oracleasm deletedisk Unable to open device or resource busy failed Unable to clear disk (Doc ID 2301108.1)

Last updated on AUGUST 30, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 to 12.2.0.1 [Release 11.1 to 12.2]
Linux x86-64

Symptoms

After shutting down the database

$ oracleasm deletedisk –v <XXXXXX> fails with error

Clearing disk header: oracleasm-write-label: Unable to open device "</dev/oracleasm/disks/XXXXXX>": Device or resource busy

failed

Unable to clear disk "<XXXXXX>”

 

Verifying that the disk is not being accessed by a process or user

 

# fuser (nothing returned)

# lsof ( the output did not show any access to the specific device </dev/oracleasm/disks/XXXXXX> )

 

Cause

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