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BTRFS subvolume for adding a new device.

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Original Post
September 2, 2026 1:37 PM

Hi,

Does anybody know the correct subvolume to use when adding another device to my main BTRFS drive that RakuOS is installed to.

Normally I type e.g. 'device add /dev/nvme0n1p1 /' with / being root, sometime it's /root but that usually extends the whole device, but RakuOS has around 6 different subvolumes and none are seeming the obvious one for me to select?

Cheers,

Xeneye.

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September 4, 2026 12:52 PM

Figured it out, it’s /sysroot that’s used.

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September 7, 2026 4:56 AM

Glad to hear!

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