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磁盘主动式刷新启动和结束错误

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适用场景

  • ONTAP 9
  • FAS
  • AFF

问题描述

  • 磁盘上存在严重的转储错误和延迟错误:

node03-nfsxxx.mail.bf1.inc.com [node03-nfshs101-mail-bf1:disk.timeout.flush.start:debug]: Aggressive timeout flush started on disk 3a.07.22L1.

node03-nfsxxx.mail.bf1.inc.com [node03-nfshs101-mail-bf1: disk.timeout.flush.end:debug]: Aggressive timeout flush ended on disk 3a.07.22L1.

  • ONTAP 将在运行更正算法后使磁盘出现故障、并显示以下错误:

node03-nfsxxx-mail-bf1: disk_latency_monitor: shm.threshold.highIOLatency:error]: Disk 3b.02.14L1 exceeds the average IO latency threshold and will be recommended for failure.