Bug#336789: mdadm: Raid 10 device doesnt come up at boot

[Dennis Haney]

Package: mdadm
Version: 1.9.0-4
Severity: important

A raid 0 device on two raid 1 devices doesnt get started automatically for some reason.

In my case, its md4 below I have to manually start each reboot

md4 : active raid0 md1[0] md3[1]
      60284160 blocks 64k chunks

md3 : active raid1 hde2[0] hdg2[1]
      30142144 blocks [2/2] [UU]

md1 : active raid1 hda2[0] hdd2[1]
      30142144 blocks [2/2] [UU]


$ mdadm -E /dev/md[13]
/dev/md1:
          Magic : a92b4efc
        Version : 00.90.00
           UUID : 4dbefd3e:46937d39:387cd7ae:9196db86
  Creation Time : Thu Aug 28 16:29:08 2003
     Raid Level : raid0
    Device Size : 30142080 (28.75 GiB 30.87 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 4

    Update Time : Fri Dec 17 16:07:11 2004
          State : active
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0
       Checksum : 8a6f73a8 - correct
         Events : 0.18

     Chunk Size : 64K

      Number   Major   Minor   RaidDevice State
this     0       9        1        0      active sync   /dev/md1

   0     0       9        1        0      active sync   /dev/md1
   1     1       9        3        1      active sync   /dev/md3
/dev/md3:
          Magic : a92b4efc
        Version : 00.90.00
           UUID : 4dbefd3e:46937d39:387cd7ae:9196db86
  Creation Time : Thu Aug 28 16:29:08 2003
     Raid Level : raid0
    Device Size : 30142080 (28.75 GiB 30.87 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 4

    Update Time : Fri Dec 17 16:07:11 2004
          State : active
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0
       Checksum : 8a6f73ac - correct
         Events : 0.18

     Chunk Size : 64K

      Number   Major   Minor   RaidDevice State
this     1       9        3        1      active sync   /dev/md3

   0     0       9        1        0      active sync   /dev/md1
   1     1       9        3        1      active sync   /dev/md3





-- System Information:
Debian Release: 3.1
  APT prefers testing
  APT policy: (99, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.11-1-686
Locale: LANG=da_DK, LC_CTYPE=da_DK (charmap=ISO-8859-1)

Versions of packages mdadm depends on:
ii  debconf                     1.4.30.13    Debian configuration management sy
ii  libc6                       2.3.2.ds1-22 GNU C Library: Shared libraries an
ii  makedev                     2.3.1-77     creates device files in /dev

-- debconf information:
* mdadm/autostart: true
* mdadm/mail_to: root at kultunaut.dk
* mdadm/warning:
* mdadm/start_daemon: true