Oops; forgot to reply all...
I set up, for my web server, after a pretty disastrous outage a couple
months ago, a bacula system where, from home, I have a mac laptop open
up a vpn tunnel to the server, and then use that tunnel to back up the
entire server. Not as big a job as it sounds, as it's pretty small
time, but, the tunnel works very well for me. Matter of fact, given the
way I have things set up at home, between firewalls and other fun
things, tunneling (either by ssh or by vpn) was the only way I had to
be able to get my backups easily.
My setup is exceptionally bush league, at the moment:
Virtual private server running vpn and bacula-fd
mac laptop (old g3 pismo) running vpn client and bacula-dir/sd/fd
External USB hard drive (20G).
That
said, it works, and it works well, even with that low level of
equipment. Every night, I get an incremental backup., and I am
comfortable that I can, even if something happened to my fruitbook,
take the hard drive and recover my data at any time. The initial backup
was a couple of gigs; after that, a couple of megs a night comes
across. At this point, I'm now even considering offering that solution
to some folks in my neighborhood who worry about data loss, too.
Eventually, upgrading it to a solution for schools, etc. in the area
seems like a really good idea. The really nice thing being, once you
set it up right, you pretty well can just let it run and let it notify
you of problems that you'll need to fix.
Put a real server-class system together, on a network with real bandwidth, and you have an exceptionally powerful system.
The
inital backup is going to suck up a lot of time and bandwidth. I'd
recommend, while you're doing your planning, that you back up in
groups, to get things started. I.e. get all your local users, first.
Then, once their full backup is done, start the remote users, etc. I
suspect, if you're going to be dealing with that many, you might even
break it down into sectors (local accounting, local graphics guys,
local web guys, etc.).
If you're going to be tweaking the user
filesets a lot, initially, I'd make a suggestion. I recently learned
about the IgnoreFilesetChanges notion, which might come in really handy
for you as you tweak different users' backup filesets - that way, you
don't automatically perform a full backup every time you tweak (you can
still perform that, if you want, but it isn't automatic).
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