Can't mountroot from ZFS pool

krad kraduk at
Tue Jan 12 11:16:11 UTC 2010

2010/1/11 Steve Bertrand <steve at>

> All,
> I've successfully upgraded the disks in my ZFS backup server, and can
> import/mount the pool properly.
> However, I designed this box originally so that it mounts / from
> zfs:storage after booting from a USB stick.
> After the upgrade of the disks, I'm stuck at a mountroot prompt when I
> attempt to boot the system with the original USB /boot key.
> Can someone inform me how to find the / filesystem at the mountroot
> prompt? If not, is there *any* way to boot the system normally from
> another medium, and then 'reload' the system with the ZFS / after its
> been mounted so that the system functions as designed (ie. cron works etc)?
> Steve
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did you export the pool at all before rebooting it?

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