Hi, I am having issue with following sequence of steps. 1. Start raid-5 " mdadm -C /dev/md0 -f -z30000000 -c64 -l5 -n3 /dev/sd[a-c] -assume -clean" 2. mkfs.ext3 /dev/md0 3. mount /dev/md0 /mnt/tmpmnt 4. mdadm -a /dev/md0 /dev/sdd (adding a spare disk) 5. mdadm -f /dev/smd0 /dev/sda (fail disk /dev/sda) When I do ls -l /mnt/tmpmnt I am seeing the errors end of the email. --- EXT3-fs error (device md0): ext3_valid_block_bitmap: Invalid block bitmap - block_group = 30, block = 983042 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983055, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983424, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983426, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983428, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983430, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983431, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983433, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983435, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983473, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983475, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983476, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983488, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983489, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983492, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983494, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983496, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983497, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983498, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983499, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983501, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983502, length 1 EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 983503, length 1 ------------ Regards, Marri -- 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