mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
   missing codepage or helper program, or other error
   In some cases useful info is found in syslog - try
   dmesg | tail  or so

Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt

Number  Start   End     Size    File system  Name              Flags
 1      1049kB  2000GB  2000GB               Linux filesystem