timestamp question

Mark Watts m.watts at eris.qinetiq.com
Fri Nov 12 10:31:52 GMT 2004

Hash: SHA1

> On Fri 12 Nov 2004, Mark Watts wrote:
> > Server D is mirroring Server B.
> >
> > We'd like to change Server D to be mirroring Server C instead.
> >
> > Previously when I've swapped between servers like this, vast swathes of
> > the archive are deleted and redownloaded (I use -av --delete-after) for
> > no reason other than the timestamp being different.
> If rsync is used with -a, the timestamps _shouldn't_ be different.

I can't guarantee that servers B and C were synching with -av - they're public 
servers I don't have access too.

> > If I use -av -I, will it ignore the timestamps and only go on file size?
> Yes.

Ok I'll try using that

> > The archive in question is a several hundred GB linux distro archive so
> > I'd rather not have to redownload it :)
> Oops...
> I tried to move a local Debian mirror (with daily snapshots that has
> unchanged files hardlinked to the previous day) to a larger system. I
> ran into the problem that the address space was too small for rsync's
> memory requirements (the process grew to 4GB then crashed on out of
> memory). I ended up doing each day separately with a --link-dest
> pointing to the previous day... Only took 5 days :-/



- -- 
Mark Watts
Senior Systems Engineer
QinetiQ Trusted Information Management
Trusted Solutions and Services group
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