Gary Dale wrote: > > # cat /proc/mdstat > Personalities : [raid6] [raid5] [raid4] [raid0] [raid1] [raid10] > md0 : active raid6 sdc1[6] sdd1[5] sdb1[4] > 3907011584 blocks super 1.2 level 6, 8k chunk, algorithm 2 [4/3] > [U_UU] > > md1 : active raid6 sde2[7] sdc2[6] sdd2[5] sdb2[4] > 3907021448 blocks super 1.2 level 6, 4k chunk, algorithm 2 [4/4] > [UUUU] > > However I can't re-add the 4th partition (/dev/sde1) into the array. For > example (just some of the thing's I've tried): > > # mdadm --manage /dev/md0 --add /dev/sde1 --force > mdadm: add new device failed for /dev/sde1 as 7: Invalid argument > mdadm: Cannot read superblock on /dev/sde1 > # mdadm --zero-superblock /dev/sde1 > mdadm: Unrecognised md component device - /dev/sde1
Does cat /proc/partitions show sde1 ? Perhaps the disk has been renamed and you didn't notice. -dsr-
