VG          #PV #LV #SN Attr   VSize  VFree
fedora_unix   1   4   0 wz--n- 47.04g 4.00m

LV   VG          Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  00   fedora_unix -wi-ao----  5.00g
  01   fedora_unix -wi-ao----  5.00g
  02   fedora_unix -wi-ao----  3.82g
  03   fedora_unix -wi-ao---- 33.21g

NAME                                            MAJ:MIN RM  SIZE RO TYPE  MOUNTPOINT
 sda                                               8:0    0   50G  0 disk
 ├─sda1                                            8:1    0  976M  0 part  /boot/efi
 ├─sda2                                            8:2    0    2G  0 part  /boot
 └─sda3                                            8:3    0   47G  0 part
    ├─fedora_unix-03                              253:0    0 33.2G  0 lvm
    │ └─luks-62a9d691-240c-49b9-b937-f611ef79b05c 253:2    0 33.2G  0 crypt /
    ├─fedora_unix-02                              253:1    0  3.8G  0 lvm
    │ └─luks-79810c34-a63d-43b6-80db-297d7982d66e 253:3    0  3.8G  0 crypt [SWAP]
    ├─fedora_unix-00                              253:4    0    5G  0 lvm
    │ └─luks-c49e658c-196a-4d07-8932-24e80fd36d79 253:7    0    5G  0 crypt /home
    └─fedora_unix-01                              253:5    0    5G  0 lvm
      └─luks-9e434ce7-2686-4f3f-9d55-b90224a1c290 253:6    0    5G  0 crypt /var

      sr0                                              11:0    1 55.3M  0 rom

grub> set root=(hd1,gpt2)

grub> linuxefi /vmlinuz-4.17.2-200.fc28.x86_64  root=/

grub> initrdefi /initramfs-4.17.2-200.fc28.x86_64.img

grub> boot