Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: Samsung SSD 860 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 526335 524288 256M EFI System /dev/sda2 526336 84412415 83886080 40G Linux filesystem /dev/sda3 84412416 944244735 859832320 410G Linux filesystem /dev/sda4 944244736 976773119 32528384 15.5G Linux swap Disk /dev/sdb: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: WDC WD20EZRZ-22Z Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 1048576 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sdb1 2048 1953511423 1953509376 931.5G Linux filesystem /dev/sdb2 1953511424 3907028991 1953517568 931.5G Linux filesystem