Neil Brown wrote: > When writing to the array, the new parity block will sometimes be > calculated assuming that it was previously correct. If all updates to > a particular parity block are of this sort, then it will still be > incorrect when you lose a drive, and data recovered based on that > parity block will be incorrect. > > Until you lose a drive, it will have no visible effect. There is a slight chance that this happened to me recently - would a echo check > /sys/block/mdX/md/sync_action detect this? and would echo repair > /sys/block/mdX/md/sync_action fix it? David -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
