NoValidHost: No valid host was found i can not launch a instance
os:centos 7.1 x86_64
network: nova-network
type : kvm
+--------------------------------------+--------------+--------+------------+-------------+----------+
| ID | Name | Status | Task State | Power State | Networks |
+--------------------------------------+--------------+--------+------------+-------------+----------+
| f9b97c26-b516-45fa-897f-2ce2c3265a18 | hk-instance1 | ERROR | - | NOSTATE | |
| 994f7379-3d88-44d1-bb10-74fc3afc9a3c | hk-instance2 | ERROR | - | NOSTATE | |
+--------------------------------------+--------------+--------+------------+-------------+----------+
/var/log/nova/nova-conductor.log
2015-09-06 15:21:01.121 26778 WARNING nova.scheduler.utils [req-e20723cf-6361-441f-99ca-7ec3c92e483
c 000793204f2e411b8ec6d7efc4ab653d 02cf5d032c63420fa6fd84657482d387 - - -] Failed to compute_task_b
uild_instances: No valid host was found. There are not enough hosts available.
Traceback (most recent call last):
nova service-list
+----+------------------+------------+----------+---------+-------+----------------------------+-----------------+
| Id | Binary | Host | Zone | Status | State | Updated_at | Disabled Reason |
+----+------------------+------------+----------+---------+-------+----------------------------+-----------------+
| 1 | nova-cert | controller | internal | enabled | up | 2015-09-06T07:37:30.000000 | - |
| 2 | nova-consoleauth | controller | internal | enabled | up | 2015-09-06T07:37:30.000000 | - |
| 3 | nova-conductor | controller | internal | enabled | up | 2015-09-06T07:37:31.000000 | - |
| 4 | nova-scheduler | controller | internal | enabled | up | 2015-09-06T07:37:32.000000 | - |
+----+------------------+------------+----------+---------+-------+----------------------------+-----------------+
nova host-list
+------------+-------------+----------+
| host_name | service | zone |
+------------+-------------+----------+
| controller | cert | internal |
| controller | consoleauth | internal |
| controller | conductor | internal |
| controller | scheduler | internal |
+------------+-------------+----------+
nova hypervisor-list
+----+---------------------+-------+--------+
| ID | Hypervisor hostname | State | Status |
+----+---------------------+-------+--------+
+----+---------------------+-------+--------+
nova image-list
+--------------------------------------+---------------------+--------+--------+
| ID | Name | Status | Server |
+--------------------------------------+---------------------+--------+--------+
| c3a43454-b474-4acc-9cd3-7ebd7b8053f2 | cirros-0.3.4-x86_64 | ACTIVE | |
+--------------------------------------+---------------------+--------+--------+
nova flavor-list
+----+-----------+-----------+------+-----------+------+-------+-------------+-----------+
| ID | Name | Memory_MB | Disk | Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public |
+----+-----------+-----------+------+-----------+------+-------+-------------+-----------+
| 1 | m1.tiny | 512 | 1 | 0 | | 1 | 1.0 | True |
| 2 | m1.small | 2048 | 20 | 0 | | 1 | 1.0 | True |
| 3 | m1.medium | 4096 | 40 | 0 | | 2 | 1.0 | True |
| 4 | m1.large | 8192 | 80 | 0 | | 4 | 1.0 | True |
| 5 | m1.xlarge | 16384 | 160 | 0 | | 8 | 1.0 | True |
+----+-----------+-----------+------+-----------+------+-------+-------------+-----------+
how should i do next?
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