Christian Walther wrote:
I don't think that rsync can cope with hardlinks.
yes it can. From the man page:
-H, --hard-links preserve hard links
Slower, but it copes.
Best way to do a "backup" like this is:
tar -clf - / | ( cd /ad2 ; tar -xf - )
Only if you want to copy every shred of data regardless of whether it
changed or not, as was previously noted.
--Alex
PS Backup gets used to mean at least two different things:
1) A single, separate copy of the "data" for which rsync is great.
Read the manpage as it has lots of configuration potential.
2) Effectively a partial transaction history for the data where you
can recover a file as it was, say, a week ago, for which dump and
restore are your friends. There's also a tool in the ports which does
something similar with rsync and separate trees named, I think, by date,
which is great if you have lots of disk space. Or you can use
snapshots, and again there is a tool in the ports whose name eludes me.
cd /usr/ports
make search name=rsync
make search name=snapshot
if you care.
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