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OpenStack:使用NVMe时实时迁移失败

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适用场景

OpenStack

问题描述

在两个主机之间执行实时迁移(cinder迁移)时、如果遇到以下情况、迁移将失败:

  • 此子系统中存在源主机NQN
  • 此子系统中存在目标主机NQN
  • Cinder卷已附加到实例(正在使用)
  • netapp_use_legacy_client = False 已在后端启用

在尝试将cinder卷映射到子系统时、实时迁移会在"实时前迁移"步骤中失败。  

在 尝试迁移期间、Cinder API日志会显示以下错误:

2024-08-12 19:46:19.365 21 ERROR cinder.api.v3.attachments cinder.exception.VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: Driver initialize connection failed (error: NetApp API failed. Reason - 72089790:Namespace is already mapped to subsystem "openstack-24ef4209-c13a-477f-a747-7e62bb121b54".).

 

 

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