Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: WDC WDS500G2B0A 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: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sda1 2048 1230847 1228800 600M EFI System /dev/sda2 1230848 33320959 32090112 15.3G Linux swap /dev/sda3 33320960 96235519 62914560 30G Linux filesystem /dev/sda4 96235520 976773119 880537600 419.9G Linux filesystem GPT PMBR size mismatch (6755683 != 15278079) will be corrected by write. The backup GPT table is not on the end of the device. Disk /dev/sdb: 7.29 GiB, 7822376960 bytes, 15278080 sectors Disk model: Transcend 8GB 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: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sdb1 64 6745851 6745788 3.2G Microsoft basic data /dev/sdb2 6745852 6755619 9768 4.8M EFI System