Hi all,
I have a RAID6 array where a disk went bad. I removed the old disk, put in an
identical one, and repartitioned the new disk. I am now trying to add the
new partition to the array, but I get this error:
[root@paul ~]# mdadm --add /dev/md1 /dev/hdd2
mdadm: add new device failed for /dev/hdd2 as 2: Invalid argument
When I perform that command, /var/log/messages says this:
Jul 15 20:48:39 paul kernel: md: hdd2 has invalid sb, not importing!
Jul 15 20:48:39 paul kernel: md: md_import_device returned -22
Below is the relevant data. What might I be doing wrong? Thanks in advance!
Paul
[root@paul ~]# cat /proc/mdstat
Personalities : [raid6] [raid1]
md0 : active raid1 hdd1[6](S) hda1[0] hdc1[1] hde1[2](S) hdg1[3](S) sda1[4](S)
sdb1[5](S)
979840 blocks [2/2] [UU]
md1 : active raid6 sdb2[6] sda2[5] hdg2[4] hde2[3] hdc2[1] hda2[0]
776541440 blocks level 6, 256k chunk, algorithm 2 [7/6] [UU_UUUU]
unused devices: <none>
[root@paul ~]# fdisk -l /dev/hdd
Disk /dev/hdd: 160.0 GB, 160029999616 bytes
255 heads, 63 sectors/track, 19455 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hdd1 1 122 979933+ fd Linux raid autodetect
/dev/hdd2 123 19455 155292322+ fd Linux raid autodetect
[root@paul log]# mdadm --detail /dev/md1
/dev/md1:
Version : 00.90.03
Creation Time : Fri Jun 23 22:35:27 2006
Raid Level : raid6
Array Size : 776541440 (740.57 GiB 795.18 GB)
Device Size : 155308288 (148.11 GiB 159.04 GB)
Raid Devices : 7
Total Devices : 6
Preferred Minor : 1
Persistence : Superblock is persistent
Update Time : Sat Jul 15 20:53:29 2006
State : clean, degraded
Active Devices : 6
Working Devices : 6
Failed Devices : 0
Spare Devices : 0
Chunk Size : 256K
UUID : 2e316d9e:20cac82a:2555918e:bb9acc07
Events : 0.1396384
Number Major Minor RaidDevice State
0 3 2 0 active sync /dev/hda2
1 22 2 1 active sync /dev/hdc2
3157553 0 0 5 removed
3 33 2 3 active sync /dev/hde2
4 34 2 4 active sync /dev/hdg2
5 8 2 5 active sync /dev/sda2
6 8 18 6 active sync /dev/sdb2
[root@paul log]# uname -rv
2.6.17-1.2139_FC5 #1 Fri Jun 23 12:40:16 EDT 2006
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