On Wed, 24 Feb 2010 11:12:09 -0500 "Martin K. Petersen" <martin.petersen@xxxxxxxxxx> wrote: > So realistically both disk blocks are wrong and there's a window until > the new, correct block is written. That window will only cause problems > if there is a crash and we'll need to recover. My main concern here is > how big the discrepancy between the disks can get, and whether we'll end > up corrupting the filesystem during recovery because we could > potentially be matching metadata from one disk with journal entries from > another. After a crash, md will only read from one of the devices (the first) until a resync has completed. So there should be no room for more confusion than you would expect on a single device. NeilBrown -- 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
