Comment 13 for bug 833891

Quoting Kees Cook (<email address hidden>):
> On Fri, Sep 23, 2011 at 11:23:33PM -0000, Serge Hallyn wrote:
> > Does that make any sense? It might mess up the use off watershed
> > though.
>
> watershed is there to keep multiple invocations of effectively the same
> event in check. For example, each time a pv appears, we attempt to activate
> all VGs. But if all the drives suddenly appear at once, we only need
> to attempt the activation once. (See the extensive comments at the start of
> watershed.c in the watershed package.)
>
> It might be interesting to see if races are solved (or introduced) by
> having watershed itself offer a "daemonize" option to put itself in the
> background and immediately return to the caller (udev). This may solve it.

I'll try that out second, but

> On the other hand, perhaps the solution is to fix up the udev rule to only
> apply to PVs, and nothing else, as it certainly wasn't designed to run when
> creating an LV.

Ah, thanks, I didn't realize that. I can try that out.

thanks,
-serge