Disk /dev/sda: 476.94 GiB, 512110190592 bytes, 1000215216 sectors Disk model: Netac SSD 512GB 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 17655807 16424960 7.8G Linux swap /dev/sda3 17655808 80570367 62914560 30G Linux filesystem /dev/sda4 80570368 1000214527 919644160 438.5G Linux filesystem Disk /dev/sdb: 1.82 TiB, 2000396746752 bytes, 3907024896 sectors Disk model: Ext HDD 1021 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 2048 3907022847 3907020800 1.8T Linux root (x86)