deb-cinder/releasenotes/notes/scaleio-thin-provisioning-s...

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---
features:
- Added support for oversubscription in thin provisioning in the
ScaleIO driver.
Volumes should have extra_specs with the key provisioning:type with value
equals to either 'thick' or 'thin'.
max_oversubscription_ratio can be defined by the global config or for
ScaleIO specific with the config option sio_max_over_subscription_ratio.
The maximum oversubscription ratio supported at the moment is 10.0.