On Sat, Nov 28, 2009 at 04:15:28PM +0100, John Hendrikx wrote:
quoted text
> I was wondering if there is support for a raid level where one can 
> choose the redundancy level.  Raid 5 allows for one redundant drive, 
> Raid 6 for two, but there's no raid level that would support arbitrary 
> redundancy (even to the point of allowing one to add extra redundancy 
> later on, by simply putting spare drives to immediate use).
> 
> I'm just a casual Software Raid user, and have been using Raid 6 for a 
> small 8 TB array for a few years now and I realize that there's quite 
> some CPU overhead involved for such redundancy, but for my purposes 
> speed is not a relevant concern (10 MB/sec is enough).

Actually you can choose the number of copies in raid10, via the -n
option. 

Best regards
keld
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