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チェックサムの不一致またはアンマーシャルエラーが発生してSnapMirror転送が失敗する

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Category:
snapmirror
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dp
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環境

  • ONTAP 9
  • SnapMirror
  • ネットワーク

問題

  • SnapMirrorデスティネーションの/etc/log/snapmirror_audit ログに表示されるチェックサムまたは整合性に関する次のエラーが1つ以上表示されて、SnapMirror転送が失敗します。
    • Fri Dec 01 10:00:00 EST 2015 ScheduledUpdate[Dec 01 09:30:00]:67890123-a123-a123-a123-123456789012 action=Defer source=sourceSVM:sourceVolume destination=destinationSVM:destinationVolume status=Failure message=Transfer failed.(Checksum mismatch(Replication engine error))
    • 2024 ScheduledUpdate[Sep  1 04:15:00]:(Relationship ID) Operation-Uuid=() Group=none Operation-Cookie=0 action=Defer source=SVM:Volume destination=SVM:Volume status=Failure message=Transfer failed.(Replication operation request failed from Cluster Id: (Source Cluster), Node Id: (Source Node) to Cluster Id: (Destination Cluster), Node Id: (Destination Node) due to a network error(CSM: Request was canceled because of a connection failure.))
    • Fri Dec 01 10:00:00 EST 2015 ScheduledUpdate[Dec 01 09:30:00]:67890123-a123-a123-a123-123456789012 action=Defer source=sourceSVM:sourceVolumedestination=destinationSVM:destinationVolume status=Failure message=Transfer failed.(Replication operation integrity check failed due to transmission glitch or network issue.)Failed to start transfer for Snapshot copy "daily.xxxx-xx-xx-xxxx". (CSM: Operation referred to a non-existent session.)Failed to get information for source volume "SVM1:Vol1" for setup of transfer. (CSM: Operation referred to a non-existent session.)
  • SnapMirrorは、次のクラスタセッションマネージャ(CSM)アンマーシャリングエラーの1つまたは複数で失敗することもあります(または、失敗することもあります)。
    • Fri Dec 01 10:00:00 EST 2015 ScheduledUpdate[Dec 01 09:30:00]:67890123-a123-a123-a123-123456789012 action=Defer source=sourceSVM:sourceVolumedestination=destinationSVM:destinationVolume status=Failure message=Failed to get information forsource volume "sourceSVM:sourceVolume" for setup of transfer.(Internal error: failed to unmarshal SnapMirror control operation data.)
    • Fri Dec 01 10:00:00 EST 2015 ScheduledUpdate[Dec 01 09:30:00]:67890123-a123-a123-a123-123456789012 action=Defer source=sourceSVM:sourceVolumedestination=destinationSVM:destinationVolume status=Failure message=Transfer failed.(Error unmarshaling replication operation data on Cluster Id: a988b145-ab97-11e4-ab5e-123478563412, Node Id: 0b312839-3591-11ea-bf38-d039ea131e94(idl unexpected case))
  • ソースクラスタems.logで次のエラーが発生することがあります。

Tue Aug 13 08:13:28 -0500 [FAS8200-Bot: kernel: netif.tcp.conn.bad.checksum:error]: TCP packet with bad checksum detected on port (IC Lif port). The packet arrived on connection with source address (IC Lif IP) and destination_address (IC Lif IP).

 

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