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Replace 1 TB m.2 SSD with 2 TB m.2 SSD (lemmy.ml)

submitted 1 year ago by [email protected] to c/[email protected]

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Not specifically Archlinux, but I am using Archlinux on my laptop, so I thought I'll ask here.

I am planing to replace my 1 TB M.2 SSD in my laptop with a 2 TB M.2 SSD, and I am wondering how to clone the whole 1 TB SSD and restore it onto the 2 TB M.2 SSD.

I have read about people using $dd for that, but I never did that. Can anybody confirm that this is possible?

I am running two partitions, one boot and the other one is a crypt device with btrfs + subvolumes inside.

Is there anything I have to consider, before doing this?

Thank you for your time.

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[–] [email protected] 7 points 1 year ago (4 children)

The Arch wiki has some really good info on using dd for cloning. I've done it myself successfully with dd, but double and triple check to make sure your command is correct before continuing. Both drives would need to be connected to the same machine at the same time (new drive in a USB enclosure or in a spare PCIe slot)

https://wiki.archlinux.org/title/Dd#Disk_cloning_and_restore

It might be worthwhile to check out GUI alternatives to dd if you feel more comfortable in a GUI vs terminal:

https://wiki.archlinux.org/title/Disk_cloning

[–] [email protected] 2 points 1 year ago (3 children)

Thank you, would it not be possible to dump the cloned disk into a file? I don't have a second PCIe slot in my laptop... I was hoping to connect an external drive, dump the nvme, replace it, and restore it.

[–] [email protected] 2 points 1 year ago

I've done something like that before with ddrescue though the example on the Arch wiki ddrescue page shows how to copy an entire drive to another drive. Here's how to backup to a file instead:

sudo ddrescue -f -n /dev/sda1 /path/to/backup.hdimage /path/to/backup.mapfile

But I'd reference the docs just to double-check: https://www.gnu.org/software/ddrescue/manual/ddrescue_manual.html

You might need to restore the image via Arch recovery mode with a bootable USB drive loaded with the Arch ISO however.

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