JD Austin wrote:
> As far as I know you cannot preserve write permissions writing to a DVD
> unless you pack those permissions within an archive format that can
> store them. It's not a writable media.
Write, I mean correct. :)
So why use a DVD at all? Seems like a waste to me.
> Unless you're transferring terabytes of changes rsync works well across
> the internet to keep files in sync. Get them relatively in sync and
> then let rsync finish the job.
I don't see a reason not to use rsync from the get go. And we're talking
about transferring between 2 computers on a lan, not across the 'net.
> Write to an external drive formatted with a linux file system instead if
> you want to be able to preserve read/write/group permissions without
> archiving the files first.
Why not get rid of the intermediate file entirely? Read from the source
drive, send across the lan, and write to the target drive on the other
computer. All in one shot. No intermediate storage required. Permissions
and attributes preserved (with the proper flags). Even a TB can be
transferred this way across a LAN in a reasonable amount of time.
>
> On Wed, Feb 3, 2010 at 2:30 PM, Eric Shubert <ejs@shubes.net
> <mailto:ejs@shubes.net>> wrote:
>
> I think the objective here is to copy the files directly from one drive
> to the other. No intermediate files or tarball required. ;)
> You could use tar on both sides w/out ever having the tarball directly
> on a disk by piping it through ssh. I think rsync's the best solution
> though, given that he only wants to transfer files that have changed.
>
> JD Austin wrote:
> > Instead of writing all of the files to the disk make a tar ball and
> > write that to the disk.
> > tar zcpvf tarball.tar.gz /sourcedir
> >
> > On Wed, Feb 3, 2010 at 1:55 PM, Eric Shubert <ejs@shubes.net
> <mailto:ejs@shubes.net>
> > <mailto:ejs@shubes.net <mailto:ejs@shubes.net>>> wrote:
> >
> > joe@actionline.com <mailto:joe@actionline.com>
> <mailto:joe@actionline.com <mailto:joe@actionline.com>> wrote:
> > > What is the procedure and syntax to 'rsync' all of a
> specific set of
> > > directories and files from one computer to another that are on
> > the same
> > > network?
> > >
> > > I have been burning DVDs on one computer and copying those
> files
> > onto my
> > > other computer(s), but when I download all those files, the
> > permissions
> > > are all changed to be non-writeable files and directories.
> > >
> > > -r--r--r-- 1 root root 9598 Feb 2 15:18 filenames
> > > dr-xr-xr-x 5 root root 6144 Feb 2 21:06 directory-names
> >
> > The files are not writable on the DVD, so when the DVD is
> copied to the
> > HD, they remain not writable.
> >
> > > Is there some way to globally fix that?
> >
> > The chmod command has an -R option. Otherwise, normal file
> name pattern
> > matching applies.
> >
> > > Or would 'rsync' be a better solution?
> > >
> > > I've never used 'rsync' and after reading the 'man' pages,
> I'm still
> > > confused.
> >
> > There are examples in the rsync man page. What specifically
> do you not
> > understand?
> >
> > We can't really give you the command you'd need to use
> without knowing
> > more specifics about the set of directories and machines (ip
> addresses?)
> > you're dealing with.
> >
> > > Is there a way to do this to preserve the file dates
> >
> > There is a -p flag for the cp and scp commands which does this.
> >
> > > and only copy those
> > > files that are newer (have more recent dates) onto the
> target system?
> >
> > You'll need to use rsync for this part.
> >
> > --
> > -Eric 'shubes'
> >
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> >
>
>
> --
> -Eric 'shubes'
>
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