Disk /dev/sda: 232.91 GiB, 250059350016 bytes, 488397168 sectors Disk model: Samsung SSD 860 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/sda1 2048 616447 614400 300M EFI System /dev/sda2 616448 63531007 62914560 30G Linux filesystem /dev/sda3 63531008 488397134 424866127 202.6G Linux filesystem Disk /dev/sdb: 1.84 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: ST2000DM008-2FR1 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/sdb1 2048 3907022847 3907020800 1.8T Linux filesystem Disk /dev/sdc: 1.84 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: ST32000542AS 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/sdd: 1.84 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: ST32000542AS 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/md0: 1.84 TiB, 2000263643136 bytes, 3906764928 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