88 lines
1.8 KiB
ReStructuredText
88 lines
1.8 KiB
ReStructuredText
========================
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Storage capacity balance
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========================
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Synopsis
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--------
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**display name**: ``Storage Capacity Balance Strategy``
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**goal**: ``workload_balancing``
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.. watcher-term:: watcher.decision_engine.strategy.strategies.storage_capacity_balance.StorageCapacityBalance
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Requirements
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------------
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Metrics
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*******
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None
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Cluster data model
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******************
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Storage cluster data model is required:
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.. watcher-term:: watcher.decision_engine.model.collector.cinder.CinderClusterDataModelCollector
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Actions
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*******
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Default Watcher's actions:
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.. list-table::
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:widths: 25 35
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:header-rows: 1
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* - action
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- description
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* - ``volume_migrate``
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- .. watcher-term:: watcher.applier.actions.volume_migration.VolumeMigrate
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Planner
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*******
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Default Watcher's planner:
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.. watcher-term:: watcher.decision_engine.planner.weight.WeightPlanner
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Configuration
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-------------
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Strategy parameter is:
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==================== ====== ============= =====================================
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parameter type default Value description
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==================== ====== ============= =====================================
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``volume_threshold`` Number 80.0 Volume threshold for capacity balance
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==================== ====== ============= =====================================
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Efficacy Indicator
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------------------
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None
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Algorithm
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---------
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For more information on the storage capacity balance strategy please refer to:
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http://specs.openstack.org/openstack/watcher-specs/specs/queens/implemented/storage-capacity-balance.html
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How to use it ?
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---------------
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.. code-block:: shell
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$ openstack optimize audittemplate create \
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at1 workload_balancing --strategy storage_capacity_balance
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$ openstack optimize audit create -a at1 \
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-p volume_threshold=85.0
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External Links
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--------------
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None
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