0 - fs configuration
1 - boot hardware config
2 - running config (deltas from 0)
-3 - web config (contains only deltas from 0).
\ No newline at end of file
+3 - web config (contains only deltas from 0).
+
+web config writes directly to 3 and messages cbrwrd about stuff.
+
+config layout is like this:
+