On 07/01/2011 01:54, Rory Campbell-Lange wrote:
> On 06/01/11, lance raymond (lance.raymond AT gmail DOT com) wrote:
>> I have around 1T of storage compressed (numerous servers, websites,
>> database, etc.) and around 1 1/2T to store so I can't do a live copy of the
>> files nor can I keep more than 1 full copy. The old backup system is not in
>> good condition and I would like to have the following
> First of all this is a bit confusing. Are you saying you have 1TB of
> data to store and 1.5TB to store it in on the backup server?
>
>> Initial image of key folders per server, then nightly incremental updates.
>> You just can't do that with basic tools, so can bacula from a central box
>> go out nightly, and update in that way (I did say it was a high level).
>
Well, I think the best thing for you to do, will be to get bacula up and
working with a test server, and a test client, make the client something
easy, like a VM of a basic linux instance. Then learn about schedules,
and files sets. Then identify all your critical files, and have them in
one backup set, as aggressive as you like, so at least you have your own
piece of mind.
I'm assuming that your going to use a disk based backend. Run a complete
full of each client in question, run incremental every day for a week,
then run a differential. That would give you a basic idea of how much
space you should need, because at the very least in your backup set you
must have 1 full, and either all the incremental up to present, or 1
full, 1 diff, and all the incremental after that diff - in order to get
back to a specific point in time.
This is just a start, to be honest, backup policies are only as good as
the people who carry them out - so you'll also have to test restoring
the backups you do make. Once you have a configuration that works, nuke
you bacula DB (there have been posts very recently on the list in this
regard), and leave your backups in the hands of bacula, knowing that
what works on paper, also works in the real world.
note: Once you nuke the bacula DB, you'll have to manually run a full
backup, at least so that you get that nice glowing feeling that your
data is secure again. (and so that you don't get hit by Sods Law)
Just my babblings, hope it helps.
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