Skip to main content
NetApp Knowledge Base

Disk aggressive flush start and end errors

Last Updated:

Applies to

  • ONTAP 9
  • FAS
  • AFF


  • Disk has an aggressive flush error and latency errors on the disks: [node03-nfshs101-mail-bf1:disk.timeout.flush.start:debug]: Aggressive timeout flush started on disk 3a.07.22L1. [node03-nfshs101-mail-bf1: disk.timeout.flush.end:debug]: Aggressive timeout flush ended on disk 3a.07.22L1.

  • ONTAP will fail the disk after running the correction algorithms and the below error will be displayed:

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.


Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.