zfs discuss - Jan 2010 - Root Mirror - Permission Denied

I have a system that I''m trying to bring up with a mirrored rpool. 
I''m using DarkStar''s ZFS Root Mirror blog post as a guide
(http://darkstar-solaris.blogspot.com/2008/09/zfs-root-mirror.html).

When I get to step 3 I execute:
pfexec prtvtoc /dev/rdsk/c7d0s2 | fmthard -s - /dev/rdsk/c7d1s2

I get:  fmthard:  Cannot open device /dev/rdsk/c7d1s2 - Permission denied

Any ideas as to what i might be doing wrong here?

Thanks, Brian
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On Sun, Jan 17, 2010 at 6:57 PM, Brian Fitzhugh <brian.fitzhugh at
gmail.com>wrote:
> I have a system that I''m trying to bring up with a mirrored rpool.
I''m
> using DarkStar''s ZFS Root Mirror blog post as a guide (
> http://darkstar-solaris.blogspot.com/2008/09/zfs-root-mirror.html).
>
> When I get to step 3 I execute:
> pfexec prtvtoc /dev/rdsk/c7d0s2 | fmthard -s - /dev/rdsk/c7d1s2
>
> I get:  fmthard:  Cannot open device /dev/rdsk/c7d1s2 - Permission denied
>
you need to use a second pfexec after the |
like this:
 pfexec prtvtoc /dev/rdsk/c7d0s2 | pfexec fmthard -s - /dev/rdsk/c7d1s2
>
> Any ideas as to what i might be doing wrong here?
>
> Thanks, Brian
> --
> This message posted from opensolaris.org
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> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
>
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Got an answer emailed to me that said, "you need to use a second pfexec
after the | like this: pfexec prtvtoc /dev/rdsk/c7d0s2 | pfexec fmthard -s -
/dev/rdsk/c7d1s2"

Thanks for the quick response email''er.
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