网络端口上存在CRC错误时的文件访问和性能问题
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适用场景
- ONTAP 9
- CIFS或NFS (NAS)
- 网络端口
- Cyclic Redundancy Check(循环冗余校验)(CRC)
问题描述
网络 端口上存在CRC错误时出现文件访问和性能问题。
- 端口上报告了大量CRC错误;例如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
- 持续丢包:
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)
- Nblade。 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'}
- 接合根查找错误:
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".
- EMS中报告了Secd和DNS超时错误:
secd.lsa.noServers: None of the LSA servers configured for Vserver (SVM1) are currently accessible via the network.
secd.dns.srv.lookup.failed: DNS server failed to look up service (_ldap._tcp.dc._msdcs.domain.com) for vserver (SVM1) with error (Operation timed out).
secd.dns.server.timed.out: DNS server 192.xx.xx.xx did not respond to vserver = SVM1 within timeout interval.