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extratype
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ReFS filesystem not responding periodically
(Also posted on Q&A) Storage spaces, Simple (no parity), Thin provisioning Virtual disk larger than 100 TB, 10's of TBs used ReFS 3.7 The filesystem is not responding for about 1 minute, for every ~25 minutes according to the Microsoft-Windows-ReFS/Operational event log (Event ID 147).A thread in the System process has ~100% core usage so I took a stack trace: ntoskrnl.exe!KiDeliverApc+0x1b6 ntoskrnl.exe!KiApcInterrupt+0x328 ReFS.SYS!CmsRotatingSkipList<_RANGE,SmsAllocationRegionEx,OrderByStartOfRange,RegionLockPolicies>::InlineRebalance+0x98 ReFS.SYS!CmsRotatingSkipList<_RANGE,SmsAllocationRegionEx,OrderByStartOfRange,RegionLockPolicies>::Add+0x1d0 ReFS.SYS!CmsAllocator::SplitRangeOnlyRegion+0x386 ReFS.SYS!CmsAllocator::PinBitmapRegion+0x3176c ReFS.SYS!CmsAllocator::TryProtectRangeIfDurablyFree+0x9b ReFS.SYS!CmsThinProvisioning::UnmapWorkItemMethod+0x2e4 ReFS.SYS!<lambda_9a1cd484752ca8e9f6e914453bf80744>::<lambda_invoker_cdecl>+0x15 ReFS.SYS!MspWorkerRoutine+0x46 ntoskrnl.exe!ExpWorkerThread+0x14f ntoskrnl.exe!PspSystemThreadStartup+0x55 ntoskrnl.exe!KiStartSystemThread+0x341.5KViews0likes6Comments
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