Disk /dev/sda: 223.57 GiB, 240057409536 bytes, 468862128 sectors Disk model: WDC WDS240G2G0A- 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/sda1 4096 618495 614400 300M EFI System /dev/sda2 618496 450402085 449783590 214.5G Linux filesystem /dev/sda3 450402086 468857024 18454939 8.8G Linux swap Disk /dev/sdb: 12.73 TiB, 14000488185856 bytes, 27344703488 sectors Disk model: My Book Duo 25F6 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/sdb1 2048 27344701439 27344699392 12.7T Linux filesystem