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This is a reproposal of a previously merged spec in the Zed cycle[1]. We have had a long history of quotas going out of sync. This spec proposes to fix the problem by introducing 2 new quota drivers: 1. Counting: Dynamically counting the resources 2. Counters: Store reserved and in-use quota values in DB and use it [1] https://specs.openstack.org/openstack/cinder-specs/specs/zed/quota-system.html Implements: blueprint count-resource-to-check-quota Change-Id: Ic4c97e46553e94f57e3f8e22f7cd65d7464a34f8