Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: ST500LM000-1EJ16 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/sda1 * 2048 976771071 976769024 465.8G 83 Linux Disk /dev/sdb: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: ST500LM012 HN-M5 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 6143 4096 2M BIOS boot /dev/sdb2 6144 268287 262144 128M EFI System /dev/sdb3 268288 1316863 1048576 512M Linux filesystem /dev/sdb4 1316864 976771119 975454256 465.1G Linux filesystem Disk /dev/zram0: 988.09 MiB, 1036091392 bytes, 252952 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/zram1: 988.09 MiB, 1036091392 bytes, 252952 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/zram2: 988.09 MiB, 1036091392 bytes, 252952 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/zram3: 988.09 MiB, 1036091392 bytes, 252952 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