On Sun, Aug 24, 2014 at 04:45:07PM +1000, NeilBrown wrote: > > > Array Size : 471859200 (450.00 GiB 483.18 GB) > > > Used Dev Size : 309363520 (295.03 GiB 316.79 GB) > > This is a near=2 6 drive RAID10, so Array Size should be 3 times Used Dev > Size. > The fact that it isn't shows that he has already explicitly set the > --array-size to something appropriate. I'm sure he reduced the size of the > filesystem first as the man page says: Yup, it's an LVM PV so I did pvresize and mdadm --array-size first to some safe lower value, before I realised that mdadm would have told me the exact --array-size I needed anyway. I should have mentioned that to reduce confusion, but it didn't seem pertinent to where I got stuck. Cheers, Andy -- 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