In message <[EMAIL PROTECTED]>, "kai ouyang" writes:
>If we add a partition 'da0s1h' to the box, when we excute the g_attach()
>function,
>it will call redo_rank(). My viewpoint is that the 'DEV'(da0s1h) should
>been added between 'Sda0' and 'Mda1'. Based my understanding on
>'redo_rank', this function will change all the 'rank' of the elements on
>the chain, right?
>'ad1', 'ad2' and their branches is irrelevant to 'ad0', why their rank must
>change?
The "rank" number is used to detect loops in the topology.
You may want to browse the slides from my GEOM tutorial at EuroBSDCon:
http://2002.eurobsdcon.org/papers/
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