Partition 2 does not start on physical sector boundary. Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 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 Disklabel type: dos Disk identifier: -- Device Boot Start End Sectors Size Id Type /dev/sda1 * 2048 293007359 293005312 139.7G 83 Linux /dev/sda2 293009406 1953523711 1660514306 791.8G 5 Extended /dev/sda5 1933996032 1953523711 19527680 9.3G 82 Linux swap / Solaris /dev/sda6 293009408 1933996031 1640986624 782.5G 83 Linux Partition table entries are not in disk order.