On 3/18/2012 2:35 PM, Justin Finkelstein wrote:
> Hi all
>
> I've a backup scenario I'm wanting to implement with bacula, but need
> some advice about whether this is a correct, stable approach.
>
> The scenario is this: our office want an off-site backup, preferably
> using bacula as we're used to it. Due to the slow nature of our
> office's ADSL link, we want to do this:
>
> 1. We set up a box with a RAID5 array to store backed-up data
> 2. Do one full backup of all of our data (about 1TB) before taking
> the machine off-site
> 3. Do monthly full backups of the data, with daily differential
> backups (rather than incremental) to make restoration reasonably quick
> (daily backups amount to ~50MB max)
>
> Having talked to someone on the #bacula IRC channel, they've suggested
> we start with a Base backup type, so my strategy would be this:
>
> 1. Create a Base backup with the machine on-site
> 2. Configure monthly Full backups based on the base, to run off-site
> 3. Configure daily differentials as per normal
> 4. Set up bacula-fd to encrypt all data submitted as per
> instructions online
> 5. Set up SSH tunnels into the office to run bacula over
>
> Does this sound reasonably sensible?
Consider using virtual full backups instead of normal full backups.
Virtual full jobs take the previous base+full+diff+incremental jobs and
merge them into a single full job. A virtual full requires no
interaction at all with the client, so is a good match for backup over a
slow link. You might also consider using daily incremental backups,
rather than daily differential backups, since that would also cut down
on FD to SD transfers.
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