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 JULY 31, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 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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