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

  1. Last updated
    Mar 10, 2022
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193
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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

 

 

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