Disk /dev/sdb: 894.25 GiB, 960197124096 bytes, 1875385008 sectors Disk model: SAMSUNG MZ7L3960 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 4095 2048 1M BIOS boot /dev/sdb2 4096 1875384319 1875380224 894.3G Linux RAID Disk /dev/sda: 894.25 GiB, 960197124096 bytes, 1875385008 sectors Disk model: SAMSUNG MZ7L3960 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/sda1 2048 4095 2048 1M BIOS boot /dev/sda2 4096 1875384319 1875380224 894.3G Linux RAID Disk /dev/sdd: 894.25 GiB, 960197124096 bytes, 1875385008 sectors Disk model: SAMSUNG MZ7L3960 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/sdd1 2048 1875384974 1875382927 894.3G Linux filesystem Disk /dev/md126: 894.13 GiB, 960059408384 bytes, 1875116032 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 262144 bytes / 524288 bytes Disk /dev/mapper/XXXXXXXXXXXX 51.22 GiB, 54999908352 bytes, 107421696 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 262144 bytes / 524288 bytes Disk /dev/mapper/XXXXXXXXXXXXX 842.9 GiB, 905055305728 bytes, 1767686144 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 262144 bytes / 524288 bytes Disk /dev/zram0: 94.25 GiB, 101199486976 bytes, 24706906 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 Disk /dev/sdc: 894.25 GiB, 960197124096 bytes, 1875385008 sectors Disk model: SAMSUNG MZ7L3960 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/sdc1 2048 1875384974 1875382927 894.3G Linux filesystem Disk /dev/md124: 894.13 GiB, 960060719104 bytes, 1875118592 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 131072 bytes / 262144 bytes