[ale] Initial RSYNC data validation

[Robert Story]

On Thu, 11 May 2006 08:18:12 -0400 James wrote:
JT> I've got about 500GB of data I need to maintain a sync of across a WAN
JT> connection, and RSYNC seems well suited for what I need to do.  However I
JT> have not been able to figure out how to establish an initial sync without
JT> copying all the data over the first time.
JT> 
JT> There must be a switch I can use to do a data compare on an initial sync
JT> to establish a baseline.

Yes, -c to use checksum instead of size/date.