OT : Disaster recovery?

[Colocation Colocation]

I've got hardware failures pretty much covered with all the usual spares.
(plus a very decent support contract from a HP reseller located 5 minutes
away from the DC!)

I'm just worried about corruption, or say both disks in my raid dying or
even being hacked! Anything thats going to need a full reinstall. I'm
looking at mondo now, it seems more focused on backups to media under the
assumption you have easy access to the system you are backing up, though it
supports NFS + PXE so i wonder how that might work remotely.

On 26/10/06, Ken A <ka at pacific.net> wrote:
>
>
> Colocation Colocation wrote:
> > So I've just spent the past 3 weeks setting up and tweaking my
> Mailscanner
> > installation. I've done every possible tweak and gone through everything
> > with a magnifying glass and it all looks great.
>
> wait 3 weeks. repeat. :-)
>
> > So now my thoughts turn to backups. How best should i protect my
> > investment?
> > I cannot yet justify a second box for redundancy so if all goes wrong i
> > will
> > need to be able to quickly get my mail server back online.
> >
> > I'm considering taking one of my raid mirrors out and rebuilding the
> array
> > online. That way i will have a spare incase it all goes wrong....
> however
> > there are alot of drawbacks to this.
> >
> > My server is equipped with lights out management so really what i want
> > to do
> > is a "bare metal" type backup, that way if anything does go wrong and i
> > happen to be holiday i will still be able to fix it.
> >
> > Dream Scenario : uh oh for x reason my server has totally died and all
> data
> > is lost. I ssh in, boot off my already connected USB key and reinstall
> the
> > operating system. (or some kind of restore software?) I then pull my
> backup
> > from my ISP's san storage and begin the restore. Two hours later my
> server
> > is back online and serving mail as it should be!
> >
> > Any thoughts? Or am i living in cuckoo land?
> >
>
> That's great as long as it dies from something software related.
> Hardware dies too though. If that happens, on a low budget, your ISP may
> have a relatively inexpensive virtual box loaded with something useful
> that can take over for a while, provided you have backed up all your
> software configs & tweaks, needed src files and have them on your laptop
> while you are sitting on the beach. Don't count on your ISP's backup,
> unless you've tested it a few times and really trust it.
>
> Ken A.
> Pacific.Net
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