Disk /dev/sdb: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors Disk model: MB1000EBNCF Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 1048576 bytes Disklabel type: dos Disk identifier: -- Disk /dev/sdc: 953.87 GiB, 1024208461312 bytes, 2000407151 sectors Disk model: ADATA SU900 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 1048576 bytes Disklabel type: dos Disk identifier: -- Disk /dev/sdd: 931.51 GiB, 1000204886016 bytes, 1953525168 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 / 1048576 bytes Disklabel type: dos Disk identifier: -- Device Boot Start End Sectors Size Id Type /dev/sdd1 2048 632944639 632942592 301.8G 83 Linux Disk /dev/sda: 931.51 GiB, 1000203804160 bytes, 1953523055 sectors Disk model: WDC WD1003FBYX-0 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 1048576 bytes Disklabel type: gpt Disk identifier: -- Device Start End Sectors Size Type /dev/sda1 2048 18431 16384 8M BIOS boot /dev/sda2 18432 12015615 11997184 5.7G Linux filesystem /dev/sda3 12015616 421615615 409600000 195.3G Linux filesystem /dev/sda4 421615616 437999615 16384000 7.8G Linux swap Disk /dev/zram0: 1.92 GiB, 2059403264 bytes, 502784 sectors Units: sectors of 1 * 4096 = 4096 bytes Sector size (logical/physical): 4096 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes