abuse at cabal.org.uk
Tue Oct 30 13:25:32 GMT 2007
On Tue, Oct 30, 2007 at 12:17:05PM +0000, Aidan Samuel wrote:
> On 10/29/07, Simon Burr <simes at bpfh.net> wrote:
>> As an aside, one of the interview questions I'll often ask people if they
>> put down that they've dealt with RAID is to go into the details between
>> RAID 0+1 and 1+0; its surprising how quickly some candidates can tie
>> themselves up in knots with that one.
> So, er... is there a difference?
Yes. The difference is in which order they are layered onto each other, and
thus the subsequent levels of protection against failure.
On a related note, my favourite RAID-related misconfiguration - assuming I'm
watching from a distance and have some popcorn to hand - is where somebody
has configured a two disk RAID1 mirror with one disk and one hot spare.
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