Bevore conversion:
### lsblk:
NAME        FSTYPE               SIZE MOUNTPOINT   UUID
sdc                              3.6T
└─sdc1      linux_raid_member    3.6T              ef3963b2-092b-acaf-5442-c94915edacb6
└─md0     ext4                 3.6T              12f85cdc-fe27-493a-8c5e-a6d182717c95
sdd                              3.6T
└─sdd1      linux_raid_member    3.6T              ef3963b2-092b-acaf-5442-c94915edacb6
└─md0     ext4                 3.6T              12f85cdc-fe27-493a-8c5e-a6d182717c95

After conversion:
### lsblk:
NAME        FSTYPE               SIZE MOUNTPOINT   UUID
sdc                              3.6T
└─sdc1      linux_raid_member    3.6T              5a7b31a9-cbee-2d37-fd0a-ed8a8efafc98
└─md127                        3.6T
sdd                              3.6T
└─sdd1      linux_raid_member    3.6T              5a7b31a9-cbee-2d37-fd0a-ed8a8efafc98
└─md127                        3.6T