move method to the file namespace
add sysctl calls to generate config
Pass force4khack to lower layer.
add a button to start scrub
it doesn't really makes sense to log sysctl -b kern.geom.confxml
Fix typo.
do not pollute log with zpool status check
we don't need to validate the pool on dump time
fix swapgb unbound var
warn the user whether the disk size is lower than configured swap size