Disk /dev/sda: 238.49 GiB, 256060514304 bytes, 500118192 sectors Disk model: TOSHIBA KSG60ZMV 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 1050623 1048576 512M EFI System /dev/sda2 1050624 2549759 1499136 732M Linux filesystem /dev/sda3 2549760 500117503 497567744 237.3G Linux filesystem Disk /dev/sdb: 931.53 GiB, 1000204885504 bytes, 1953525167 sectors Disk model: Backup+ BK 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: dos Disk identifier: -- Device Boot Start End Sectors Size Id Type /dev/sdb1 2048 419432447 419430400 200G 83 Linux /dev/sdb2 419432448 1048578047 629145600 300G 83 Linux /dev/sdb4 1534095360 1953525166 419429807 200G 83 Linux Disk /dev/mapper/XXXXXXXXXXX 237.25 GiB, 254737907712 bytes, 497534976 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 Disk /dev/mapper/XXXXXXXXXXXX 236.26 GiB, 253675700224 bytes, 495460352 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 Disk /dev/mapper/XXXXXXXXXXXXXX 976 MiB, 1023410176 bytes, 1998848 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