WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion. Disk /dev/sda: 3999.7 GB, 3999688294400 bytes, 7811891200 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 262144 bytes / 262144 bytes Disk label type: gpt Disk identifier: -- # Start End Size Type Name 1 2048 4095 1M BIOS boot 2 4096 2101247 1G Microsoft basic 3 2101248 7811889151 3.7T Linux LVM Disk /dev/mapper/XXXXXXXX 53.7 GB, 53687091200 bytes, 104857600 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 262144 bytes / 262144 bytes Disk /dev/mapper/XXXXXXXX 4294 MB, 4294967296 bytes, 8388608 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 262144 bytes / 262144 bytes Disk /dev/mapper/XXXXXXXX 3940.6 GB, 3940628299776 bytes, 7696539648 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 262144 bytes / 262144 bytes