diff options
Diffstat (limited to 'environments/neutron-ovs-dvr.yaml')
| -rw-r--r-- | environments/neutron-ovs-dvr.yaml | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/environments/neutron-ovs-dvr.yaml b/environments/neutron-ovs-dvr.yaml index b658d3a5..973cbe16 100644 --- a/environments/neutron-ovs-dvr.yaml +++ b/environments/neutron-ovs-dvr.yaml @@ -30,10 +30,15 @@ parameter_defaults: # affect the agent on the controller node. NeutronL3AgentMode: 'dvr_snat' - # L3 HA isn't supported for DVR enabled routers. If upgrading from a system - # where L3 HA is enabled and has neutron routers configured, it is - # recommended setting this value to true until such time all routers can be - # migrated to DVR routers. Once migration of the routers is complete, - # NeutronL3HA can be returned to false. All new systems should be deployed - # with NeutronL3HA set to false. - NeutronL3HA: false + # Enabling DVR deploys additional services to the compute nodes that through + # normal operation will consume memory. The amount required is roughly + # proportional to the number of Neutron routers that will be scheduled to + # that host. It is necessary to reserve memory on the compute nodes to avoid + # memory issues when creating instances that are connected to routed + # networks. The current expected consumption is 50 MB per router in addition + # to the base reserved amount. Deployers should refer to existing + # documentation, release notes, etc. for additional information on estimating + # an appropriate value. The provided value here is based on an estimate of 10 + # routers and is an example value *only* and should be reviewed and modified + # if necessary before deploying. + NovaReservedHostMemory: 2560 |