Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1         637     5116671   fd  Linux raid autodetect
/dev/sdb2             638         833     1574370   fd  Linux raid autodetect
/dev/sdb3             834       91201   725880960    5  Extended
/dev/sdb5             834        1470     5116671   fd  Linux raid autodetect
/dev/sdb6            1471        2107     5116671   fd  Linux raid autodetect
/dev/sdb7            2108       91200   715639491   fd  Linux raid autodetect