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如果在 SVM 上启用了 pNFS ,则 nfsv4.1 客户端的读 / 写操作可能会挂起

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Category:
ontap-9
Specialty:
nas<a>1087520</a><a>NFS进程停滞</a><a>NFSERR_DELAY</a>
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适用场景

  • ONTAP 9
  • 启用了 pNFS 的 NFSv4.1

问题描述

  • 当 NFSv4.1 客户端尝试在启用了 pNFS 的情况下对 SVM 进行读 / 写时,操作将挂起或可能会注意到延迟。
  • 同时,客户端会将此错误记录 在 /var/log/messages以下位置: 

nfs: [LIF address/hostname] server not responding 

130 2019-04-24 14:05:43.899496 0.000129000 0 10.1.1.46 10.1.1.209 NFS 816,2049 248 V4 Call (Reply In 131) LAYOUTGET
131 2019-04-24 14:05:43.899535 0.000039000 0 10.1.1.209 10.1.1.46 NFS 2049,816 248 V4 Reply (Call In 130) LAYOUTGET
132 2019-04-24 14:05:43.899632 0.000097000 0 10.1.1.46 10.1.1.209 NFS 816,2049 176 V4 Call (Reply In 133) GETDEVINFO
133 2019-04-24 14:05:43.899664 0.000032000 0 10.1.1.209 10.1.1.46 NFS 2049,816 152 V4 Reply (Call In 132) GETDEVINFO
Opcode: GETDEVINFO (47)
    r_netid: tcp
        length: 3
        contents: tcp
        fill bytes: opaque data
    r_addr: 10.1.1.208.8.1
        length: 17
       contents: 10.1.1.208.8.1 <<<<< LIF that is local to the node where the volume resides. But this LIF is not reachable from client.

 

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