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Migrating system to NVME RAID
(lemmy.world)
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this post was submitted on 29 Jul 2024
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As far as I'm aware there's currently no way to setup drives in RAID without wiping both of them.
I also haven't tried encrypting my home/boot drive but normally if I want to make a complete backup of a drive I use Clonezilla. It's saved my bacon many time including recently copying a HDD that was in the process of dying on me.
It might be easiest to just backup your home directory and reinstall Nobara to the drives after you'd set them up in RAID.
If your install is using LVM (which anything installed over a bit more than a decade should be) you can set up the new second drive as a RAID with a missing device, add it as additional PV, use pvmove to move all PEs to the RAID, remove the old PV, and now add that disk to the RAID.
Does that really work for RAID 0? Since RAID 0 is striped (with "zero" redundancy), I wouldn't expect an array with a missing device to work at all. But I can't say I've ever tried.
It should work - possible that it won't let you create a one disk raid 0, but creating a one disk raid 1 and then converting it to a two disk raid 0 should word. It's been years since I played with a pure raid 0 (don't see much sense in them), but managed conversion back then.
On ZFS you can just setup a mirror