> Of course, for a 4 drive setup there's no reason to use RAID 6 at all (RAID
> 10 will withstand any two drive failure if you only use 4 drives), but
> that's the reasoning. I think the best way to deal with the read-modify
> write problem for RAID 6 is to use a small chunk size and deal with NxN
> chunks as a unit. But YMMV.
RAID10 will _not_ withstand any two-drive fail in a 4-drive scenario. If D1
and D3 fail, you're fscked
D1 D2
D3 D4
-- Roy Sigurd Karlsbakk, DatavaktmesterComputers are like air conditioners. They stop working when you open Windows. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Jun 07 2002 - 22:00:20 EST