Disk /dev/sda: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors Disk model: TOSHIBA MQ01ABD1 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/sda1 2048 1230847 1228800 600M EFI System /dev/sda2 1230848 64145407 62914560 30G Linux filesystem /dev/sda3 64145408 80427007 16281600 7.8G Linux swap /dev/sda4 80427008 1953523711 1873096704 893.2G Linux filesystem Disk /dev/mapper/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 893.15 GiB, 959008735232 bytes, 1873063936 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 1048576 bytes