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NetApp Stage KB

Switchback failing due "disks were left behind during switchback"

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Category:
metrocluster
Specialty:
MetroCluster
Last Updated:

Helpful 

Applies to

  • AFF-A800
  • Internal shelf

Issue

  • During resillience testing following is observed when performing switchback:
Cluster_A (manual recovery required): Some disks were left behind during switchback. They are listed along with a reason for failure: 2.11.15 (no error)
If any of these disks are failed, replace them. Otherwise use the "metrocluster switchback" command again to return the disks to their original owner. Use the "storage disk show -dr-home-id !- -fields dr-home, container-type, aggregate" command for more details on the status of the left-behind disks.
 
  • The internal disk is missing path from partner node node_A_2
  • The missing path is not reported when running following command:
 
Cluster_A::> storage disk show -disk 2.11.15
                  Disk: 2.11.15
        Container Type: shared
            Owner/Home: node_A_1 / node_A_1
    
Paths:
                                LUN  Initiator Side       
Controller         Initiator     ID  Switch Port          
------------------ ---------  -----  --------------------
node_A_1           0n            17  N/A                  
---------

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