Still no joy after zeroing the superblock, Mikael. :-(
[EMAIL PROTECTED] ~]# mdadm --examine /dev/hdd2
/dev/hdd2:
Magic : a92b4efc
Version : 00.90.00
UUID : 2e316d9e:20cac82a:2555918e:bb9acc07
Creation Time : Fri Jun 23 22:35:27 2006
Raid Level : raid6
Device Size : 155308288 (148.11 GiB 159.04 GB)
Array Size : 776541440 (740.57 GiB 795.18 GB)
Raid Devices : 7
Total Devices : 6
Preferred Minor : 1
Update Time : Sun Jul 16 09:10:41 2006
State : clean
Active Devices : 6
Working Devices : 6
Failed Devices : 1
Spare Devices : 0
Checksum : 6bdf5797 - correct
Events : 0.1401144
Number Major Minor RaidDevice State
this 2 22 66 -1 sync /dev/hdd2
0 0 3 2 0 active sync /dev/hda2
1 1 22 2 1 active sync /dev/hdc2
2 2 22 66 -1 sync /dev/hdd2
3 3 33 2 3 active sync /dev/hde2
4 4 34 2 4 active sync /dev/hdg2
5 5 8 2 5 active sync /dev/sda2
6 6 8 18 6 active sync /dev/sdb2
[EMAIL PROTECTED] ~]# cat /proc/mdstat
Personalities : [raid6] [raid1]
md0 : active raid1 hda1[0] hdc1[1] hdd1[2](S) hde1[3](S) hdg1[4](S) sda1[5](S)
sdb1[6](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>
[EMAIL PROTECTED] ~]# mdadm --examine /dev/hdd2|grep -i super
[EMAIL PROTECTED] ~]# mdadm --misc --zero-superblock /dev/hdd2
[EMAIL PROTECTED] ~]# cat /proc/mdstat
Personalities : [raid6] [raid1]
md0 : active raid1 hda1[0] hdc1[1] hdd1[2](S) hde1[3](S) hdg1[4](S) sda1[5](S)
sdb1[6](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>
[EMAIL PROTECTED] ~]# mdadm --add /dev/md1 /dev/hdd2
mdadm: add new device failed for /dev/hdd2 as 2: Invalid argument
[EMAIL PROTECTED] ~]# tail -5 /var/log/messages
Jul 16 09:10:42 paul kernel: md: md_import_device returned -22
Jul 16 09:10:42 paul kernel: md: hdd2 has invalid sb, not importing!
Jul 16 09:10:42 paul kernel: md: md_import_device returned -22
Jul 16 10:33:33 paul kernel: md: hdd2 has invalid sb, not importing!
Jul 16 10:33:33 paul kernel: md: md_import_device returned -22
On Sunday 16 July 2006 9:26 am, you wrote:
> On Sun, 16 Jul 2006, Paul Waldo wrote:
>
> The superblock is at the end so you probably didnt clear it. Use "mdadm
> --examine /dev/hdd2" and see what it says. If it does say it has a
> superblock, use "--misc --zero-superblock /dev/hdd2"
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