Re: imsm raid is always readonly on boot

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Am 07.02.2012 um 18:45 schrieb Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>:

> On 02/07/12 18:42, Stefan Priebe wrote:
>> 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
> 
> Does it stay read-only if you try to write to it?

Yes as it is read-only and not auto-read-only.

Greets and thanks,

Stefan
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