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CONTAP-812020: disaggregated ONTAP: space rebalancing does not trigger

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ontap-9
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Issue

  • Running disaggregated ONTAP (ASAr2 or AFX) 917.1, 9.18.1 or 9.19.1
  • Disaggregated ONTAP space rebalancing fails to move freespace Allocation Areas (AA) from one node to the partner to rebalance space usage
  • One node runs out of space while the other node has in theory enough space available:

    ::> df -x -A
    Aggregate kbytes used avail capacity
    dataFA_2_p0_i1 12893126400 12391448112 501678288 96%
    dataFA_4_p0_i1 21905291520 16471978920 5433312600 75%
    :: df -x -A
    Aggregate kbytes used avail capacity
    dataFA_2_p0_i1 12893126400 12893126400 0 100%
    dataFA_4_p0_i1 21905291520 16490286552 5415004968 75%

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