The backup GPT table is not at the end of the disk Resolving The Problem Run this command to validate the second disk: lsblk Run this command to check the disk partition: #parted Print all tables using below command: print all If the above error is prompted follow the instructions, Enter "Fix" twice to resolve GPT related error. It will fix the error and move the backup of GPT table to the end of the table. Run this command to come out from parted utility: quit To validate run again: #Parted Print all tables using below command: print all Run this command to come out from parted utility: quit