RAID-1 as back-up

[Karl Denninger]

On Sat, Jun 04, 2005 at 04:57:52PM -0400, David Magda wrote:
> 
> On Jun 3, 2005, at 18:50, Karl Denninger wrote:
> 
> >As with all backup strategies (absent write-once media in SOME cases) 
> >if the
> >media is PHYSICALLY connected to the machine and it is hacked it is 
> >possible
> >for a hacker to scribble on THAT as well.  This is no more likely, 
> >however,
> 
> Or a voltage spike to fry it (the OP has a UPS, right?). Or if there is 
> some flooding it will scramble things as well.
> 
> Regardless of media you use, make sure there is at least one back up 
> off site. I've heard of some insurance companies not paying out the 
> business continuation payments since there was no off site data (it was 
> a condition in the agreement / contract).

Having an offsite copy is just good common sense.

My point is that there are other ways to do this beyond traditional tape
media, and that a RAID system is a perfectly-viable means of accomplishing
the goal.

-
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