Skip to main content
NetApp Knowledge Base

CONTAP-252261: Drive failure causing long IO delays

  1. Last updated
  2. Save as PDF
Views:
153
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
CORE
Last Updated:

Issue

  • When an drive returns a non-retriable IO error, ONTAP may incorrectly keep retrying the IO.
  • ONTAP will then take a long time to fail the drive resulting in IO delays that may affect clients (like ESX).

[Node1: scsi_cmdblk_strthr_admin: scsi.cmd.notReadyConditionEMSOnly:debug]: Disk device 0v.i1.1L34: Device returns not yet ready: CDB 0x2a:37e2f0f0:0001: Sense Data SCSI:not ready - (0x2 - 0x4 0x0 0x82)(32559).
[Node1:raid.label.io.writeError:notice]: Label write on Disk /aggr1/plex1/rg1/0v.i1.1L34 ... failed with storage error disk operation timed out
wafl_exempt02: wafl.cp.toolong:error]: Aggregate aggr1 experienced a long CP.
kernel: Nblade.nfsLongRunningOp:debug]: Detected a long running network process operation...

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.