Skip to main content
NetApp Knowledge Base

Shelf fault due to internal SAS cluster port failure

  1. Last updated
  2. Save as PDF
Views:
28
Visibility:
Public
Votes:
0
Category:
fas-systems
Specialty:
hw
Last Updated:

Applies to

  • FAS2720
  • Systems have internal enclosures only，no external shelves are attached.

Issue

  • The controller of Node A was previously replaced due to a failure.
  • Ports 0b on Node A and 0a on Node B have disabled PHY states.
    • Node A: 0b ports [4][5][6] disabled

    slot 0: SAS Host Adapter 0b (PMC-Sierra PM8070 rev. C, SAS, )
        Firmware rev: 03.08.09.00
        Base WWN:           5:XXXXXX:00XXXX5:34
        Temperature:        Not Available
        Phy State:          [4] Disabled
                            [5] Disabled
                            [6] Disabled
                            [7] Enabled, 12.0 Gb/s

    • Node B: 0a ports [0][1][2] disabled

    slot 0: SAS Host Adapter 0a (PMC-Sierra PM8070 rev. C, SAS, )
        Firmware rev: 03.08.09.00
        Base WWN:           5:XXXXXX:00XXXX9:b0
        Temperature:        Not Available
        Phy State:          [0] Disabled
                            [1] Disabled
                            [2] Disabled
                            [3] Enabled, 12.0 Gb/s

  • Node B cannot see Node A's onboard IOM, resulting in DISK REDUNDANCY FAILED notification.

 [?]  Fri Jun 20 08:54:55 +0900 [Node B: dsa_disc: shelf.config.tospha:info]: System has transitioned to single path HA attached storage
 [?]  Fri Jun 20 08:54:55 +0900 [Node B: dsa_disc: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED

 

  • sysconfig -a on Node B no longer displays IOM12E firmware

Shelf 0: DS212-12  Firmware rev. IOM12E A:           IOM12E B: 0230

  • Node A shows Multi-Path HA, but Node B shows Single-Path HA, as it cannot see 0a path disks

 

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.