Hi

I wanted to break the RAID 1 mirror disks in RHEL 7.4 . what is the recommended method of doing it without any corruption .

lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sdb 8:16 0 223.6G 0 disk
ââsdb1 8:17 0 5G 0 part
â ââmd127 9:127 0 5G 0 raid1 /boot
ââsdb2 8:18 0 201M 0 part
â ââmd125 9:125 0 201M 0 raid1 /boot/efi
ââsdb3 8:19 0 218G 0 part
ââmd126 9:126 0 217.9G 0 raid1
âârhel-root 253:0 0 20G 0 lvm /
âârhel-swap 253:1 0 32G 0 lvm [SWAP]
âârhel-var 253:2 0 100G 0 lvm /var
âârhel-home 253:3 0 20G 0 lvm /home
sdc 8:32 0 5.5T 0 disk
sdd 8:48 0 223.6G 0 disk
ââsdd1 8:49 0 5G 0 part
â ââmd127 9:127 0 5G 0 raid1 /boot
ââsdd2 8:50 0 201M 0 part
â ââmd125 9:125 0 201M 0 raid1 /boot/efi
ââsdd3 8:51 0 218G 0 part
ââmd126 9:126 0 217.9G 0 raid1
âârhel-root 253:0 0 20G 0 lvm /
âârhel-swap 253:1 0 32G 0 lvm [SWAP]
âârhel-var 253:2 0 100G 0 lvm /var
âârhel-home 253:3 0 20G 0 lvm /home

Thanks/Regards
Sadiq