Hi Piergiorgio, > In RAID-6 (as per raid6check) there is an easy way > to verify where an HDD has incorrect data. > I suspect, for each 2 parity block it should be > possible to find 1 error (and if this is true, then > quad parity is more attractive than triple one). Yes. The theory say that with quad parity is possible to find 2 errors. Or find 1 error when running in degraded mode with 2 missing disks. But yep, the problem is how to do in a fast way. I don't know enough the field to answer this. Ciao, Andrea -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
