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HA Pair will run out of space over the next space exhaustion window of 14 days

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Applies to

  • ONTAP 9.16.1
  • ASAR2

Issue

  • EMS reports "all.aggrs.full:alert"

aps.all.aggrs.full:alert: All flexaggrs "dataFA_2_p0_i1, dataFA_4_p0_i1" in the HA Pair will run out of space over the next space exhaustion window of "14 days".

  • From mgwd logs we could see the alert to be triggered during the Balanced placement job being run 

Starting of Balanced placement
00000016.005ac76c 08d3ddb0 Mon Feb 23 2026 00:10:01 +05:30 [kern_mgwd:info:4112] 0x82bc8f200: 0: NOTICE: AtomicJob::JobBase: src/job/JobBase.cc:run:38 enter: starting job 22: Balanced Placement Rebalance job for cluster

Both Flex aggr reporting risk 
00000016.005ac78b 08d3ddb0 Mon Feb 23 2026 00:10:01 +05:30 [kern_mgwd:info:4112] 0x82bc8f200: 0: ERR: APS::Rebalance: src/rebalance/Rebalance.cc:updateAggrData:1024 Aggr dataFA_2_p0_i1 with uuid: 28d8c972-xxxx-zzzz-yyyy-dd3583c8636d, size: 79831488135168, projected growth: 22903678963410, futureUsedSpace: 78252093243090 systemReserveSpace: 2394944644056, is atRisk: 1
00000016.005ac7a3 08d3ddb0 Mon Feb 23 2026 00:10:01 +05:30 [kern_mgwd:info:4112] 0x82bc8f200: 0: ERR: APS::Rebalance: src/rebalance/Rebalance.cc:updateAggrData:1024 Aggr dataFA_4_p0_i1 with uuid: d1b0c398-xxxx-zzzz-yyyy-cfbe3065c6ba, size: 79831488135168, projected growth: 32625305551860, futureUsedSpace: 104812642198516 systemReserveSpace: 2394944644056, is atRisk: 1

After calculating the Future usage
00000016.005ac7a4 08d3ddb0 Mon Feb 23 2026 00:10:01 +05:30 [kern_mgwd:info:4112] 0x82bc8f200: 0: ERR: APS::Rebalance: src/rebalance/Rebalance.cc:updateAggrData:1070 All aggrs dataFA_2_p0_i1, dataFA_4_p0_i1 are at risk of running out of space in the next rebalance window of 14 days

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