thank you
i just reboot to see the status of all my disk
and i saw that all the superblock didn't say the same thing
so i did :
mdadm --stop /dev/md0
mdadm --assemble --force /dev/md0 /dev/sd[bcd]1
and now it's perfectly working
thanks
i'm currently looking for how to do a good monitoring
On Tue, Dec 25, 2012 at 9:15 PM, Phil Turmel <philip@xxxxxxxxxx> wrote:
> On 12/25/2012 07:16 PM, bobzer wrote:
>> thanks to help me
>
> No problem, but please *don't* top-post, and *do* trim replies. Also,
> use reply-to-all on kernel.org mailing lists.
>
>> root@debian:~# mdadm -E /dev/sd[bcd]1
>> /dev/sdb1:
>> Magic : a92b4efc
>> Version : 1.2
>> Feature Map : 0x0
>> Array UUID : bf3c605b:9699aa55:d45119a2:7ba58d56
>> Name : debian:0 (local to host debian)
>> Creation Time : Sun Mar 4 22:49:14 2012
>> Raid Level : raid5
>> Raid Devices : 3
>>
>> Avail Dev Size : 3907021954 (1863.01 GiB 2000.40 GB)
>> Array Size : 7814043136 (3726.03 GiB 4000.79 GB)
>> Used Dev Size : 3907021568 (1863.01 GiB 2000.40 GB)
>> Data Offset : 2048 sectors
>> Super Offset : 8 sectors
>> State : clean
>> Device UUID : 5e71f69a:a78b0cd7:bbbb7ecb:cf81f9f6
>>
>> Update Time : Tue Dec 25 06:25:02 2012
>> Bad Block Log : 512 entries available at offset 2032 sectors
>> Checksum : 922ddaa8 - correct
>> Events : 413
>>
>> Layout : left-symmetric
>> Chunk Size : 128K
>>
>> Device Role : Active device 0
>> Array State : A.. ('A' == active, '.' == missing)
>> mdadm: No md superblock detected on /dev/sdc1.
>> mdadm: No md superblock detected on /dev/sdd1.
>
> This is bad. The two disks are still offline. You must find and fix
> the hardware problem that is keeping these two disks from communicating.
> Unless the two disks suffered a simultaneous power surge, the odds they
> are OK is good. But look at your cables, controller, or power supply.
>
>> I would like to understand too
>> dmesg (with the begin removed) show a lot of error :
>> http://pastebin.com/D1D8AKF9
>
> I browsed it: all attempts to communicate with those two drives failed.
> That must be fixed first. Then we can help you recover the data. If
> you can plug the three drives into another machine, that would be the
> simplest way to isolate the problem.
>
> HTH,
>
> Phil
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