Neil Bothwick wrote:
On Thu, 03 Feb 2005 16:52:48 +0000, Steve wrote:
rsync is good at copying your own "user" files to a remote PC - it
offers little or no advantage when simply copying between devices
attached to your local PC.
I disagree. rsync is excellent for keeping a local backup as it only
copies those files that have changed. dd takes for ever so is run rarely,
rsync can be run from /etc/cron.hourly if you wish.
rdiff-backup, as has already been mentioned, is probably better for this,
but it too is based on rsync.
Fair comment... I stand corrected that rsync/rdiff-backup are
appropriate for backup of user files. This issue is an old one of trade
off between being able to make fast backups and being able to recover
quickly. IMHO the dd approach is still valid and useful as it is one of
the few ways to ensure rapid disaster recovery. I agree that an rsync
approach permits more frequent backups to be made for user files. Maybe
a better recommendation would have been a combination of dd to take an
image of the install - then rsync to keep regular copies of user files.
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