Disk /dev/sdb: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: WDC WD5000AAKX-0 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 1048576 bytes Disklabel type: dos Disk identifier: -- Device Boot Start End Sectors Size Id Type /dev/sdb1 2048 8314879 8312832 4G 82 Linux swap / Solaris /dev/sdb2 * 8314880 71229439 62914560 30G 83 Linux /dev/sdb3 71229440 976773119 905543680 431.8G 83 Linux