Oops

[Wojciech Puchar]

> am setting up gmirror and screwed up my fstab.  When rebooting,
> it complains until I tell it the root device:
> ufs:/dev/mirror/gm0s1a

add

vfs.root.mountfrom="ufs:mirror/gm0s1a"

to /boot/loader.conf


>
> it boots up and dumps me into single user.  When I try to change
> /etc/fstab, it tells me that the parition is mounted read only.

do

mount -uw /dev/gm0s1a /

and then edit