Re: spare not becoming active

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I got a ghost in my system!

Ok, I'm still having weird issues and as nobody replied, I'm still
unsure how to proceed...
Here, I tried reformating (dd'ed some zeros on the whole drives),
repartitionning them.

  Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1           1         961   83  Linux
/dev/sdb2               2        1015     1005888   fd  Linux raid autodetect

I have 3 identical drives, fresh made, i issue the command:
mdadm --create --verbose /dev/md1 --level=raid5 --raid-devices=3
/dev/sdb2 /dev/sdc2 /dev/sdd2

My system is a new install (nothing left in /etc, etc...), so I really
don't get what's going on, check the output of several programs:

/dev/md1:
       Version : 00.90.03
 Creation Time : Tue Jul  3 16:29:38 2007
    Raid Level : raid5
    Array Size : 2011648 (1964.83 MiB 2059.93 MB)
 Used Dev Size : 1005824 (982.41 MiB 1029.96 MB)
  Raid Devices : 3
 Total Devices : 3
Preferred Minor : 1
   Persistence : Superblock is persistent

   Update Time : Tue Jul  3 16:31:05 2007
         State : clean, degraded, recovering
Active Devices : 2
Working Devices : 3
Failed Devices : 0
 Spare Devices : 1

        Layout : left-symmetric
    Chunk Size : 64K

Rebuild Status : 39% complete

          UUID : 84aa4aaf:8b2c555e:3f9ae70d:2eedd5b3
        Events : 0.4

   Number   Major   Minor   RaidDevice State
      0       8       18        0      active sync   /dev/sdb2
      1       8       34        1      active sync   /dev/sdc2
      3       8       50        2      spare rebuilding   /dev/sdd2
================================================================================
[dev   9,   1] /dev/md1         84AA4AAF.8B2C555E.3F9AE70D.2EEDD5B3 online
[dev   8,  18] /dev/sdb2        84AA4AAF.8B2C555E.3F9AE70D.2EEDD5B3 good
[dev   8,  34] /dev/sdc2        84AA4AAF.8B2C555E.3F9AE70D.2EEDD5B3 good
[dev   ?,   ?] (unknown)        00000000.00000000.00000000.00000000 missing
[dev   8,  50] /dev/sdd2        84AA4AAF.8B2C555E.3F9AE70D.2EEDD5B3 spare
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