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Storage Replication Adapter:「読み取りがタイムアウトしました」API呼び出しが原因でSyncOnce処理が失敗します

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Category:
ontap-storage-replication-adapter
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virt
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環境

  • ONTAP Storage Replication Adapterの略

問題

Storage Repliation Adapter(SRA)は SyncOnce  、この処理を使用して、保護されているボリュームのSnapMirror更新を実行します。  SyncOnce この処理は、次のSRMワークフローで開始されます。

  • テストフェイルオーバー
  • 計画的な移行

SnapMirror関係が多数ある環境では、次の問題が表示されます。

  • SyncOnce処理が「Unknown」エラーで失敗します。  このエラーのエラーコードは4001です
  • vvolvp.logで操作を確認すると、次のようになります。
    • SnapMirrorの更新は、実際には成功する可能性があります。
      • 2023-07-06T00:39:30,352Z (DEBUG)[pool-3-thread-1] [] updateSnapMirror:
        2023-07-06T00:39:30,352Z (DEBUG)[pool-3-thread-1] [] Sending-1861: <snapmirror-update><destination-location>volume</destination-location><source-location>volume</source-location></snapmirror-update>
        2023-07-06T00:39:30,739Z (DEBUG)[queue-manager] [task-manager-queue-manager] Task 10074301 is in state Running
        2023-07-06T00:39:31,135Z (DEBUG)[pool-3-thread-1] [] Received-1861: <results status='passed'><result-operation-id>12345</result-operation-id><result-status>succeeded</result-status></results>
        2023-07-06T00:39:31,135Z (DEBUG)[pool-3-thread-1] [] SnapMirror update started for cluster:volume
        2023-07-06T00:39:31,135Z (DEBUG)[pool-3-thread-1] [] SnapMirror update returned status succeeded
    • ただし snapmirror-get-iter 、SnapMirrorの更新に続くAPI呼び出しがタイムアウトします。
      • 2023-07-06T00:39:31,635Z (DEBUG)[pool-3-thread-1] [] Sending-1862:<snapmirror-get-iter><max-records>500</max-records><query><snapmirror-info><relationship-group-type>none</relationship-group-type></snapmirror-info></query></snapmirror-get-iter>
        ..
        2023-07-06T00:39:49,094Z (WARN )[pool-3-thread-1] [] invokeZAPI(0): failed OntapConnectionImpl{ipAddress=host.domain, userName=user, port=443, ssl=true} (IOException): Read timed out null
        2023-07-06T00:39:49,094Z (DEBUG)[pool-3-thread-1] [] slow-zapi-1862 redacted.domain: 17654 ms
        2023-07-06T00:39:49,095Z (ERROR)[pool-3-thread-1] [] com.netapp.offtap3.ontap.SvmOperationException: Could not get snapmirror-get-iter for com.netapp.offtap3.internal.ontap.VServerConnection@12345
        ..
        2023-07-06T00:39:49,095Z (ERROR)[pool-3-thread-1] [] Caused by: com.netapp.offtap3.ontap.ApiFailedException: Read timed out (errno=5)

 

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