Re: imsm raid is always readonly on boot

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Hi Jes,

Am 07.02.2012 17:09, schrieb Jes Sorensen:
/dev/md126 looks to be the container, not the actual raid device, from
what your mdadm.conf says.

booted from a rescue CD using 2.6.32 kernel.

~# mdadm -D --scan
ARRAY /dev/md/imsm0 metadata=imsm UUID=24cdb70d:101f4c4b:23dfa5cb:3f176b6a
ARRAY /dev/md/RaidStefan_0 container=/dev/md/imsm0 member=0 UUID=84aa9982:ed593d80:ee7c7f53:e2944038

~# cat /proc/mdstat
Personalities : [raid1]
md126 : active (auto-read-only) raid1 sda[1] sdb[0]
      156288000 blocks super external:/md127/0 [2/2] [UU]

md127 : inactive sdb[1](S) sda[0](S)
      5544 blocks super external:imsm

unused devices: <none>

so md126 is the real raid.

What does your /proc/mdstat say?

When booted from disk - output while in initramfs:
~# cat /proc/mdstat
Personalities : [raid1]
md126 : active (read-only) raid1 sda[1] sdb[0]
      156288000 blocks super external:/md127/0 [2/2] [UU]

md127 : inactive sdb[1](S) sda[0](S)
      5544 blocks super external:imsm

unused devices: <none>

Stefan
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