On Fri 30 Jun 2006 at 02:53PM, Glen Kriekenbeck wrote:
> I'm working with an ISV who asks:
> We have a kernel module which we need to modify to support non-global
> zones. [This kernel module implements a file system,] and on normal
> shutdowns the unmount will let us know this Zone is no longer using
> the file system.  However, for unexpected shutdowns (crashes) we were
> thinking of creating a kernel thread and registering it be notified
> when a Zone terminates (I read about this someplace).  What is the
> interface for doing this?  Would I create 1 kernel thread on the whole
> machine and have it notify us of any Zone going away, or do we need to
> register with each Zone?  
> Thanks for any pointers to any information (and/or appropriate
> sources)!

There's no such thing as a "zone crash"-- so there is really no
need to do this.  As long as the filesystem is unmountable in
the usual way (i.e. via umount(2)) then the filesystem should work
OK as far as I can recall.


Daniel Price - Solaris Kernel Engineering - [EMAIL PROTECTED] - blogs.sun.com/dp
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