[geeks] recommended dual channel LVD controller, PC

[Phil Stracchino]

On Sun, Jul 25, 2004 at 01:18:44PM +1000, Scott Howard wrote:
> On Sat, Jul 24, 2004 at 03:12:05PM -0400, Phil Stracchino wrote:
> > > So what about RAID 1+5?
> > 
> > 1+5 is somewhat of a meaningless combination.  I can think of no
> > rational reason for doing it.
> 
> You'd be surprised how many people actally mirrored RAID-5 volumes.

Oh, sorry, I brainfarted.  I read "1+5" and thought "0+5".  Doh!!!

> Generally it's done as a combination of two hardware RAID-5 arrays
> mirrored to each other. It gives a good combination of double
> redundancy at the disk level (and having seen double-disk failures
> more than one this isn't a bad thing!) as well as full redundancy of
> the hardware RAID array itself (plus cables/cards/etc).

Yup, that's a good scheme if you can afford the hardware.


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