Date: Sat, 7 Apr 2007 06:58:55 -0500 From: Jim Rees <rees@umich.edu> To: Mike Wolman <mike@nux.co.uk> Cc: freebsd-fs@FreeBSD.org, freebsd-questions@freebsd.org, "R. B. Riddick" <arne_woerner@yahoo.com> Subject: Re: some thoughts about gmirror Message-ID: <20070407115854.GA14402@citi.umich.edu> In-Reply-To: <20070407103057.P20396@nux.eros.office> References: <219395.34786.qm@web30302.mail.mud.yahoo.com> <20070407103057.P20396@nux.eros.office>
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Mike Wolman wrote: if you were keeping track of the blocks which had changed then you do not need to generate this list and simply send over the changed blocks. Unison keeps a list of files at each end and only exchanges block lists for files that have changed. I use it to sync 40GB (10K files) over a 1Mbps link and it's very fast. It also will do two-way sync.
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