Change SWAP part from raid1 to raid0

root@srv:/# lsblk 
NAME        MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINTS
nvme1n1     259:0    0 894.3G  0 disk  
├─nvme1n1p1 259:1    0     1G  0 part  /boot/efi
├─nvme1n1p2 259:2    0     4G  0 part  
│ └─md0       9:0    0     4G  0 raid1 
└─nvme1n1p3 259:3    0 889.3G  0 part  
  └─md1       9:1    0 889.1G  0 raid1 /
nvme0n1     259:4    0 894.3G  0 disk  
├─nvme0n1p1 259:5    0     1G  0 part  
├─nvme0n1p2 259:6    0     4G  0 part  
│ └─md0       9:0    0     4G  0 raid1 
└─nvme0n1p3 259:7    0 889.3G  0 part  
  └─md1       9:1    0 889.1G  0 raid1 /

root@srv:/# cat /proc/mdstat 
Personalities : [raid1] [raid0] [raid6] [raid5] [raid4] [raid10] 
md0 : active raid1 nvme1n1p2[1] nvme0n1p2[0]
      4189184 blocks super 1.2 [2/2] [UU]
      bitmap: 0/1 pages [0KB], 65536KB chunk

md1 : active raid1 nvme1n1p3[1] nvme0n1p3[0]
      932315456 blocks super 1.2 [2/2] [UU]
      bitmap: 3/7 pages [12KB], 65536KB chunk

unused devices: none

root@srv:/# swapoff -a
root@srv:/# lsblk | grep md0
│ └─md0       9:0    0     4G  0 raid1
│ └─md0       9:0    0     4G  0 raid1
root@srv:/# mdadm -S /dev/md0 
root@srv:/# cat /proc/mdstat 
Personalities : [raid1] [raid0] [raid6] [raid5] [raid4] [raid10] 
md1 : active raid1 nvme1n1p3[1] nvme0n1p3[0]
      932315456 blocks super 1.2 [2/2] [UU]
      bitmap: 3/7 pages [12KB], 65536KB chunk

unused devices: none

root@srv:/# mdadm --zero-superblock /dev/nvme{0,1}n1p2
root@srv:/# mdadm --create  --verbose /dev/md0 --level=0 --raid-device=2 /dev/nvme{0,1}n1p2
root@srv:/# mkswap /dev/md0
root@srv:/# swapon /dev/md0 
# get UUID
root@srv:/# blkid /dev/md0
# change UUID
root@srv:/# nano /etc/fstab 

root@srv:/# swapon --show
NAME     TYPE      SIZE USED PRIO
/dev/md0 partition   8G   0B   -2