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ホスト上の LUN にアクセスする際のパフォーマンスの問題

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Category:
fc-series<a>SFP</a><a>TX</a><a>2008967516</a><a>LOW TX</a>
Specialty:
san
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環境

  • ONTAP 9
  • FCP
  • SAN

問題

  • ホスト上の LUN にアクセスしようとしたときに速度が低下しました
  • では、複数のエラーが発生 EMS-LOG-FILE.GZしています。

Wed Nov 03 02:02:59 CET [xxxxxx: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:xx IO WQE failure, Handle 0x0, Type 8, S_ID: 700D00, VPI: 3, OX_ID: 674, Status 0x3 Ext_Status 0x16  
Wed Nov 03 02:13:11 CET [xxxxxxx: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:xx IO WQE failure, Handle 0x1, Type 8, S_ID: 711300, VPI: 259, OX_ID: 442, Status 0x3 Ext_Status 0x16  
Wed Nov 03 06:22:37 CET [xxxxxxxxx: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:xx IO WQE failure, Handle 0x0, Type 8, S_ID: 7B0C00, VPI: 3, OX_ID: 20C, Status 0x3 Ext_Status 0x16  
Wed Nov 03 06:57:49 CET [xxxxxxxx: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:xx IO WQE failure, Handle 0x1, Type 8, S_ID: 7A0D00, VPI: 259, OX_ID: 248, Status 0x3 Ext_Status 0x16  

  • フロントエンドスイッチとONTAP 間のケーブルは交換済み。交換なし
  • 次のコマンドを使用して、Tx/Rx値を低下させる傾向があります。

Cluster::> fcp adapter show -node xxxxx -adapter xx

 

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