Disk /dev/sdb: 931.51 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: dos Disk identifier: -- Device Boot Start End Sectors Size Id Type /dev/sdb1 2048 1500540927 1500538880 715.5G 83 Linux /dev/sdb2 * 1500540928 1710256127 209715200 100G 83 Linux /dev/sdb3 1710256128 1919971327 209715200 100G 83 Linux /dev/sdb4 1919971328 1953523711 33552384 16G 82 Linux swap / Solaris Disk /dev/sda: 476.94 GiB, 512110190592 bytes, 1000215216 sectors Disk model: SK hynix SC311 S 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: -- Device Boot Start End Sectors Size Id Type /dev/sda1 2048 1000214527 1000212480 476.9G 83 Linux