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  • ESX 主机将定期丢失对 LUN 以及聚合的访问权限 报告长 CP
    https://kb-cn.netapp.com/on-prem/ontap/OHW/OHW-KBs/ESX_Hosts_losing_access_to_LUNs_regularly_along_with_Aggregate_reporting_long_CP_s
    适用场景 ONTAP 9.x VMware ESXi 6.7 (Update 3) Cisco UCS B200M4/5 vmhba0:C0:T66:L43 is down. Affected datastores: Path redundancy to storage device naa.xyz degraded. Path vmhba1:C0:T78:L10 is down. Affecte...适用场景 ONTAP 9.x VMware ESXi 6.7 (Update 3) Cisco UCS B200M4/5 vmhba0:C0:T66:L43 is down. Affected datastores: Path redundancy to storage device naa.xyz degraded. Path vmhba1:C0:T78:L10 is down. Affected datastores: ONTAP报告 长 一致点或后2一致点(CP) wafl_exempt00: wafl.cp.toolong:error]: Aggregate_xyz_sata_aggr1 experienced a long CP. WARNING: ScsiDeviceIO: 12345: Device naa.123456 performance has deteriorated. I/O latency increased from average value of 8000 microseconds to 1000008 microseconds
  • 工作负载增加时 SATA 或 SAS 磁盘上的卷响应时间较长（性能容量超过严重阈值）
    https://kb-cn.netapp.com/on-prem/ontap/Perf/Perf-KBs/High_response_times_for_volumes_on_SATA_or_SAS_disks_when_workload_increases_Performance_Capacity_beyond_critical_threshold
    文章介绍了工作负载增加时 SATA 或 SAS 磁盘上的卷的响应时间较长的原因，以及减少，错开或监控导致磁盘延迟和利用率较高的工作负载所需执行的操作。