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You'll want to set skip_completed and overwrite to true. Refer to the logic here

bundle exec rake avalon:migrate:repo overwrite=true skip_completed=true CONFIRM=yes

    def migration_required?(pid, klass, method=:migrate)
      status_report = MigrationStatus.find_by(source_class: klass, f3_pid: pid, datastream: nil)
      status_report.nil? ||
        (status_report.status != 'completed' && status_report.status != 'waiting' && method == :migrate) ||
        (status_report.status != 'completed' && method == :second_pass) ||
        (!skip_completed? && overwrite?)
    end

Rerunning the migration to fix failed objects

Once the migration is running, it is best to let it fully finish before attempting to rerun failed objects.  The migration should fail objects that are missing parent or child objects.  Once the migration is finished running, a list of the failed object ids can be collected into a file by running this command:

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