Duplicate Disks Found when attempting to create a Disk Group using raw devices on Linux
Last updated on NOVEMBER 07, 2012
Applies to:Oracle Server - Enterprise Edition - Version 10.2.0.1 to 184.108.40.206 [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>
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms