On Thu, Sep 07, 2006 at 06:31:30PM -0700, Darren Dunham wrote:
> 
> It certainly changes some semantics...
> 
> In a UFS/VxVM world, I still have filesystems referenced in /etc/vfstab.
> I might expect (although have seen counterexamples), that if my VxVM
> group doesn't autoimport, then obviously my filesystems don't mount, and
> that will halt startup until I deal with the problem.  This is often a
> good thing.
> 
> With ZFS and non-legacy mounts, I don't really have a statement that the
> ZFS filesystem /path/to/critical/resource must be mounted at boot time
> other than the configuration of the pool.  I guess I need to make some
> more explicit dependencies for services if I want some of them to
> notice.  (Unfortunately creating/removing dependences takes a bit more
> work than maintaining a vfstab today).

Currently, a faulted pool will not prevent you from coming up (that is,
filesystem/* services will continue to come up).  There are already some
folks thinking about how failed /etc/vfstab mounts should affect boot
(not everyone wants it to fail coming up).  Similar thought should
probably be given to what it means for a faulted pool and/or dataset.

- Eric

--
Eric Schrock, Solaris Kernel Development       http://blogs.sun.com/eschrock
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