On Tue, 2008-03-25 at 15:29 +0100, Paul Slootman wrote:
> On Tue 25 Mar 2008, Chris G wrote:
> > On Tue, Mar 25, 2008 at 02:32:34PM +0100, Paul Slootman wrote:
> > > On Tue 25 Mar 2008, Chris G wrote:
> > > > >
> > > > > BTW, is there a reason why you're doing -r and not -a ?
> > > > >
> > > > I don't want some of the options that -a gives me, in particular not
> > > > the -D and -l.
> > >
> > > That's what the -no-* things are for. You could use -a -no-D -no-l
> > >

> > Maybe, but it's simpler just to put -r, does all I want! :-)

>
> Well, it'll transfer your files, but it will read and checksum every
> file each time you run the rsync command, instead of being able to skip
> files that are unchanged. It can't see which files are unchanged as
> you're not setting mtime, perms, user/group ownerships. Hence it's much
> more efficient in the long run to use at least the -tpgo options.


Only mtime is used in the decision of whether a file needs to be
transferred, so -t is enough. I personally find it clearer to list the
things I do want preserved rather than pass -a and subtract the things I
don't want preserved.

Matt

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