1：quota相關配置：
1.1：查看當前配額：
[root@node1 ~]# neutron quota-show admin
neutron CLI is deprecated and will be removed in the future. Use openstack CLI instead.
+---------------------+-------+
| Field | Value |
+---------------------+-------+
| floatingip | 50 |
| network | 100 |
| port | 500 |
| rbac_policy | 10 |
| router | 10 |
| security_group | 10 |
| security_group_rule | 100 |
| subnet | 100 |
| subnetpool | -1 |
+---------------------+-------+
1.2：web端修改項目配額：
1.2.1：查看openstack配置文件(/etc/httpd/conf.d/openstack-dashboard.conf)是否開啟配額限制：
1.2.2：修改web端配額：
1.3：修改/etc/neutron/neutron.conf：
1.3.1：控制端：
[quotas]
quota_network = 200
quota_subnet = 200
quota_port = 5000
quota_driver = neutron.db.quota.driver.DbQuotaDriver
quota_router = 100
quota_floatingip = 1000
quota_security_group = 100
quota_security_group_rule = 1000
#重啟neutron服務
[root@node1 ~]# systemctl restart openstack-nova-api.service neutron-server.service neutron-linuxbridge-agent.service neutron-dhcp-agent.service neutron-metadata-agent.service
15.1.3.2：計算節點：
[quotas]
quota_network = 200
quota_subnet = 200
quota_port = 5000
quota_driver = neutron.db.quota.driver.DbQuotaDriver
quota_router = 100
quota_floatingip = 50
quota_security_group = 100
quota_security_group_rule = 1000
#重啟neutron服務
[root@node3 ~]# systemctl restart neutron-linuxbridge-agent
1.4：驗證當前配額：
2：修改用戶配額
2.1：單獨調整單個用戶的配額
2.2：修改默認配額
查看當前默認值
[root@node1 ~]# nova quota-defaults
+----------------------+-------+
| Quota | Limit |
+----------------------+-------+
| instances | 10 |
| cores | 20 |
| ram | 51200 |
| metadata_items | 128 |
| key_pairs | 100 |
| server_groups | 10 |
| server_group_members | 10 |
+----------------------+-------+
[root@node1 ~]# nova quota-class-update default --instances 20
[root@node1 ~]# nova quota-defaults
+----------------------+-------+
| Quota | Limit |
+----------------------+-------+
| instances | 20 |
| cores | 20 |
| ram | 51200 |
| metadata_items | 128 |
| key_pairs | 100 |
| server_groups | 10 |
| server_group_members | 10 |
+----------------------+-------+
常用命令
nova quota-class-update default --instances 20
nova quota-class-update default --cores 80
nova quota-class-update default --ram 512000
nova quota-class-update default --metadata_items 1280
nova quota-class-update default --key_pairs 1000
nova quota-class-update default --server_groups 80
nova quota-class-update default --server_group_members 80
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