8469109016
Current RBD code is incorrectly reporting the stats of the pool in the following ways: - `provisioned_capacity_gb` contains physical space used by cinder created volumes. - `free_capacity_gb` is not taking into account that pools can have quota restrictions and they should be used as the reference for the free capacity. - `total_capacity` dynamically changes, which means that there is no way to have a fixed over provisioning capacity. This patch fixes the stats reporting making sure we return the right values in `provisioned_capacity_gb` and `free_capacity_gb`, and allows us to use a static calculation of the `total_capacity` using `report_dynamic_total_capacity` configuration option. We don't report `allocated_capacity_gb` because this is something that is calculated by the Cinder core code and should not be reported by drivers, even if it's not currently working as expected [1][2]. [1] https://bugs.launchpad.net/cinder/+bug/1712549 [2] https://bugs.launchpad.net/cinder/+bug/1706057 Change-Id: I1e82bf9d0b6cc0fb1d1fc2dd8b8ccc59aea3f73f Closes-Bug: #1706060 |
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README.rst
Release notes
The release notes for a patch should be included in the patch. The intended audience for release notes include deployers, administrators and end-users.
A release note is required if the patch has upgrade or API impact. It is also required if the patch adds a feature or fixes a long-standing or security bug.
Please see https://docs.openstack.org/cinder/latest/contributor/releasenotes.html for more details.