backup without stopping the imap server?
lars at adventuras.no
Tue Jun 14 06:52:45 EDT 2005
> Have you tried using rsync with:
> --size-only ignore mod time for quick check (use size)
> 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
>> > 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).
>> calculating the differences for that many files is a lot of work. :)
And uses a lot of memory.
rsync slows down when the job gets bigger.
Try to divide it into smaller segments.
>> 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 <ondrej at sury.org>
> 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
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
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