[sheepdog] [PATCH] new option -i to initialize storage directory

[Dietmar Maurer]

> This looks strange to me. It acts like we need mkfs the directory before run
> the sheep, where as we actually make nothing to it, just create a file lock.
> This extra step might solve some problems (which could be solved by other
> means), but it will cause great inconvenience to all
> users: we have to run sheep with sheep -i for the first time, and for following
> restarting, we don't need it.

BTW, to prevent the problem, you (or chris) suggested to use mklabel to label 
the whole file system. For me that is much more 'inconvenient' (and is also an extra step).

- Dietmar