Disk /dev/sdb: 2.7 TiB, 3000592982016 bytes, 5860533168 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 Disklabel type: gpt Disk identifier: 8040A7C6-7D6D-4A7F-B5C4-B2E53ED6CB0B Device Start End Sectors Size Type /dev/sdb1 2048 5860532223 5860530176 2.7T Linux RAID Disk /dev/sdc: 2.7 TiB, 3000592982016 bytes, 5860533168 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 Disklabel type: gpt Disk identifier: A0B411ED-E3E9-4718-BAB2-3EDF681FCEA2 Device Start End Sectors Size Type /dev/sdc1 2048 5860532223 5860530176 2.7T Linux RAID Disk /dev/sdd: 2.7 TiB, 3000592982016 bytes, 5860533168 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 Disklabel type: gpt Disk identifier: A8114100-94B0-482A-BC6F-87294663B037 Device Start End Sectors Size Type /dev/sdd1 2048 5860532223 5860530176 2.7T Linux RAID