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为什么在接管/归还期间NFS I/O会停止、聚合会发生重新定位

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ontap-9
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nas
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适用场景

  • ONTAP 9
  • NFSv4.x
  • NFSv3

问题解答

  • 当通过NFSv4向客户端提供数据的存储系统处于接管/恢复模式或执行聚合重新定位等操作时、I/O将停止。
  • NFSv4.x是一种与SMB/CCIFS类似的有状态协议。
  • 如果 使用有状态协议、则在更改所连接的接口时、可能会发生短暂中断。
  • 应用程序应在宽限期内恢复
  • 使用NFSv3时,如果将聚合重新定位到另一个节点,则在 locking.grace_lease_seconds  节点级别选项指定的持续时间内会发生NLM锁定回收, 因此 NFSv3访问 也会受到影响。

 

 

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