Common drush commands for Migrate 2

Deregister migrate classes which is not exist:

drush migrate-deregister —orphans



Other common commands:

 migrate-audit (ma)    View information on problems in a migration.             

 migrate-deregister    Remove all tracking of a migration                       

 migrate-fields-desti  List the fields available for mapping in a destination.  

 migrate-fields-sourc  List the fields available for mapping from a source.     

 migrate-import (mi)   Perform one or more migration processes                  

 migrate-mappings      View information on all field mappings in a migration.   

 migrate-reset-status  Reset a active migration’s status to idle                

 migrate-rollback (mr)     Roll back the destination objects from a given migration 

 migrate-status (ms)   List all migrations with current status.                 

 migrate-stop (mst)    Stop an active migration operation                       

 migrate-wipe (mw)     Delete all nodes from specified content types.