HELP : shutdown in middle of expand/reshape a raid6

Hi, I aded a disk for my red6.

I clicked expand, running shape at 10%

then someone pushed the power button : shutdown

Now after firts restart, hangs on irq6 error

I did a reset :omv web console : my raid 6 array seems dead

Proper restart via GUI, hangs on boot

Help me please

EDIT : after two restart, here it's what i get, should I wait ? :

and after 30 minutes :

Edit 2 : found something here : http://forums.gentoo.org/viewtopic-t-843292.html , very bottom af the page

Edit 3: Though he did a proper shutdown, this thread starts make me crying : http://ubuntuforums.org/showthread.php?t=2012904 Did I lost my 8To ? Really ?

Still stucked this morning at the almost same spot... [720.00xxxx]

I'm crying now....

No, no prompt, should I wait or do a reset?

to scare to do something wrong, I'll wait until soemone can help me....

I couldn't set my keyboard to fr

Here the output :

Tell me everything is ok, please....

Thanks ryecoaaron

Is it normal that it takes so much time ? Could it be one or two days ? (aprox 0,1 % each 2 minutes)

Ok I will run fsck, and yes it was ext4

\noob mode = I boot from an USB key a totally different system, but the raid6 with mdadm is autonomus ? Work by itslef ?

Is it safe to increase the speed ? : dumb question, as if you post something dangerous....

Do I have to reboot after seting this limit ?

Thanks for your explanation and for all your answers alon my posts