Re: ZFS: i/o error - all block copies unavailable after upgradin

On Thu, 1 Sep 2011 22:36:46 +0200
Sebastian Chmielewski <chmiels@o2.pl> wrote:

> after rebooting I've got following error message from boot loader:
> 
> ZFS: i/o error - all block copies unavailable
> 
I'm very puzzled with this, in theory 'make installkernel' shouldn't break boot
process at this stage as loader was not changed.
I've created my setup using instructions from official wiki:
http://wiki.freebsd.org/RootOnZFS/GPTZFSBoot
(using 8kB sector size) and patched ZFS loader from http://people.freebsd.org/~pjd/zfsboot/.
OS version was stable/8, upgraded later to -CURRENT with KMS patches.

I've run multiple upgrades from source since then (from revisions 223687 to 224522) 
and never got any problems until now.

best regards,
-- 
Sebastian Chmielewski * jid:chmielsster@gmail.com * gg:3336919 * icq:224161389
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