Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: WDC WD5000LPVT-0 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 1050623 1048576 512M EFI System /dev/sda2 1050624 3147775 2097152 1G Linux filesystem /dev/sda3 3147776 296749055 293601280 140G Linux filesystem /dev/sda4 296749056 976773119 680024064 324.3G unknown Disk /dev/mapper/XXXXXXXXXX 139.98 GiB, 150307078144 bytes, 293568512 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 Disk /dev/mapper/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 324.26 GiB, 348170223616 bytes, 680019968 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