Grid Infrastructure on Windows: oracleacfs.sys Driver Causes Windows Blue Screen (bugcheck 0xd1 - DRIVER_IRQL_NOT_LESS_OR_EQUAL)
(Doc ID 2291691.1)
Last updated on FEBRUARY 23, 2022
Applies to:
Oracle Database Backup Service - Version N/A and laterOracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Microsoft Windows x64 (64-bit)
Symptoms
While running 12.2.0.1 Grid Infrastructure (standalone or clustered) on Windows, the server suffers a blue screen / bugcheck with the resulting memory.dmp (crash file) indicating oracleacfs.sys
Changes
Very IO intensive operations against a large ASM Cluster File System (ACFS) drive
Cause
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