On 04/23/2017 04:06 PM, Brad Campbell wrote: > On 23/04/17 17:47, Patrik Dahlström wrote: >> Hello, >> >> Here's the story: >> >> I started with a 5x6 TB raid5 array. I added another 6 TB drive and >> started to grow the array. However, one of my SATA cables were bad and >> the reshape gave me lots of I/O errors. >> >> Instead of fixing the SATA cable issue directly, I shutdown the server >> and swapped places of 2 drives. My reasoning was that putting the new >> drive in a good slot would reduce the I/O errors. Bad move, I know. I >> tried a few commands but was not able to continue the reshape. >> > > Nobody seems to have mentioned the reshape issue. What sort of reshape > were you running? How far into the reshape did it get? Do you have any > logs of the errors (which might at least indicate whereabouts in the > array things were before you pushed it over the edge)? These were the grow commands I ran: mdadm --add /dev/md1 /dev/sdf mdadm --grow --raid-devices=6 /dev/md1 It got to roughly 15-17 % before I decided that the I/O errors were more scary than stopping the reshape. > > > What you'll have is one part of the array in one configuration, the > remaining part in another and no record of where that split begins. Like I said, ~15-17 % into the reshape. > > Regards, > Brad -- 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
