Skip to main content
NetApp Knowledge Base

Internal IO12E shelf reporting REFERENCE CLOCK FAULT

  1. Last updated
  2. Save as PDF
Views:
52
Visibility:
Public
Votes:
0
Category:
aff-series
Specialty:
hw
Last Updated:

Applies to

  • ONTAP 9
  • FAS2720

Issue

  • Internal Shelf enclosure status is reported as critical with REFERENCE CLOCK FAULT
Enclosure Status: critical
Channel: 0a
Shelf: 0
Shelf Type: DS212-12
Product Serial Number: SHXXXXXXXXXXXX
Module Type: IOM12E
 
Vendor Unique Element 83-IOM12E: (SAS)
Element Status         Status Bytes  Status Descriptions
1 [IOM12E A]    : CRITICAL          02,88,00,A1   MASTER, ADDITIONAL STATUS AVAILABLE, REFERENCE CLOCK FAULT, RESERVED, RESERVED
2 [IOM12E B]    : OK                01,00,00,20   RESERVED
 
  • Event logs show alerts similar to the following:

[Node-01: dsa_worker4: ses.status.ModuleError:alert]: DS212-12 (S/N SHXXXXXXXXXXXX) shelf 0 on channel 0a SAS expander error for SAS shelf electronics 1: critical status;Reference Clock Failure. This module is on the rear of the shelf at the top left, on shelf module A.

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.