How to Check the Status of ASM Filter Driver Using afddriverstate

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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]

How to Check ASM AFD Driver is Supported on Your Server
$ afddriverstate supported
AFD-9200: Supported

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

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 ()..

How to Check ASM AFD Driver Loaded$
afddriverstate loaded
AFD-9205: AFD device driver loaded status: 'true'

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