GPT/ZFS/USB mountroot prompt

[Carl Chave]

On Wed, Dec 1, 2010 at 12:07 AM, Carl Chave <carl at chave.us> wrote:
> I followed a gpt/zfs on USB stick guide for putting a base 8.1-RELEASE
> amd64 onto a 4GB sandisk USB memory stick.  All went fairly well and
> the system will boot but fails to mount the root file system and dumps
> me a the mountroot> prompt.  Entering zfs:zrootusb at the prompt works
> and the system finishes booting.
>
> In /boot/loader.conf I've got:
> zfs_load="YES"
> vfs.root.mountfrom="zfs:zrootusb"
>
> zrootusb mountpoint is set to legacy and /etc/fstab exists but is
> empty, per the guide.
>
> Any ideas?
>
> Thanks,
> Carl
>

adding

kern.cam.boot_delay=10000

to /boot/loader.conf seems to have fixed it.