Error w Clonezilla

Place the post here, fits better.

I saved succesfull the image of sys drive w clonezilla yesterday.

Now I wanted to restore it. Started clonecilla in the web gui of omv .

The data drive where I saved the image is not seen.

I want to shutdown th NAS, but this is not possible from "user@debian" , need to bee root.
How I can become root ?

or

Can I crash the system by switching power off and then normaly start NAS w power on ?
.

THX,

I saved on a data disk bcs one mod recommended.

Why not on a data drive ? Where do you store the image ?

I think I messed up my system bcs I thought it is also possible to restore image also
headless via putty .

What I did : from omv webgui I let grub configer clonzilla to start once, then run clonezilla
and tried to restore. But system drive became not mounted ? ? With next try data drive wasn't
there any more and fabstab dir had disappeared. ? ? ?

I'll try hard shutdown and see what happens.

PS : hard shutdown is not available bcs user@debian active from clonzilla backup install.

Any idea how I can get root rights ?

THX ! ! -- I'm one the air again w omv.

But still have the problem with the graph : System Information --> Perfomance statistics-- > Network Interfaces.

Only this graph is not displayed, see this post: Fl2RAM Plugin - Fstab (/etc/fstab) needs to be changed manually. mandatory ? ?

Is it possible that above error results of my error using f2usb ?