服务器重启后,cinder-volume服务状态down

devstack服务器断电重启后,openstack有些服务无法启动。

source /opt/stack/devstack/openrc admin admin
nova service-list --binary nova-compute
/opt/stack/devstack/tools/discover_hosts.sh

执行:

systemctl restart devstack@*

重启服务后,nova服务up状态。但是cinder-volume服务开始up状态,过一会儿是down状态。

查看cinder服务状态:

cinder service-list

开始cinder服务up,
查询日志:

sudo journalctl -a -u [email protected] | grep  "ERROR"

显示:

Aug 25 12:04:05 computer cinder-volume[5124]: ERROR cinder.utils [None req-5f09d1d8-9f85-4f77-82f0-eff577d4de0e None None] Volume driver LVMVolumeDriver not initialized
Aug 25 12:04:05 computer cinder-volume[5124]: ERROR cinder.volume.manager [None req-5f09d1d8-9f85-4f77-82f0-eff577d4de0e None None] Cannot complete RPC initialization because driver isn't initialized properly.: cinder.exception.DriverNotInitialized: Volume driver not ready.

Aug 25 12:04:15 computer cinder-volume[5124]: ERROR cinder.service [-] Manager for service cinder-volume computer@lvmdriver-1 is reporting problems, not sending heartbeat. Service will appear "down".

过一会儿再执行:

cinder service-list

输出:

+------------------+------------------------+------+---------+-------+----------------------------+-----------------+
| Binary           | Host                   | Zone | Status  | State | Updated_at                 | Disabled Reason |
+------------------+------------------------+------+---------+-------+----------------------------+-----------------+
| cinder-scheduler | controller             | nova | enabled | up    | 2020-08-25T06:19:08.000000 | -               |
| cinder-volume    | controller@lvmdriver-1 | nova | enabled | down  | 2020-08-25T06:19:00.000000 | -               |
| cinder-volume    | computer@lvmdriver-1   | nova | enabled | down  | 2020-08-25T06:19:06.000000 | -               |
+------------------+------------------------+------+---------+-------+----------------------------+-----------------+

开始以为是时间同步问题,但是检查时间后,发现不是时间同步问题。
controller 下执行:

vgs

无输出。
computer下,
执行:

vgs

也无输出。

分别再controller和computer下执行:

sudo losetup /dev/loop0 /opt/stack/data/stack-volumes-default-backing-file

输出:

losetup: /opt/stack/data/stack-volumes-default-backing-file: failed to set up loop device: Device or resource busy

重启服务器:
重复上述步骤

再执行(#将/opt/stack/data/stack-volumes-lvmdriver-1-backing-file绑在第一个空闲的loop):

sudo losetup -f /opt/stack/data/stack-volumes-lvmdriver-1-backing-file

再分别执行

vgs

显示:

  VG                        #PV #LV #SN Attr   VSize   VFree
  stack-volumes-lvmdriver-1   1   1   0 wz--n- <24.00g <1.15g

再次重启cinder服务:

systemctl restart devstack@c*
cinder service-list

显示:

+------------------+------------------------+------+---------+-------+----------------------------+-----------------+
| Binary           | Host                   | Zone | Status  | State | Updated_at                 | Disabled Reason |
+------------------+------------------------+------+---------+-------+----------------------------+-----------------+
| cinder-scheduler | controller             | nova | enabled | up    | 2020-08-25T06:19:08.000000 | -               |
| cinder-volume    | controller@lvmdriver-1 | nova | enabled | up    | 2020-08-25T06:19:00.000000 | -               |
| cinder-volume    | computer@lvmdriver-1   | nova | enabled | up    | 2020-08-25T06:19:06.000000 | -               |
+------------------+------------------------+------+---------+-------+----------------------------+-----------------+

问题解决。

但是问题产生具体原因 待查。

参考文档:
《cinder-volume down》

删除多余的cinder volume:

cinder-manage service remove cinder-volume computer@lvmdriver-2

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