Skip to main content
NetApp Knowledge Base

System shows Single-Path HA due to one SAS connection lost

  1. Last updated
  2. Save as PDF
Views:
1,208
Visibility:
Public
Votes:
1
Category:
fas-systems
Specialty:
HW
Last Updated:

Applies to

  • FAS2650
  • FAS2720
  • FAS8000

Issue

  • 0b port is offline and SAS connection is in the state of Single path-HA from SYSCONFIG-A

 System Storage Configuration: Single-Path HA

 slot 0: SAS Host Adapter 0b (PMC-Sierra PM8070 rev. C, SAS, <OFFLINE (hard)>)
  Firmware rev:       03.08.09.00
  Base WWN:           Base_WWN
  Phy State:          [4] Enabled, Rate unknown
                      [5] Enabled, Rate unknown
                      [6] Enabled, Rate unknown
                      [7] Enabled, Rate unknown

  • Controller B is showing as CRITICAL from STORAGE-FAULT

Vendor Unique Element 83-IOM12E: (SAS)
Element Status         Status Bytes  Status Descriptions
  1 [IOM12E A]    : OK                01,08,00,20   MASTER, RESERVED
  2 [IOM12E B]    : CRITICAL          02,80,00,E1   ADDITIONAL STATUS AVAILABLE, REFERENCE CLOCK FAULT, RESERVED, EXCEPTION DATA VALID, RESERVED

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.