Disk /dev/sda: 476.94 GiB, 512110190592 bytes, 1000215216 sectors Disk model: Samsung SSD 850 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 2099199 2097152 1G Linux filesystem /dev/sda2 2099200 106956799 104857600 50G Linux LVM Disk /dev/mapper/XXXXXXXXXXXXXXX 20 GiB, 21474836480 bytes, 41943040 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/zram0: 8 GiB, 8589934592 bytes, 2097152 sectors Units: sectors of 1 * 4096 = 4096 bytes Sector size (logical/physical): 4096 bytes / 65536 bytes I/O size (minimum/optimal): 65536 bytes / 65536 bytes