On Mon, Nov 4, 2013 at 10:08 PM, François Patte
<francois.pa...@mi.parisdescartes.fr> wrote:
> Le 04/11/2013 19:01, Tom H a écrit :
>> On Mon, Nov 4, 2013 at 10:57 AM, François Patte
>> <francois.pa...@mi.parisdescartes.fr> wrote:
>>> Le 04/11/2013 11:28, Holger Stein a écrit :
>>>> Am 04.11.2013 09:28, schrieb François Patte:
>>>>> I have these messages from mdadm:
>>>>>
>>>>> mdadm: cannot open /dev/md/4: No such file or directory
>>>>> /dev/md/4 :
>>>>> mdadm: cannot open /dev/md/5: No such file or directory
>>>>> /dev/md/5 :
>>>>>
>>>>> Of course I haven't these directories, I have /dev/md[0-5] instead. Why
>>>>> does mdadm is searching there directories and how can I get rid of this
>>>>> message?
>>>>
>>>> under /dev/md/* are symlinks to /dev/md*. Do you have a folder /dev/md/?
>>>> What says mdadm --detail --scan & mdadm --examine --scan
>>> /dev/md/ is empty
>>>
>>> mdadm --detail --scan
>>> ARRAY /dev/md0 metadata=0.90 UUID=beab96c1:465bb223:6b8acb57:6d51b072
>>> ARRAY /dev/md1 metadata=0.90 UUID=2e8294de:9b0d8d96:680a5413:2aac5c13
>>> ARRAY /dev/md2 metadata=0.90 UUID=eb8b5efe:5a8f9369:e940a0f3:83d63ad1
>>> ARRAY /dev/md3 metadata=0.90 UUID=95c11201:1509169a:860a8b84:c49f865c
>>> ARRAY /dev/md4 metadata=1.2 name=dipankar:4
>>> UUID=4a28174a:f38b4938:233f85f7:6ce585a8
>>> ARRAY /dev/md5 metadata=1.2 name=dipankar:5
>>> UUID=5240f249:7feb6832:6682805f:97c4abea
>>>
>>> mdadm --examine --scan
>>> ARRAY /dev/md2 UUID=eb8b5efe:5a8f9369:e940a0f3:83d63ad1
>>> ARRAY /dev/md3 UUID=95c11201:1509169a:860a8b84:c49f865c
>>> ARRAY /dev/md0 UUID=beab96c1:465bb223:6b8acb57:6d51b072
>>> ARRAY /dev/md1 UUID=2e8294de:9b0d8d96:680a5413:2aac5c13
>>> ARRAY /dev/md/4 metadata=1.2 UUID=4a28174a:f38b4938:233f85f7:6ce585a8
>>> name=dipankar:4
>>> ARRAY /dev/md/5 metadata=1.2 UUID=5240f249:7feb6832:6682805f:97c4abea
>>> name=dipankar:5
>>
>> So the partitions in the v1.2 arrays refer to "/dev/md/X"...
>>
>> Do you have "/lib/udev/rules.d/64-md-raid-rules" on your system
>
> No! I have:
>
> /lib/udev/rules.d/63-md-raid-arrays.rules
>
> and
>
> /lib/udev/rules.d/64-md-raid-assembly.rules
That's OK. It's "63..." that creates the udev stuff.
>> and in
>> your initramfs?
>
> I don't know how to check this.
lsinitramfs /boot/initrd... | grep ...
>> Do you have any symlinks in "/dev/disk/{by-id,by-uuid}/" to your md devices?
>
> In /dev/disk/by-id:
>
> md-name-dipankar:4 -> ../../md4
> md-name-dipankar:5 -> ../../md5
> md-uuid-2e8294de:9b0d8d96:680a5413:2aac5c13 -> ../../md1
> md-uuid-4a28174a:f38b4938:233f85f7:6ce585a8 -> ../../md4
> md-uuid-5240f249:7feb6832:6682805f:97c4abea -> ../../md5
> md-uuid-95c11201:1509169a:860a8b84:c49f865c -> ../../md3
> md-uuid-beab96c1:465bb223:6b8acb57:6d51b072 -> ../../md0
> md-uuid-eb8b5efe:5a8f9369:e940a0f3:83d63ad1 -> ../../md2
>
> In /dev/disk/by-uuid
>
> 17e0b155-4d77-4769-b568-723329c5f656 -> ../../md2
> c13cc2f9-0fb7-4d2e-b720-129c62541e81 -> ../../md0
Strange. It's "63..." that creates these symlinks as well as the
"/dev/md/X" ones.
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