viocli update Nova Command

You can update certain parameters in your Nova service configuration by using the viocli update nova command.

For more information about Nova configuration, see the OpenStack Nova Configuration documentation.

For more information about Nova service configuration examples, see the OpenStack Nova Configuration file.

Configuration options example using viocli update nova.

conf:
  nova:
    DEFAULT:
      force_config_drive: false
      rpc_response_timeout: 6000
      executor_thread_pool_size: 64

    conductor:
      workers: 2

    vmware:
      network_passthrough: false
      tenant_vdc: false

    filter_scheduler:
      max_instance_per_host: 50
      max_io_ops_per_host: 8
      available_filters: nova.scheduler.filters.all_filters
      enabled_filters: AvailabilityZoneFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,
      ServerGroupAntiAffinityFilter,ServerGroupAffinityFilter,PciPassthroughFilter,AggregateInstanceExtraSpecsFilter

    pci:
      alias: [{"device_type": "type-VF", "name": "sriov"}, {"vendor_id":"8086", "product_id":"1520", 
      "device_type": "type-PF", "name":"fpt"}]
      passthrough_whitelist: [{"vendor_id": "*", "product_id": "*"}]

    cinder:
      cross_az_attach: true

    scheduler:
      max_attempts: 3

    database:
      max_pool_size: 50

Table 1. viocli update Nova Parameters

Parameter	Default Value	Description
force_config_drive	false	Enter true to force enable the configuration drive functionality. However, you can still enable the configuration drives through the REST API or image metadata properties.
rpc_response_timeout	60	Enter the value in seconds to wait for a response from a call.
executor_thread_pool_size	64	Enter the size of the executor thread pool for the executor to thread or eventlet.
workers	none	Enter the number of workers for the OpenStack Conductor service.
max_instances_per_host	50	Enter the maximum number of instances that can exist on a host.
max_io_ops_per_host	8	Enter the maximum number of instances that can actively perform input and output operation on a host.
available_filters	nova.scheduler.filters.all_filters	Enter filters that a scheduler can use.
enabled_filters		Enter filters that a scheduler must use. Supported filters: AvailabilityZoneFilter, ComputeFilter,, ImagePropertiesFilter,, ServerGroupAffinityFilter PciPassthroughFilter, AggregateInstanceExtraSpecsFilter, AggregateMultiTenancyIsolation
alias	''	Enter the aliasfor the PCI passthrough device requirement.
passthrough_whitelist	''	Enter the allowlist of peripheral component interconnect devices available to virtual machines.
cross_az_attach	true	Enter the attach between instance and volume in different availability zones. If this value is false, volumes attached to an instance must be in the same availibility zone in Cinder as the instance availibility zone in Nova.
max_attempt	3	Enter the maximum number of schedule attempts for a chosen host.
max_pool_size	none	Enter the maximum number of SQL connections to keep open in a pool. A value of 0 indicates no limit.