Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: ST500DM002-1BD14 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: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sda1 2048 18431 16384 8M BIOS boot /dev/sda2 18432 955795455 955777024 455.8G Linux filesystem /dev/sda3 955795456 976773134 20977679 10G Linux swap