How to move Linux to a new drive and make it the main one, leaving Windows on the old one, connecting as needed?

Question

linux

I want to ask for advice and links where to go to implement the next idea.

Now I have a SATA SSD (sata) installed, it has Manjaro Linux and Windows 10, Grub. I want to buy a larger NVMe SSD (nvme) and put it as the main drive, while using sata as an external drive (via the sata adapter case).

In order not to reinstall systems, it would be just fine to transfer Manjaro to a new fast nvme (increasing existing partitions by all the difference in size), and leave Windows, which I run much less frequently, on the old sata, growing its partition to the full capacity of sata, now occupied by Manjaro . That is, so that Grub sees both Manjaro and Windows, but at the same time the latter is on an external drive and is optionally connected.

I want to do it right right away (or almost without a tambourine), since in order to start a system with 2 drives, you will have to install nvme immediately as the main one, and already configured sata through an adapter.

It will also be interesting to be able to open Manjraro partitions from under Windows, but this seems to be an easier process.

I'd be happy if someone could help and point me in the right direction. Thank you for your attention!

Answer 1

in a simple case, it will be a new way to mark a new disk and clone Manjaro there

# rsync -aAXHv --exclude={"/dev/*","/proc/*","/sys/*","/tmp/*","/run/*","/mnt/*","/media/*","/lost+found"} / /path/to/backup

see Rsync#Full_system_backup for more details
then edit /etc/fstab and update grub
when the system starts up on the new disk then think about deleting unnecessary things on the old disk

Answer 2

I want to do it right

That's right - decide on the main OS and install it, and run the second one in a virtual machine.

Answer 3

Why such difficulties?
I mean - it's not difficult to roll one system onto one carrier, another onto another, and, if necessary, call the boot menu from the BIOS. Nahiba such extra. conditions?