Skip to main content
NetApp Knowledge Base

System reporting Mixed-Path HA with switch attached NS224 shelf

Views:
111
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
hw
Last Updated:

Applies to

  • ONTAP 9
  • NS224
  • Switch-attached

Issue

  • After hot-add of an additional switch-attached NS224 shelf nodes reporting Mixed-Path HA and DISK REDUNDANCY FAILED
  • No disks missing from sysconfig output
  • No storage faults or health alerts related to missing disks
  • AutoSupport disk-path output reports disk only seen through one NSM module
  • storage disk show -p also reports only seen through one NSM

 

Following output can be observed in the STORAGE-SHELF section of the ASUP after the problem occurred:

==================================
Shelf name:    0x.shelf17
Shelf id:      17
Channel:       0x
Module:        B  ★
Shelf UID:     00:a0:98:00:00:57:c9:b9
Shelf S/N:     95240000000000
Term switch:   N/A
Shelf state:   ONLINE
Module state:  OK

                 Device       Port         Negotiated    Medium       Device       Port          Negotiated   Received
Disk   Port      Max Link     Max Link     Link          Max Link     Max Lane     Max Lane      Lane         Error        Bad TLP      Bad DLLP     Uncorrectable  Correctable
Id     State     Speed        Speed        Speed         Speed        Width        width         width        Count        Count        Count        Errors         Errors
                 (GT/s)       (GT/s)       (GT/s)        (GT/s)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
[   0] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[   1] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[   2] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[   3] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[   4] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[   5] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[   6] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[   7] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[   8] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[   9] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[  10] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[  11] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[  12] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[  13] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[  14] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[  15] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[  16] OK        8.0          8.0          8.0           8.0          2            2            2             0            0            0            0              0
[  17] DIS/DLL   NA           8.0          2.5           8.0          0            2            0             0            0            0            0              8192    ★
==================================

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.