Disk /dev/sda: 447.13 GiB, 480103981056 bytes, 937703088 sectors Disk model: KINGSTON SUV5004 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 1050623 1048576 512M EFI System /dev/sda2 1050624 937701375 936650752 446.6G Linux filesystem GPT PMBR size mismatch (6586667 != 15654911) will be corrected by write. The backup GPT table is not on the end of the device. This problem will be corrected by write. Disk /dev/sdb: 7.48 GiB, 8015314944 bytes, 15654912 sectors Disk model: USB DISK 2.0 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: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sdb1 64 6577539 6577476 3.1G Microsoft basic data /dev/sdb2 6577540 6586003 8464 4.1M EFI System /dev/sdb3 6586004 6586603 600 300K Microsoft basic data