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在Linux内核更新之后、NFS速度较慢、并出现许多额外的拒绝访问调用

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nas<a>2009523685</a><a>用于翻译</a>
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适用场景

  • Linux
  • NFS
  • ONTAP 9

问题描述

  • 在NFS客户端主机上更新Linux内核版本后、通过NFS访问文件所需时间比正常情况要长
  • 数据包跟踪跟踪显示、内核版本较新的NFS客户端发出的访问调用比内核版本较旧的NFS客户端多、并且许多访问调用被拒绝。
  • 具有较新内核的客户端示例
    • uname -a
      • Linux qwe-rty12 5.19.0-35-generic #36~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Fri Feb 17 15:17:25 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
    • Linux内核更新后、NFS速度较慢、并会发出许多额外的拒绝访问调用
  • 使用旧内核的客户端示例
    • uname -a
      • Linux qwe-rty34 5.15.0-56-generic #62~20.04.1-Ubuntu SMP Tue Nov 22 21:24:20 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
    • Linux内核更新后、NFS速度较慢、并会发出许多额外的拒绝访问调用

 

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