Hey, all!
I've been looking at setting up amanda as a backup solution for a fairly
large environment at work and have just stumbled across backuppc. While
I love the design and scheduling methods of amanda, I'm also a big fan
of incremental-only reverse-delta backup methods such as that used by
backuppc, so now I'm wondering...
How big can backuppc reasonably scale?
The environment I'm dealing with includes around 75 various servers
(about 2/3 virtual, 1/3 physical), mostly running Debian, with a few
machines running other linux distros and maybe a dozen Windows
machines. Total data size that we want to maintain backups for is
around 70 TB. Our current backup system is using Tivoli Storage
Manager, a commercial product that uses an incremental-only strategy
similar to backuppc's, and the daily backup volume is running around 750
GB per day, with two database servers providing the majority of that
volume (400 GB/day from one and 150 GB/day from the other).
Is this something that backuppc could reliably handle?
If so, what kind of CPU resources would it require? I've already got a
decent handle on the network requirements from observing the current TSM
backups and can calculate likely disk storage needs, but I have no idea
what to expect the backup server to need in the way of processing power.
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