On Tue, 24 Oct 2006, G. Armour Van Horn wrote:
> I've finally decided that I need to do something about network
> backup. I've been incredibly lucky, but I'm old enough to realize
> that probably won't last forever. Bacula looks like the way to go,
> so I'm diving in.
>
> I picked up a pair of DLT7000 drives off eBay, and went diving in
> the boneyard for parts. It looks like I've got an Adaptec 29160 to
> drive the tape drives and a 36GB hard drive, an Athlon (around
> 2GHz), a half gig of RAM, and a surprisingly clean case big enough
> to hold it all. (Alas, I blew out the power supply during Fedora
> Core 5 installation, larger PS arrives tomorrow for the next try.)
You might take care about the 29160, as that is an LVD controller.
If you bought SCSI/DIFF drives off of ebay they are probably HVD
drives. For that you will need something like an Adaptec 2944 or
3944, or similar.
> I mention this because I didn't find anything related to capacity
> issues on the bacula.org website. I'll want to backup my own stuff
> (two smallish servers, my XP machine, two Macs), my web servers,
> and then I've got some clients who would really enjoy having their
> systems backed up remotely. Is my proposed hardware a laughable
> toy? Or can I really accomplish a fair amount with this, and
> presumably move to a loader when the volume requires it?
I think it should do fine. Bacula does compression and encryption
on the client machines, so the 2 GHz processor for the director
should be plenty, at least in my estimation.
I would very much recommend that you use spooling on the way to
tape, so your 36G drive may not be enough. Drives are cheap enough
now that that should not be a problem though; if it is used only for
spooling and is not part of the archival storage, the reliability of
a spool drive is less critical.
> Also, I'm no expert but I'm under the impression that PostgreSQL
> is the more robust option for a database, and this is definitely a
> case where reliability is more important than speed. Is there a
> significant and specific advantage of PostgreSQL or MySQL in this
> project?
Postgres is much heavier in its requirements in my experience. For
what you are doing I would think that Mysql would be more than
sufficient.
-- Michael
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