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OpenStack Nova 在卷迁移后无法连接 NetApp iSCSI LUN

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openstack
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virt
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适用于

  • OpenStack(Cinder,Nova)
  • iSCSI
  • ONTAP 9

问题

  • 当将 Cinder 卷(由 NetApp iSCSI LUN 支持)从一个虚拟机移动到另一个虚拟机时,虚拟机无法启动,因为 LUN 未按预期重新映射。
  • Nova 将 LUN 报告为使用中,而 Cinder 将其标记为可用。
  • 主机未看到该设备,并且在 Nova 日志中观察到以下错误:

ERROR nova.virt.block_device [...] Driver failed to attach volume <UUID> at /dev/sdp: os_brick.exception.VolumeDeviceNotFound: Volume device not found at.

  • 此问题仅在 VM 之间的 LUN 切换期间发生。
  • 单个 VM/单个卷方案按预期工作。

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