How to Check the Status of ASM Filter Driver Using afddriverstate

You can use afddriverstate to display detailed information on the current state of the Oracle ASM Filter Driver

Syntax
 afddriverstate [-h] [-orahome <home_path>] {installed | loaded | version | supported} [-s]
$ afddriverstate -h
AFD-651: Usage: afddriverstate [-h] [-orahome <home_path>] {installed | loaded | version | supported} [-s]
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How to Check ASM AFD Driver is Supported on Your Server

$ afddriverstate supported
AFD-9200: Supported

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How to Check ASM AFD Driver is Installed

$ afddriverstate installed
AFD-9203: AFD device driver installed status: 'true'
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How to Check ASM Which AFD Driver Version is Installed

$ afddriverstate version
AFD-9325:     Driver operating system kernel version = 4.1.12-32.el7uek.x86_64(x86_64).
AFD-9326:     Driver Oracle version = 161110.
AFD-9212:     Driver build version = 12.2.0.1 ()..

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How to Check ASM AFD Driver Loaded

$ afddriverstate loaded
AFD-9205: AFD device driver loaded status: 'true'

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