Skip to main content
NetApp Knowledge Base

CRC on the MetroCluster IP switches

  1. Last updated
  2. Save as PDF
Views:
471
Visibility:
Public
Votes:
0
Category:
metrocluster
Specialty:
metrocluster
Last Updated:

Applies to

  • ONTAP 9.x
  • MetroCluster IP
  • MetroCluster IP switches

Issue

  • CRC errors on switch ISL port.
  • Excessive network errors like the ones below reported in the event log:
    • [node032: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting ...

    • [node032: ERROR scsi.cmd.abortedByHost: Disk device 0m.i1.3L29: Command aborted by host adapter: HA status 0x13: cdb 0x2f:17d99000:0400.

    • [node031: doneq0: scsi.mcc.adt.ioTransportError:error]: mcc_adt[6] - Transport error during execution of command ...
    • [node032: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port e0a on node node032 is reporting a high number of observed hardware errors, possibly CRC errors.
    • [node032: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: CRC Errors Detected - High CRC errors detected on port e0a node node032

 

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.