1. A system for backup operations for shared volumes, the system comprising: a processor-based application executed on a computer and configured to: identify a shared volume used by a virtual machine, the shared volume being scheduled for a backup operation by a first distributed system node; identify a second distributed system node that has a responsibility for sending control signals to the shared volume for performing a backup operation; save an association of the second distributed system node to the shared volume; transfer, to the first distributed system node from the second distributed system node, the responsibility for sending control signals to the shared volume to the first distributed system node; execute, by the first distributed system node, the backup operation for the shared volume in response to receiving the responsibility for sending the control signals to the shared volume from the second distributed system node; and transfer, based on the saved association, the responsibility for sending control signals to the shared volume back to the second distributed system node.