Comment 10 for bug 259145

> Because they might change after a reboot?
> We *explicitly* support people doing that.

Dropping to a rescue shell is the support if a new raid set up with another (rescue) system comes up degraded upon reboot. But I don't see why supporting that should prevent a proper raid setup. One that will --run unchanged arrays that come up degraded on reboot and are needed for a clean boot.