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On Tue, Oct 29, 2002 at 08:43:00PM -0500, George Toft wrote:
> I would try to be smart about what I mirror.  You don't need to copy a
> file that hasn't changed, so I would run find / -ctime -1 to get a list
> of files whose status has changed in the last day, and mirror those.=20
> Next, you have to account for deleted files.  I can think of a few
> ways.  The one I used was running find periodically and using diff to
> see what is missing from the last time I ran it.  Delete those files.  I
> synced 4 servers every 20 minutes this way.  Fortunately, the
> filesystems were small so find didn't kill the system.

What about rsync(1)?  It can work on local filesystems, too.  You might
need a little magic to keep it from trying to sync /mirror or whatever
with itself, but other than that, it shouldn't be a problem.  (Minor
magic like running a for loop over /* and grepping out /mirror, for
example.)

--=20
Bill Jonas    *    bill@billjonas.com    *    http://www.billjonas.com/
"They that can give up  essential  liberty to obtain a little temporary
safety deserve neither liberty nor safety."        -- Benjamin Franklin

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