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Beginners Questions • [O/S] Cloning existing Debian install to bigger disk without reinstalling

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So, I currently have Debian Bookworm installed on a Samsung 980 1TB M.2 NVMe SSD. I want to transfer it to a Samsung 990 Pro 4TB SSD, also NVME.

My current partition layout is:
EFI system partition, 256MB
Boot partition, 512MB
Root partition, 100GB
Home partition, 733GB
Swap partition, 4GB
Unallocated space at end of disk, 93GB, which is 10% of the disk's total size. This is for overprovisioning.

It's a pretty simple layout. Nothing fancy like encryption/LUKS/dm-crypt, LVM, btrfs, etc. Just a Debian installed with UEFI boot mode.

I think the best way is to use Clonezilla. But the bigger concern is, will it boot? And how to repair it if it doesnt? My current plan is to make the swap partition bigger, the home partition will take up the lion's share of the disk. I'll probably just make a copy of anything important in the home partition, then use GParted post-clone to make those 2 partitions bigger. Any caveats I need to be aware of?

Statistics: Posted by Enigma83 — 2024-07-22 07:58 — Replies 5 — Views 78



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