Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors Disk model: Samsung SSD 860 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sda1 2048 1230847 1228800 600M EFI System /dev/sda2 1230848 2459647 1228800 600M Apple HFS/HFS+ /dev/sda3 2459648 4556799 2097152 1G Linux filesystem /dev/sda4 4556800 1953523711 1948966912 929.3G Linux filesystem Disk /dev/sdb: 1.8 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: Samsung SSD 860 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sdb1 40 409639 409600 200M EFI System /dev/sdb2 409640 2148847135 2148437496 1T unknown /dev/sdb3 2148847616 2149871615 1024000 500M EFI System /dev/sdb4 2149871616 3874439167 1724567552 822.3G Linux filesystem /dev/sdb5 3874439168 3907029134 32589967 15.6G Linux swap Disk /dev/mapper/XXXXXXXX 15.6 GiB, 16683965952 bytes, 32585871 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/mapper/XXXXXXXX 822.3 GiB, 882976489472 bytes, 1724563456 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes