ASMLib: oracleasm createdisk command fails: Device '/dev/emcpowera1 is not a partition [Failed] (Doc ID 469163.1)

Last updated on JULY 18, 2017

Applies to:

Linux OS - Version 2.0.3-1 and later
Linux x86
Linux x86-64
Linux Kernel - Version: 2.0.3-1
***Checked for relevance on 15-Feb-2016***
***Checked for relevance on 18-Jul-2017***

Symptoms

The "oracleasm createdisk" command fails with the following error despite the device having been correctly partitioned:

Marking disk "/dev/emcpowera1" as an ASM disk: asmtool: Device "/dev/emcpowera1" is not a
partition         [FAILED]

Changes

You are using EMC PowerPath version <= 5.3.0

Cause

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