Skip to main content
NetApp Knowledge Base

CRC Errors seen on data ports after a head upgrade

  1. Last updated
  2. Save as PDF
Views:
762
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
hw
Last Updated:

Applies to

  • AFF systems
  • FAS systems
  • Head Upgrade (aka headswap)
  • CRC Errors on Data ports
  • ONTAP 9

Issue

  • After head upgrade incremental CRC Errors are shown on Network Interface Card (NIC) RECEIVE of ifstat:
 

::>node run -node node_name ifstat  

-- interface e5a (1 day, 2 hours, 8 minutes, 13 seconds) --
RECEIVE
Total frames: 1204m | Frames/second: 12804 | Total bytes: 2921g
Bytes/second: 31043k | Total errors: 1012 | Errors/minute: 1
Total discards: 8927k | Discards/minute: 5693 | Multi/broadcast: 147k
Non-primary u/c: 0 | CRC errors: 780 | Long frames: 1
-- interface e5b (1 day, 2 hours, 8 minutes, 10 seconds) --

RECEIVE
Total frames: 1609m | Frames/second: 17101 | Total bytes: 3317g
Bytes/second: 35263k | Total errors: 965 | Errors/minute: 1
Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 187k
Non-primary u/c: 0 | CRC errors: 832 | Long frames: 0
  • Reviewed Switch logs and determined no CRC errors seen
  • All Hardware (cabling, SFP ) were checked

 

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.