watcher/doc/source/strategies/storage_capacity_balance.rst

Storage capacity balance

Synopsis

display name: Storage Capacity Balance Strategy

goal: workload_balancing

watcher.decision_engine.strategy.strategies.storage_capacity_balance.StorageCapacityBalance

Requirements

Metrics

None

Cluster data model

Storage cluster data model is required:

watcher.decision_engine.model.collector.cinder.CinderClusterDataModelCollector

Actions

Default Watcher's actions:

action	description
volume_migrate	watcher.applier.actions.volume_migration.VolumeMigrate

Planner

Default Watcher's planner:

watcher.decision_engine.planner.weight.WeightPlanner

Configuration

Strategy parameter is:

parameter	type	default	Value description
volume_threshold	Number	80.0	Volume threshold for capacity balance

Efficacy Indicator

None

Algorithm

For more information on the storage capacity balance strategy please refer to: http://specs.openstack.org/openstack/watcher-specs/specs/queens/implemented/storage-capacity-balance.html

How to use it ?

$ openstack optimize audittemplate create \
  at1 workload_balancing --strategy storage_capacity_balance

$ openstack optimize audit create -a at1 \
  -p volume_threshold=85.0

External Links

None