J'ai md1 avec boot etc .. et md2 pour les data ...
Disk /dev/sda: 279.5 GiB, 300069052416 bytes, 586072368 sectors
Disk model: INTEL SSDSC2BB30
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x9b796445
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 4096 102402047 102397952 48.8G fd Linux raid autodetect
/dev/sda2 102402048 585017343 482615296 230.1G fd Linux raid autodetect
/dev/sda3 585017344 586063871 1046528 511M 82 Linux swap / Solaris
Disk /dev/sdb: 279.5 GiB, 300069052416 bytes, 586072368 sectors
Disk model: INTEL SSDSC2BB30
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xe66525ea
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 4096 102402047 102397952 48.8G fd Linux raid autodetect
/dev/sdb2 102402048 585017343 482615296 230.1G fd Linux raid autodetect
/dev/sdb3 585017344 586063871 1046528 511M 82 Linux swap / Solaris
Disk /dev/md1: 48.8 GiB, 52427685888 bytes, 102397824 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/md1: 48.8 GiB, 52427685888 bytes, 102397824 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/md2: 230.1 GiB, 247098966016 bytes, 482615168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes