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CONTAP-724805: Nested igroups allowing both parent and child igroups mapped to same LUN

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Issue

  • LUN mapping, creation, and deletion operations were timing out due to a stuck CTRAN proposal

  • CLI and EMS logs show LUN map/create/delete operations failing with
    "Timeout: Operation 'vdiskAction_lunMap_iterator::modify_imp()' took longer than 120 seconds to complete [from mgwd on node ... to bcomd at 127.0.0.1]"


  • Callhome alert:
    "callhome.ctran.proposal.stuck:alert"

    logged on Merapi-01

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