Re: Backups

On 4/1/06, J. Buck Caldwell <freebsd@xxxxxxxxxxxx> wrote:

Unison is your answer. I've been using it to synchronize the data on 20
branch servers with the big corporate server for backup onto one big
tape drive every night for the last two years. Email me if you need help
setting it up.

ports/net/unison

Brian Doherty wrote:
Firstly let me say that I'm not sure if this is the right list to post
to,
so if I am incorrect I apologise. Also if there is a better list for me
to
post to, please direct me to it.

I have built a redundant freeBSD box for my mail server, and for my
webserver, and am putting the redundant boxes in a different geographic
location. I am looking for a way to backup the relevant data on the
current
mail and webservers to the new redundant boxes every night. I could use
scp
and do a full backup every night but I remember hearing of a piece of
bsd
software that can compare the two file systems and just copy the
changes.
This would dramatically cut down on the traffic across the link between
the
machines.

Is there a tried and trusted method of doing this?

BTW I perform backups at the current site onto tape and will continue to
do
so, I may perform tape backup at the new site too. Is this over kill?

Brian





Unison is good but it does not preserve the setuid/setguid permissions..
So if this is important maybe use rdiff or rsync?
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