The backup GPT table is corrupt, but the primary appears OK, so that will be used. Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: ST95005620AS 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 206847 204800 100M EFI System /dev/sda2 206848 239615 32768 16M Microsoft reserved /dev/sda3 239616 52778975 52539360 25.1G Microsoft basic data /dev/sda4 83888128 84502527 614400 300M EFI System /dev/sda5 84502528 210331647 125829120 60G Linux filesystem /dev/sda6 210331648 959995903 749664256 357.5G Linux filesystem /dev/sda7 959995904 976773119 16777216 8G Linux swap Disk /dev/sdb: 465.76 GiB, 500107862016 bytes, 976773168 sectors Disk model: ST95005620AS 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/sdb1 2176 893499519 893497344 426.1G Microsoft basic data /dev/sdb2 932561808 976773103 44211296 21.1G Microsoft basic data /dev/sdb3 893501440 932561807 39060368 18.6G Linux filesystem Partition table entries are not in disk order. Disk /dev/zram0: 4 GiB, 4294967296 bytes, 1048576 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