Unable to mount second hard drive

I seem to have somehow made my 2nd hard drive not able to boot. I have re formatted the drive but the mount option is grayed out. For some reason the time shift program is able to write to it.
Is there some way I can access to the drive?

:+1: Welcome to Manjaro! :+1:

boot on USB iso manjaro
and provide

inxi  -Fza
test -d /sys/firmware/efi && echo efi || echo bios
sudo efibootmgr -v
sudo parted -l 
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… another train of thought - since you said that:

I’d think that that is only possible when the drive is already mounted.
Somewhere, to some location.
I don’t use timeshift but there is probably a default location …

I’d check with



lsblk -lf

where the device is, what it’s name is, what filesystem is on it and whether it is indeed already mounted.