Re: [Fed-Talk] Re: Backup 3
Re: [Fed-Talk] Re: Backup 3
- Subject: Re: [Fed-Talk] Re: Backup 3
- From: Josh Wisenbaker <email@hidden>
- Date: Tue, 11 Oct 2005 22:55:58 -0400
On Oct 11, 2005, at 6:36 PM, Michael Kluskens wrote:
On Oct 11, 2005, at 4:44 PM, Karan, Cem (Civ, ARL/CISD) wrote:
IIRC rsync will make a FULL copy, meaning that files that don't
change
also get copied over.
For default and reasonable options, rsync makes full copies of only
those files that don't already exist. Files that already exist and
are identical are not copied. If you keep copies you get new
complete copies for any files that changed, I'm not sure if rsync
transfers the deltas to reduce bandwidth but definitely not final
disk space.
rsync can do binary part syncing to cut back on bandwidth. The
longest part of a large sync is generally the checksumming to
determine what should copy.
Unfortunately Tiger rsync is busted in several ways that make it
fairly useless.
Josh
--
Josh Wisenbaker, ACSA
http://www.afp548.com
Breaking my server to save yours.
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