Have you tried using rsync with: --size-only ignore mod time for quick check (use size)
O. On Fri, 2005-06-10 at 10:37 -0700, Andrew Morgan wrote: > On Thu, 9 Jun 2005, James Treleaven wrote: > > > The best idea I have seen is two rsync's: the first while the server is > > running and the second (much faster one) with it momentarily stopped. > > Unfortunately, even rsync can take a very long time. I'm preparing to > migrate to a new Cyrus server and I plan to use rsync. I've been doing > daily rsyncs of the mail spool in preparation for the final rsync while > the old server is stopped. We have about 375GB of mail in 6 million+ > files, and the rsync process takes about 6 hours. It's not the size of > the data (although the initial rsync did take considerably longer). Just > calculating the differences for that many files is a lot of work. :) > > Andy > --- > Cyrus Home Page: http://asg.web.cmu.edu/cyrus > Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu > List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html -- Ondrej Sury <[EMAIL PROTECTED]> --- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html