diff options
Diffstat (limited to 'nova/conf/scheduler.py')
| -rw-r--r-- | nova/conf/scheduler.py | 68 |
1 files changed, 65 insertions, 3 deletions
diff --git a/nova/conf/scheduler.py b/nova/conf/scheduler.py index 8b3b616987..c7aa2ad76d 100644 --- a/nova/conf/scheduler.py +++ b/nova/conf/scheduler.py @@ -464,6 +464,49 @@ Possible values: * An integer or float value, where the value corresponds to the multipler ratio for this weigher. """), + cfg.FloatOpt("hypervisor_version_weight_multiplier", + default=1.0, + help=""" +Hypervisor Version weight multiplier ratio. + +The multiplier is used for weighting hosts based on the reported +hypervisor version. +Negative numbers indicate preferring older hosts, +the default is to prefer newer hosts to aid with upgrades. + +Possible values: + +* An integer or float value, where the value corresponds to the multiplier + ratio for this weigher. + +Example: + +* Strongly prefer older hosts + + .. code-block:: ini + + [filter_scheduler] + hypervisor_version_weight_multiplier=-1000 + + +* Moderately prefer new hosts + + .. code-block:: ini + + [filter_scheduler] + hypervisor_version_weight_multiplier=2.5 + +* Disable weigher influence + + .. code-block:: ini + + [filter_scheduler] + hypervisor_version_weight_multiplier=0 + +Related options: + +* ``[filter_scheduler] weight_classes`` +"""), cfg.FloatOpt("io_ops_weight_multiplier", default=-1.0, help=""" @@ -745,7 +788,26 @@ Possible values: Related options: * ``[filter_scheduler] aggregate_image_properties_isolation_namespace`` -""")] +"""), + cfg.BoolOpt( + "pci_in_placement", + default=False, + help=""" +Enable scheduling and claiming PCI devices in Placement. + +This can be enabled after ``[pci]report_in_placement`` is enabled on all +compute hosts. + +When enabled the scheduler queries Placement about the PCI device +availability to select destination for a server with PCI request. The scheduler +also allocates the selected PCI devices in Placement. Note that this logic +does not replace the PCIPassthroughFilter but extends it. + +* ``[pci] report_in_placement`` +* ``[pci] alias`` +* ``[pci] device_spec`` +"""), +] metrics_group = cfg.OptGroup( name="metrics", @@ -780,7 +842,7 @@ follows: Possible values: -* An integer or float value, where the value corresponds to the multipler +* An integer or float value, where the value corresponds to the multiplier ratio for this weigher. Related options: @@ -857,7 +919,7 @@ of any actual metric value: Possible values: -* An integer or float value, where the value corresponds to the multipler +* An integer or float value, where the value corresponds to the multiplier ratio for this weigher. Related options: |