# jupiter ## Creating a USB key ```sh sudo fdisk /dev/sdx # o, n, p, , , , t, b, w sudo mkfs.vfat -F 32 /dev/sdx1 mkdir -p /mnt/luks sudo mount /dev/sdx1 /mnt/luks echo -n "key" | sudo tee /mnt/luks/keyfile ``` ## RAID Management Remember to update [format.nix](format.nix). ### Adding a new drive Create a `format.nix` containing the new disk layout. Do not include already existing disks in this file, nor the global pool. ``` disko -m "destroy" --yes-wipe-all-disks format.nix disko -m "format" --yes-wipe-all-disks format.nix btrfs device add /dev/mapper/storage2 /mnt/storage btrfs balance start -dconvert=raid1 -mconvert=raid1 /mnt/storage --bg ``` ### Removing an old drive ``` sudo btrfs device remove /dev/mapper/storage1 /mnt/storage btrfs balance start -dconvert=raid1 -mconvert=raid1 /mnt/storage sudo cryptsetup close storage1 ```