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デスティネーションONTAPのアップグレード後にSnapMirror更新が遅延する

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環境

ONTAP 9.x

問題

  • デスティネーションをアップグレードすると、同じ関係の転送時間が2秒から91 秒に増加します。 
  • アップグレード前の snapmirror update の所要時間は 1 分未満でした。

Fri Jul 23 23:00:02 HKT 2021 ScheduledUpdate[Jul 23 23:00:00]:c9e798a1-27ea-11eb-b27a-00a098e629b1 Operation-Uuid=59cf0e7c-2b1f-4609-882b-23a6b3ba736b Group=none Operation-Cookie=0 action=End source=svm:volname destination=svm:volname status=Success bytes_transferred=3040 network_compression_ratio=1.0:1 transfer_desc=Logical Transfer with Storage Efficiency - Optimized Directory Mode

  • アップグレード後、更新時間が 1 分以上に延長されます。

Tue Jul 27 12:59:31 HKT 2021 DelayedUpdate[Jul 27 12:58:00]:c9e798a1-27ea-11eb-b27a-00a098e629b1 Operation-Uuid=1675da6f-da96-4880-af3f-5443ad8a580b Group=none Operation-Cookie=0 action=End source=svm:volname destination=svm:volname status=Success bytes_transferred=3080 network_compression_ratio=1.0:1 transfer_desc=Logical Transfer with Storage Efficiency - Optimized Directory Mode Note=Delayed update operation is queued.
 

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