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Allow discards

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Tommy 2024-12-25 06:23:11 -07:00 committed by GitHub
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Thinkpad P53.md
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@ -166,7 +166,7 @@ Do `ls /dev/disk/by-id` to check the serial numbers and find the correct drive.
sudo fdisk /dev/nvme0n1
[Make 2 partitions. The first one with 1G and the second one with the remaining space.]
sudo cryptsetup luksFormat /dev/nvme0n1p2
sudo cryptsetup open /dev/nvme0n1p2 cryptroot
sudo cryptsetup open --allow-discards --persistent /dev/nvme0n1p2 cryptroot
sudo mkfs.btrfs --csum blake2b -L qubes_dom0 /dev/mapper/cryptroot
```
@ -213,9 +213,9 @@ Reboot to apply the changes.
### Redundant VM storage
Make encrypted partition `/dev/nvme1n1p1` as `cryptdata1` and `/dev/nvme2n1p1` as `cryptdata2`. If the same passphrase as `/dev/nvme0n1p1` is used for encryption, all 3 drives will be unlocked with just 1 prompt during boot.
Make encrypted partition `/dev/nvme1n1p1` and `/dev/nvme2n1p1`. If the same passphrase as `/dev/nvme0n1p1` is used for encryption, all 3 drives will be unlocked with just 1 prompt during boot.
To get the filesystem UUID of `cryptdata1` and `cryptdata2`, run
To get the filesystem UUIDs of of the 2 CRYPTO_LUKS filesystems, run
```bash
lsblk -o NAME,UUID
@ -237,6 +237,8 @@ sudo dracut --regenerate-all --force
Make the new RAID 1 BTRFS filesystem:
```bash
sudo cryptsetup --allow-discards --persistent open /dev/nvme1n1p1 cryptdata1
sudo cryptsetup --allow-discards --persistent open /dev/nvme2n1p1 cryptdata2
sudo mkfs.btrfs --csum blake2b -m raid 1 -d /dev/mapper/cryptdata1 /dev/mapper/cryptdata2
```