev/gpt/ device.. I have 
always used the absolute name  /dev/ada0p3, etc..

Peg


On Wednesday 17 February 2010 18:45:47 Chris wrote:
> Pegasus,
> 
> Thanks for the tip. I'll give it a shot. If it is the case, then the
> RootOnZFS wiki guides need to be updated to account for that. They all
> currently say to use vfs.root.mountfrom="zfs:zroot" in loader.conf
> 
> Thanks,
> Chris
> 
> On Wed, Feb 17, 2010 at 1:40 PM, Pegasus Mc Cleaft <ken_at_mthelicon.com> 
wrote:
> > Hello Chris, Scott & Current
> >
> >        I use gptzfsboot on my AMD64 (current) machine all the time and
> > also on my laptop. I am not sure if this will cause the problem you are
> > seeing but I know I ran into a lot of trouble depending on what type of
> > pool I was creating.
> >
> >        I believe this is correct, and if I am not than I apologise in
> > advance, but....
> >
> >        If you are trying to boot off a linear type pool (A single disk or
> > a mirror) your bootable filing system has to be a zfs filing system
> > beneath the root pool (IE: zroot/boot). If you are trying to boot off a
> > zraid pool, your bootable filing system must be the root filing system of
> > the pool (IE: zroot)
> >
> >        You must also include the appropriate declaration in the
> > /boot/loader.conf file:
> >
> > (for a zraid pool)
> > zfs_load="YES"
> > vfs.root.mountfrom="zfs:zpool"
> >
> > (for a linear type)
> > zfs_load="YES"
> > vfs.root.mountfrom="zfs:zpool/root"
> >
> >        If I try any other method, zboot explodes in a myriad of different
> > ways.
> >
> > I hope this helps
> > Peg
> >
> > On Wednesday 17 February 2010 02:49:56 Chris wrote:
> >> Scot,
> >>
> >> I did, as part of step 7 in section 1:
> >>
> >> 7. Create ZFS Pool zroot
> >>
> >>  Fixit# mkdir /boot/zfs
> >>  Fixit# zpool create zroot /dev/gpt/disk0
> >>  Fixit# zpool set bootfs=zroot zroot
> 
> _______________________________________________
> freebsd-current_at_freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"
>