Disk /dev/sdb: 238.47 GiB, 256060514304 bytes, 500118192 sectors Disk model: HDSSOSB-256GB 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: -- Disk /dev/sda: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors Disk model: SSD 1TB 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 2048 2000895 1998848 976M EFI System /dev/sda3 4001792 1953523711 1949521920 929.6G Linux LVM Disk /dev/mapper/XXXXXXXXXXXXX 914.11 GiB, 981517467648 bytes, 1917026304 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/mapper/XXXXXXXXXXXXXXX 15.49 GiB, 16634609664 bytes, 32489472 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes