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1 つの関係だけで SnapMirror が低速になるのはなぜですか

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dp
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環境

  • ONTAP 9
  • SnapMirror

回答

  • 転送サイズが大きい SnapMirror 転送では、原因の更新が遅延する可能性があります
    • 前回の更新処理がまだ実行されていたため、関係の更新スケジュールが遅れます。
    • snapmirror_audit ログのサンプル

Fri Jul 9 02:50:38 CEST 2021 DelayedUpdate[Jul 9 01:23:00]:Operation-Uuid=Group=none Operation-Cookie=0 action=Start source=:destination=:

Fri Jul  9 02:50:38 CEST 2021 DelayedUpdate[Jul  9 01:23:00]:Operation-Uuid= Group=none Operation-Cookie=0 action=End source= destination= status=Success bytes_transferred=130583077184 network_compression_ratio=1.0:1 transfer_desc=Logical Transfer with Storage Efficiency - Optimized Directory Mode Note=Delayed update operation is queued.

  •  SnapMirror関係ごとに個別に転送スロットルを制御できます。
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