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CONTAP-447131: Concurrent Buffer Loads May Trigger a System Panic During Data Tiering

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ontap-9
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Issue

In a specific concurrent buffer-load condition during volume tiering, ONTAP may encounter an internal consistency check failure and the system may panic. The condition involves concurrent access to volume data while block locations are being updated.
 
PANIC: prod/common/wafl/buftree.c:4315: Assertion failure. in SK process wafl_exempt07

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