Attempting to reserve 1 items for resource loadbalance. Total usage: 10; quota limit: 10; headroom:0

Neutron-server Error:
Attempting to reserve 1 items for resource loadbalancer. Total usage: 10; quota limit: 10; headroom:0 make_reservation

问题分析：Neutron-server中的创建loadbalancer的数量额度限制。
neutron quota-show –tenant_id 25b2b80c77274960a95a8a9badafef57

+———————+——-+
| Field | Value |
+———————+——-+
| firewall | 10 |
| firewall_policy | 10 |
| firewall_rule | 100 |
| floatingip | 4999 |
| healthmonitor | -1 |
| l7policy | -1 |
| listener | -1 |
| loadbalancer | 10|
| network | 1000 |
| pool | 10 |
| port | 100 |
| rbac_policy | 10 |
| router | 1000 |
| security_group | 999 |
| security_group_rule | 10000 |
| subnet | 1000 |
| subnetpool | -1 |
| vpc-connection | -1 |
+———————+——-+

解决办法：
source /root/keyrc_admin

neutron quota-update –tenant_id 25b2b80c77274960a95a8a9badafef57 –loadbalancer 500

neutron quota-update –tenant_id 25b2b80c77274960a95a8a9badafef57 –pool 500

+———————+——-+
| Field | Value |
+———————+——-+
| firewall | 10 |
| firewall_policy | 1 |
| firewall_rule | 1 |
| floatingip | 1000 |
| healthmonitor | -1 |
| l7policy | -1 |
| listener | -1 |
| loadbalancer | 10000 |
| network | 1000 |
| pool | 1000 |
| port | 100 |
| rbac_policy | 1 |
| router | 1000 |
| security_group | 999 |
| security_group_rule | 10000 |
| subnet | 1000 |
| subnetpool | -1 |
| vpc-connection | -1 |
+———————+——-+

再次loadbalancer正常。