On Sat, 19 Mar 2022 at 16:14, Samuel Sieb <samuel@xxxxxxxx> wrote:
On 3/19/22 05:18, George N. White III wrote:
> Or just letting btrfs create over-sized "virtual partitions" and then
> allocating
> physical space as needed.
btrfs doesn't do that. That's LVM thin-provisioning.
Fresh install of Fedora 35 using default installation in the free space
(after shrinking the OEM Windows partition, leaving a little over 400 GB):
% df -lhT | grep btrfs
/dev/nvme0n1p6 btrfs 405G 89G 316G 22% /
/dev/nvme0n1p6 btrfs 405G 89G 316G 22% /home
% sudo pvs -a
PV VG Fmt Attr PSize PFree
/dev/nvme0n1p1 --- 0 0
/dev/nvme0n1p2 --- 0 0
/dev/nvme0n1p3 --- 0 0
/dev/nvme0n1p4 --- 0 0
/dev/nvme0n1p5 --- 0 0
/dev/nvme0n1p6 --- 0 0
/dev/sda1 --- 0 0
/dev/sda2 --- 0 0
/dev/sdb1 --- 0 0
/dev/sdb2 --- 0 0
So the 405G btrfs shows / and /home sharing the 405G, and no PV's for lvm to use.
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George N. White III
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