On Tue, Jan 23, 2007 at 04:40:08PM +0000, Antoine Martin wrote:
> Between stop and go the filesystem is still mounted on the guest right?
> If so, you are screwing the filesystems by mounting them on the host: 
> the mount command will run fixups on the (journaled?) filesystem.
> (You could try mounting read-only - but still, bad idea IMO)

with journalled filesystems this is correct, though iirc
there is a way to flush the journal for this type of
application (well, specifically for mounting LVM snapshots
to do backups, but it's semantically the same). but
messing up the filesystem of a running machine shouldn't
cause the effects described -- things should run, or more
accurately fall messily apart, for a while after the
event.

-- 
``It is hard to be pessimistic about an ageing population
  when your main source of employment is singing at funerals.''
  (Reuben Thomas)

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