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hi Bipin, Bernd Bausch and Dilipsun, thank you for your answer. I'm a rookie about openstack, and not clear about the log information, could you help me to look at it? Thank you again. This is the nova-conductor.log

nova-conductor.log

2016-10-28 05:48:47.763 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5663 attempts left. 2016-10-28 05:48:47.837 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5663 attempts left. 2016-10-28 05:48:57.773 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5664 attempts left. 2016-10-28 05:48:57.845 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5664 attempts left. 2016-10-28 05:49:07.778 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5665 attempts left. 2016-10-28 05:49:07.853 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5665 attempts left. 2016-10-28 05:49:17.786 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5666 attempts left. 2016-10-28 05:49:17.857 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5666 attempts left. 2016-10-28 05:49:27.796 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5667 attempts left. 2016-10-28 05:49:27.860 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5667 attempts left.

hi Bipin, Bernd Bausch and Dilipsun, thank you for your answer. I'm a rookie about openstack, and not clear about the log information, could you help me to look at it? Thank you again. This is the nova-conductor.log

nova-conductor.log

2016-10-28 05:48:47.763 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5663 attempts left. 2016-10-28 05:48:47.837 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5663 attempts left. 2016-10-28 05:48:57.773 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5664 attempts left. 2016-10-28 05:48:57.845 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5664 attempts left. 2016-10-28 05:49:07.778 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5665 attempts left. 2016-10-28 05:49:07.853 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5665 attempts left. 2016-10-28 05:49:17.786 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5666 attempts left. 2016-10-28 05:49:17.857 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5666 attempts left. 2016-10-28 05:49:27.796 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5667 attempts left. left.

2016-10-28 05:49:27.860 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5667 attempts left.

nova service list

[root@localhost ~(keystone_admin)]# nova service-list +----+------------------+-----------------------+----------+---------+-------+----------------------------+-----------------+ | Id | Binary | Host | Zone | Status | State | Updated_at | Disabled Reason | +----+------------------+-----------------------+----------+---------+-------+----------------------------+-----------------+ | 3 | nova-cert | localhost.localdomain | internal | enabled | up | 2016-11-02T13:44:08.000000 | - | | 4 | nova-consoleauth | localhost.localdomain | internal | enabled | up | 2016-11-02T13:44:00.000000 | - | | 5 | nova-scheduler | localhost.localdomain | internal | enabled | up | 2016-11-02T13:44:07.000000 | - | | 6 | nova-conductor | localhost.localdomain | internal | enabled | up | 2016-11-02T13:44:02.000000 | - | | 7 | nova-compute | localhost.localdomain | nova | enabled | up | 2016-11-02T13:44:02.000000 | - | +----+------------------+-----------------------+----------+---------+-------+----------------------------+-----------------+

hi Bipin, Bernd Bausch and Dilipsun, thank you for your answer. I'm a rookie about openstack, and not clear about the log information, could you help me to look at it? Thank you again. This is the nova-conductor.log

nova-conductor.log

2016-10-28 05:48:47.763 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5663 attempts left. 2016-10-28 05:48:47.837 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5663 attempts left. 2016-10-28 05:48:57.773 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5664 attempts left. 2016-10-28 05:48:57.845 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5664 attempts left. 2016-10-28 05:49:07.778 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5665 attempts left. 2016-10-28 05:49:07.853 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5665 attempts left. 2016-10-28 05:49:17.786 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5666 attempts left. 2016-10-28 05:49:17.857 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5666 attempts left. 2016-10-28 05:49:27.796 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5667 attempts left. 2016-10-28 05:49:27.860 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5667 attempts left.

2016-10-28 05:49:27.860 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5667 attempts left.

nova service list

[root@localhost ~(keystone_admin)]# nova service-list +----+------------------+-----------------------+----------+---------+-------+----------------------------+-----------------+ | Id | Binary | Host | Zone | Status | State | Updated_at | Disabled Reason | +----+------------------+-----------------------+----------+---------+-------+----------------------------+-----------------+ | 3 | nova-cert | localhost.localdomain | internal | enabled | up | 2016-11-02T13:44:08.000000 | - | | 4 | nova-consoleauth | localhost.localdomain | internal | enabled | up | 2016-11-02T13:44:00.000000 | - | | 5 | nova-scheduler | localhost.localdomain | internal | enabled | up | 2016-11-02T13:44:07.000000 | - | | 6 | nova-conductor | localhost.localdomain | internal | enabled | up | 2016-11-02T13:44:02.000000 | - | | 7 | nova-compute | localhost.localdomain | nova | enabled | up | 2016-11-02T13:44:02.000000 | - | +----+------------------+-----------------------+----------+---------+-------+----------------------------+-----------------+

hi Bipin, Bernd Bausch and Dilipsun, thank you for your answer. I'm a rookie about openstack, and not clear about the log information, could you help me to look at it? Thank you again. This is the nova-conductor.log

nova-conductor.log

 2016-10-28 05:48:47.763 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5663 attempts left.
2016-10-28 05:48:47.837 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5663 attempts left.
2016-10-28 05:48:57.773 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5664 attempts left.
2016-10-28 05:48:57.845 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5664 attempts left.
2016-10-28 05:49:07.778 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5665 attempts left.
2016-10-28 05:49:07.853 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5665 attempts left.
2016-10-28 05:49:17.786 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5666 attempts left.
2016-10-28 05:49:17.857 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5666 attempts left.
2016-10-28 05:49:27.796 4029 WARNING oslo_db.sqlalchemy.engines [req-7418b599-505b-4484-9350-e905fddec7f7 - - - - -] SQL connection failed. -5667 attempts left.
2016-10-28 05:49:27.860 4028 WARNING oslo_db.sqlalchemy.engines [req-f56a548e-b34c-4f05-8f54-38152738bb52 - - - - -] SQL connection failed. -5667 attempts left.

left.

nova service list

[root@localhost ~(keystone_admin)]# nova service-list
+----+------------------+-----------------------+----------+---------+-------+----------------------------+-----------------+
| Id | Binary           | Host                  | Zone     | Status  | State | Updated_at                 | Disabled Reason |
+----+------------------+-----------------------+----------+---------+-------+----------------------------+-----------------+
| 3  | nova-cert        | localhost.localdomain | internal | enabled | up    | 2016-11-02T13:44:08.000000 | -               |
| 4  | nova-consoleauth | localhost.localdomain | internal | enabled | up    | 2016-11-02T13:44:00.000000 | -               |
| 5  | nova-scheduler   | localhost.localdomain | internal | enabled | up    | 2016-11-02T13:44:07.000000 | -               |
| 6  | nova-conductor   | localhost.localdomain | internal | enabled | up    | 2016-11-02T13:44:02.000000 | -               |
| 7  | nova-compute     | localhost.localdomain | nova     | enabled | up    | 2016-11-02T13:44:02.000000 | -               |
+----+------------------+-----------------------+----------+---------+-------+----------------------------+-----------------+

+----+------------------+-----------------------+----------+---------+-------+----------------------------+-----------------+