[geeks] recommended dual channel LVD controller, PC

[Phil Stracchino]

On Sat, Jul 24, 2004 at 03:08:30PM -0400, Andrew Weiss wrote:
> On Jul 23, 2004, at 3:12 PM, Phil Stracchino wrote:
> >This is 1+0 (mirrored, then striped):
> >
> >{ [0 1] [2 3] [4 5] [6 7] [8 9] [a b] [c d] [e f] }
> >
> >If one disk fails, one subunit will lose its mirror, but the array now
> >looks like this:
> >
> >{ [_ 1] [2 3] [4 5] [6 7] [8 9] [a b] [c d] [e f] }
> >
> 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 could do 5+0, and this is indeed sometimes used.


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