Duplicate Disks Found When Attempting to Create a Disk Group Using Raw Devices on Linux
Last updated on MARCH 22, 2018
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 to 22.214.171.124 [Release 10.2 to 11.2]
***Checked for relevance on 07-Nov-2012***
Attempting to create an ASM diskgroup fails since we detect duplicate disks for the same device.
Creation statement is ->
Fails with ->
ORA-15018: diskgroup cannot be created
ORA-15020: discovered duplicate ASM disk "EMCPOWERS1"
Raw Mapping is being used, we can verify the raw maps with ->
< this will list the major / minor's for the devices being mapped>
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