Skip to main content
NetApp Knowledge Base

FlexArray backend 3rd party storage panic causes aggregate and disk unknown

  1. Last updated
    Mar 10, 2022
  2. Save as PDF
Views:
192
Visibility:
Public
Votes:
0
Category:
v-series-flexarray
Specialty:
san
Last Updated:
3/10/2022, 8:44:59 AM

Applies to

  • ONTAP FlexArray
  • EMC Unity 600 Hybrid Flash Storage

Issue

  • Backend EMC UNITY 600 panics and failover event cause ONTAP to display disks as broken 
  • disk show displays LUNs as container-type unknown
  • Aggregate status unknown
  • No disks are listed in affected aggregate in storage aggregate show
  • Unable to unfail unknown disks
  • Alert:  ARRAY LUN CONNECTED USING ONLY ONE PATH
  • No Bad Volinfo or checkCondition found in EMS
  • storage show <unknown disk label> indicates active optimized and un-optimized paths are mixed up between nodes.
Acc Use
--- ---
AO  INU  
AO  INU  
ANO RDY
ANO RDY
AO  INU
AO  INU
AO  RDY
AO  RDY
  • Expected:
Acc Use
--- ---
ANO RDY
ANO RDY
AO  INU
AO  INU
ANO RDY
ANO RDY
AO  INU
AO  INU

 

 

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.