Cloned from launchpad blueprint https://blueprints.launchpad.net/cinder/+spec/limit-volume-copy-bps-per-backend.
Currently, cinder has a global configuration to limit a volume copy bandwidth to mitigate slow down of instances volume access during large image copies.
This spec proposes to make this config variable per backend.
Specification URL (additional information):
*** This bug has been marked as a duplicate of bug 1081834 ***