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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

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I installed a new, bigger SSD and cloned the old one, LUKS partition is still old size (lemmy.ml)

submitted 1 year ago by NateNate60@lemmy.ml to c/linux@lemmy.ml

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Here's what I did: I bought a new 512 GB SSD to replace my old 256 GB SSD, which was getting full. I put the new SSD in an NVME to USB adapter and then booted to a Fedora 38 live USB and cloned the old drive into the new drive using dd if=/dev/nvme0n1 of=/dev/sda. Then I used gparted to expand the LUKS partition to cover the rest of the disk. I did not have to unlock the encryption for this. After that, I powered off, removed the 256 GB SSD and installed the 512 GB SSD, then booted normally. I did not erase either of the SSDs.

Now when I get into Fedora 38, GNOME Disks reports that /dev/mapper/luks-5e5f911c... is a 511 GB ext4 partition with 80 GB free, and /dev/nvme0n1p3 is a 511 GB LUKSv2 partition, but when I run df, this is what I see:

nate@redgate:~$ df / -h
Filesystem                    Size  Used Avail Use% Mounted on
/dev/mapper/luks-5e5f911c...  233G  159G   63G  72% /

What did I do wrong?

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[–] dataprolet@lemmy.dbzer0.com 2 points 1 year ago (1 children)

Why not encrypting the new SSD and rsync'ing the content from one drive to the other? Would be easier and safer.

[–] NateNate60@lemmy.ml 1 points 1 year ago (1 children)

I wasn't aware that rsync also copied system files. I'm curious to know why my method is unsafe. The only potential problem I see with what I did is mixing up if and of in dd.

[–] dataprolet@lemmy.dbzer0.com 1 points 1 year ago (1 children)

Safe/unsafe might be the wrong word, but rsync is resumable and also copies permissions for example. dd is more like the brute force method of data transfer.

[–] NateNate60@lemmy.ml 1 points 1 year ago

Pause and resume are nice but dd also gives you the permissions. It copies everything, byte for byte, hence why it's a "low-level copy"