Oracleasm Is Not Showing ASM Disks After Reboot (Doc ID 2043733.1)

Last updated on MARCH 08, 2017

Applies to:

Linux OS - Version Oracle Linux 7.1 and later
Information in this document applies to any platform.

Symptoms

On : Oracle Linux 7.1 version, OracleASM linux kernel module

ACTUAL BEHAVIOR
---------------
Planning to install 12c clusterware on 2 node RAC environment .ASM is configured for auto startup.

/etc/init.d/oracleasm listdisks is not showing any ASM disks after node reboot.

EXPECTED BEHAVIOR
-----------------------
expect the listdisk command to show output

STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. install asmlib modules
2. boot the system
3. verify available disks using /etc/init.d/oracleasm listdisks

Cause

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