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Date: Thu, 11 Aug 2011 22:08:30 -0500
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From: Mark Felder <feld@feld.me>
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Subject: upgrade to 9.0-BETA1 with geom_mirror fails
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Hi all,

I was originally running 8.2 on my NAS at home -- later 8-STABLE for ZFS =
=20
=2D- and decided to see how 9.0-BETA1 fairs on it due to seeing some =
changes =20
coming in 9.0 that would be favorable. After installing the kernel and =20
trying to reboot into it I discovered it doesn't like my geom_mirror =
that =20
I use for / and swap. It gives this error:

"geom_mirror integrity check failed"

It can't mount the / device then (/dev/mirror/gm0a) so it asks me to =20
choose a disk to boot from. When listing the disks with ? it shows all =20
physical disks but the only geom device is gm0 -- none of the slices are =
=20
listed.

Any idea how to fix this? If I boot up an 8-STABLE or 8.2R kernel it has =
=20
no issues with my mirror.


Thanks,


Mark