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FlexCache 卷写入操作因 NFS4ERR_DELAY 挂起

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ontap-9
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适用于

  • ONTAP 9
  • NFSv4.1
  • Flexcache
  • 启用回写功能的 Flexcache 卷
  • 多成分 FlexCache 卷

问题

  • 通过 NFSv4.1 访问时，对 FlexCache 卷的写入和删除操作会间歇性挂起。
  • 读取操作不受影响
  • 数据包跟踪显示 NFSv4.1 查找操作出现 NFS4ERR_DELAY 错误：
27412 10.1.1.11   10.1.1.9 NFS 12386 V4 Call (Reply In 27458) WRITE StateID: 0x961a Offset: 3698524160 Len: 65536V4 Call (Reply In 35027) LOOKUP DH: 0xa444455/cluster.com
35027 10.19.146.9 10.19.146.11 NFS 166 V4 Reply (Call In 27412) LOOKUP Status: NFS4ERR_DELAY

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