Check the partition configuration of the system disk with the parted command and make a note of them. You must perform this step before setting the system disk mirroring.
These details are required for restoration when the system cannot start due to a certain failure.
# parted /dev/sda print
Disk /dev/sdf: 34.4GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1049kB 630MB 629MB fat32 EFI System Partition boot, esp
2 630MB 15.0GB 14.4GB xfs
3 15.0GB 17.0GB 2000MB xfs
4 17.0GB 19.0GB 2001MB xfs
5 19.0GB 21.0GB 2000MB xfs
6 21.0GB 23.0GB 2001MB xfs
7 23.0GB 25.0GB 2000MB linux-swap(v1) swap |