ZFS problems

Glen Barber gjb at FreeBSD.org
Wed Feb 27 23:06:04 UTC 2013

On Wed, Feb 27, 2013 at 02:59:16PM -0800, sean bruno wrote:
> Yup, totally hit this today and was yelling at various people about it.
> the Kernel and the ZFS tools in userland need to be updated at the same time.
> Boot back into the old kernel and (cd /usr/src/cddl && make install)
> to update the tools to a compatible version.

To make sure you are loading the _old_ zfs/opensolaris modules, this
should work at the loader prompt:

    unload /boot/kernel/zfs.ko
    unload /boot/kernel/opensolaris.ko
    unload /boot/kernel/kernel
    set kernelname=/boot/kernel.old/kernel
    set module_path=/boot/kernel.old
    boot kernel.old


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