On Wed, Nov 21, 2007 at 08:02:42PM +0100, Peter Mueller wrote: > I think 1 and 2 at the same time is no problem. But what happes when 1 and > 3 runs > at the same time. Is the copy ok or corrupt? I guess it depends on the underlying filesystem and how it handles transactions. I'm still pretty sure you should be okay. I'll ask our local fs expert ;)