On Sat, 30 Sep 2017 12:21:20 -0400 Phil Turmel <philip@xxxxxxxxxx> wrote: > > Ideally what you can hope for, is you would get the bulk of array data intact, > > only with the first 9 KB of each device *(8-2), so about the first 54 KB of > > data on the md array, corrupted and unusable. It is likely the LVM and > > filesystem tools will not recognize anything due to that, so you will need to > > use some data recovery software to look for and save the data. > > > > I agree with Roman. Most of your array should be still on the 8-disk > layout. But you were mounted and had writing processes immediately > after the broken grow, so there's probably other corruption due to > writes on the 9-disk pattern in the 8 disks. Adding one afterthought that I had, you could probably salvage the 54 KB in question by reading them in (and saving to a file) from the current "9-device array of 9KB devices" that you got. With respect, Roman -- 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
