Disk /dev/sda: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: WDC WD20EFRX-68A Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sda1 2048 3907028991 3907026944 1.8T Linux LVM Disk /dev/sdb: 238.47 GiB, 256060514304 bytes, 500118192 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/sdb1 2048 1230847 1228800 600M EFI System /dev/sdb2 1230848 3327999 2097152 1G Linux filesystem /dev/sdb3 3328000 500117503 496789504 236.9G Linux filesystem Disk /dev/zram0: 31.29 GiB, 33597423616 bytes, 8202496 sectors Units: sectors of 1 * 4096 = 4096 bytes Sector size (logical/physical): 4096 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk /dev/mapper/XXXXXXXXXXXXXX 1 TiB, 1099511627776 bytes, 2147483648 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes