Skip to main content
NetApp Knowledge Base

ses.multipath.ReqError After Adding a New Disk Shelf

Views:
97
Visibility:
Public
Votes:
0
Category:
metrocluster
Specialty:
metrocluster
Last Updated:

Applies to

  • MetroCluster
  • ATTO FibreBridge

Issue

After adding a new disk shelf, the following message is appearing in event logs:

ses.multipath.ReqError: SAS disk shelf detected without a multipath configuration

When reviewing the sysconfig -a output, a shelf is missing on each FibreChannel port connected to the ATTO FibreBridge:
 
Example:
 
Port a:
 
FC-to-SAS Bridge:
(...)
SW1:1-9.shelf00: DS460-12  Firmware rev. IOM12 A: 0281  IOM12 B: 0281	
SW1:1-9.shelf01: DS460-12  Firmware rev. IOM12 A: 0281  IOM12 B: 0281	
SW1:1-9.shelf02: DS460-12  Firmware rev. IOM12 A: 0281  IOM12 B: 0281	
SW1:1-9.shelf03: DS460-12  Firmware rev. IOM12 A: 0281  IOM12 B: 0281

 

Port c:

 

FC-to-SAS Bridge:
(...)
SW1:1-10.shelf01: DS460-12  Firmware rev. IOM12 A: 0281  IOM12 B: 0281	
SW1:1-10.shelf02: DS460-12  Firmware rev. IOM12 A: 0281  IOM12 B: 0281	
SW1:1-10.shelf03: DS460-12  Firmware rev. IOM12 A: 0281  IOM12 B: 0281	
SW1:1-10.shelf04: DS460-12  Firmware rev. IOM12 A: 0281  IOM12 B: 0281

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.