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FabricPool 目标的 SnapMirror 传输速度较慢

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Category:
cloud-volumes-ontap-cvo
Specialty:
perf<a>2008485368</a>
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适用场景

  • ONTAP 9.5及更高版本
  • ONTAP 9.8及更高版本、适用于FAS型号
  • ONTAP Select
  • Cloud Volumes ONTAP

问题描述

  • 在目标(如Cloud Volumes ONTAP)上使用FabricPool时、传输速度开始时可能会更快、但会逐渐变慢、或者可能永远无法达到所需吞吐量。
  • SnapMirror Audit log 当SnapMirror最终失败时、可能会在中记录以下错误消息:

Thu Apr  8 08:43:16 UTC 2021 ResumedUpdate[Apr  7 20:00:00]:081d2038-72d8-11eb-aa21-1f6ad6153aa9 Operation-Uuid=7d7be0a0-ef06-4915-b72c-3090bbab9c0a Group=none Operation-Cookie=0 action=End source=SVM1:vol1 destination=svm_cvo_dr:vol1 status=Failure message=Transfer failed.(Volume access error(No space available in capacity tier staging area))

Failed to start transfer. (Duplicate transfer specified (Replication engine error)

  • Event log 发生故障之前的中也可能会出现以下错误:

Tue Nov 08 14:29:27 +1100 [netapp-01: wafl_exempt02: wafl.repl.send.blocks.err:debug]: params: {'SnapMirrorID': '<SnapMirrorID>', 'cpCount': '2079', 'errString': 'Undefined error: 487', 'writeLen': '232144', 'fhFileid': '505', 'errorCode': '487', 'volFsid': '<volFsid>', 'writeOffset': '1792924839936', 'file': 'prod/common/wafl/ng/write.c', 'file_space': 'local metafile', 'volName': '<volName>', 'line': '2376', 'wafl_restarts': '1'}

 

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