devstack pv丢失，vg存在，cinder-volume无法启动

最新推荐文章于 2022-12-28 11:35:38 发布

brinzhang_yy

最新推荐文章于 2022-12-28 11:35:38 发布

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分类专栏： OpenStack Linux Problems 文章标签： devstack

本文链接：https://blog.youkuaiyun.com/bai0324lin/article/details/96838239

在启动cinder-volume时遇到错误，发现pv丢失但vg仍然存在。解决方案包括查找vg的元数据配置，通过查看pvs、vgs及vg文件，定位到丢失的loop文件并使用dd命令映射，最后重启cinder-volume服务。

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启动cinder-volume报错：

Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]: DEBUG cinder.utils [None req-4a46ae35-037a-4195-88a1-76bdd69416c8 None None] Failed attempt 5 {
  
  {(pid=5727) _print_stop /opt/stack/cinder/cinder/utils.py:802}}
Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]: DEBUG cinder.utils [None req-4a46ae35-037a-4195-88a1-76bdd69416c8 None None] Have been at this for 31.961 seconds {
  
  {(pid=5727) _print_stop /opt/stack/cinder/cinder/utils.py:804}}
Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]: ERROR cinder.volume.manager [None req-4a46ae35-037a-4195-88a1-76bdd69416c8 None None] Failed to initialize driver.: ProcessExecutionError: Unexpected error while running command.
Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]: Command: sudo cinder-rootwrap /etc/cinder/rootwrap.conf lvchange -a y --yes -K stack-volumes-lvmdriver-1/stack-volumes-lvmdriver-1-pool
Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]: Exit code: 5
Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]: Stdout: u''
Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]: Stderr: u"File descriptor 16 (/dev/urandom) leaked on lvchange invocation. Parent PID 6303: /usr/bin/python\n  WARNING: Device for PV WeE7pV-7sN7-oH2c-F2G0-B34y-zCo5-g5gvsZ not found or rejected by a filter.\n  Couldn't find device with uuid WeE7pV-7sN7-oH2c-F2G0-B34y-zCo5-g5gvsZ.\n  Refusing activation of partial LV stack-volumes-lvmdriver-1/stack-volumes-lvmdriver-1-pool.  Use '--activationmode partial' to override.\n"
Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]: ERROR cinder.volume.manager Traceback (most recent call last):
Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]: ERROR cinder.volume.manager   File "/opt/stack/cinder/cinder/volume/manager.py", line 465, in _init_host
Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]: ERROR cinder.volume.manager     self.driver.check_for_setup_error()
Jul 22 10:56:28 localhost.localdomain cinder-volume[5678]