ASM Scan Disk Returns Different Result On Different Cluster Nodes

(Doc ID 2381642.1)

Last updated on MAY 03, 2018

Applies to:

Linux OS - Version Oracle Linux 6.4 with Unbreakable Enterprise Kernel [2.6.32] and later
Linux x86-64

Symptoms

After running oracleasm scandisks on nodes 2 and 3 in a cluster, listdisks does not show all of the disks:

#oracleasm listdisks
LOG0
LOG1

Only node 1 shows all the disks:

#oracleasm listdisks
LOG0
LOG1
LOG2
LOG3
LOG4

Changes

The storage team attempted to install a 3rd Party tool, "Infinidat Host Power Tool" and the customer upgraded the kernel node 1, coincidentally right before the problem started.

Cause

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