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ネットワークポートにCRCエラーが発生する間のファイルアクセスおよびパフォーマンスの問題

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core<a>2008982969</a><a>for -翻訳</a>
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環境

  • ONTAP 9
  • CIFS / NFS(NAS)
  • ネットワーク ポート
  • Cyclic Redundancy Check(CRC;巡回冗長検査)

問題

ネットワークポートにCRCエラーが発生する間のファイルアクセスおよびパフォーマンスの問題。
  • ポート上で報告されたCRCエラーの数が多い。例E4A:
Sat Nov 13 00:06:09 +0100 [cluster1-01: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port e4a on node cluster1-01 is reporting a high number of observed hardware errors, possibly CRC errors
 
  • 継続的なパケット損失:

Sat Nov 13 01:02:00 +0100 [cluster1-01: vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif ams2-cluster1-01_clus1 (node cluster1-01) to cluster lif cluster1-02_clus1 (node cluster1-02)

  • Nblad.CifsOperationTimedOut :
Sun Nov 14 08:07:56 +0100 [cluster1-01: kernel: Nblade_CifsOperationTimedOut_1:error]: params: {'remoteBladeID': '61a30da8-624a-11eb-b2e2-d039ea4631cc (cluster1-02)', 'cmdRestartCnt': '0', 'vserverId': '4', 'commandName': 'SMB2_COM_CLOSE', 'isQosEnabled': 'QoS_disabled', 'lastSpinNpError': 'SPINNP_NO_FO_ERROR', 'localIpAddress': '<local_IP>', 'lastCsmError': 'CSM_TIMEOUT', 'clientIpAddress': '<client_IP>', 'suspensionCnt': '31', 'dsId': '2084480404'}
 
  • ジャンクションルートの検索エラー:
Sun Nov 14 08:05:04 +0100 [cluster1-01: nblade2: Nblade.JunctionRootLookup2:error]: Junction root lookup of a volume in Vserver 5 with MSID 3221226001 has failed for reason "CSM_TIMEOUT".

 

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