Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 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: dos Disk identifier: -- Device Boot Start End Sectors Size Id Type /dev/sda1 * 2048 2099199 2097152 1G 83 Linux /dev/sda2 2099200 976773119 974673920 464.8G 8e Linux LVM Disk /dev/mapper/XXXXXXXXXXXXXX 456.97 GiB, 490666459136 bytes, 958332928 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/XXXXXXXXXXXXXX 7.79 GiB, 8363442176 bytes, 16334848 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/sdb: 3.64 TiB, 4000787030016 bytes, 7814037168 sectors Disk model: MC04ACA400E Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sdb1 2048 7814035120 7814033073 3.6T Linux RAID