i have a portable asus UX301LA ,i m sorry for my poor english,
I have change ssd ,and now i can't create RAID .
i can't found CTRL-i where i create my raid .
i have looked in bios but is don't have it .
Now i have 2 hard disk ssd without raid .
Is there anyone can help me ???
cheers Omar

1 2 raid 0
2 i can get access with cntr-i but then the ssd original were broken
3 Becouse are broken the original
4 i have found it in the Bios but i can't found it !!!

The problem here is, that he simply does not know how to enter the RAID configuration utility.
If it is a pure UEFI system, try disabling "Fast boot" mode in BIOS. There must be a way to enter the utility.

In UEFI it is integrated in the BIOS under advanced settings (at least on my ASRock board).
If you can enable CSM mode in BIOS, the option ROM will be loaded and displays information and provides
access via CTRL-I.

i have try all
but i can't access via CTRL-I
this is the problem !!
i think that notebook have a configuration very particulary of raid
i can't solve the problem !!

omar

If all fails, try using a linux live CD and manipulate the RAID configuration via mdadm.
>Here< is the man page for mdadm.

Use Ubuntu Live for manipulating the RAID configuration.

I found some more information >here<.

mdadm --create --verbose /dev/md127 --raid-devices=2 /dev/sda /dev/sdb --metadata=imsm
mdadm --create --verbose /dev/md/Vol0 --raid-devices=2 /dev/md127 --level=0
 

The first command creates a new Intel RAID compatible container consisting of the first and second hard disk connected to the system.
The second command creates a RAID-0 array in the container previosly created.

Complete instructions:
Plase replace all devices (/dev/md0, /dev/sda, /dev/sdb,...) with your corresponding ones!
1) Download Ubuntu and burn it to a disc or create a live USB drive.
2) Boot your PC from it.
3) Open a terminal (gnome-terminal) and execute following commands:

sudo apt-get install --no-install-recommends mdadm
sudo mdadm --assemble --scan
 

This should install mdadm and scan for existing raids. Use the detected devices in the next code blocks.

4)

sudo mdadm --stop /dev/md0
sudo mdadm --zero-superblock /dev/sda
sudo mdadm --zero-superblock /dev/sdb
 

This deletes the RAID container and clears the configuration of the first and second HDD/SSD in your system.

5)

mdadm --create /dev/md127 /dev/sd[ab] --raid-devices=2 --metadata=imsm
mdadm --create /dev/md/Vol0 /dev/md127 --raid-devices=2 --level=0
 

I am not responsible for any damage to your data, software or hardware.

EDIT: removed GParted Live as it does only detect the raid, nothing more...

if i wolud like raid 1

Then just replace --level=0 with --level=1

when i try say this error : .....exist but is not md array

Did you forget to specify the device to create (/dev/md127 or /dev/md/Vol0)?
Or do they already exist? Then specify some other devices that don't already exist, like /dev/md128 and /dev/md/Vol1.

For further investigation, please provide the commands you entered and their output.