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Don Burleson Blog 







Oracle 11g release 2: Renaming ASM Disk Groups

Oracle11g release 2Tips by Burleson Consulting
August 11, 2008


Renaming Disk Groups in 11gR2

by Lutz Hartmann, Oracle ACE

The new command line interface renamedg can be used to rename a diskgroup. Before we can rename a diskgroup is must be dismounted on all cluster nodes. Renaming a diskgroup is a two step operation:

First it is necessary to create a configuration file:

$ renamedg -phase one - MY_OLD_DiskGroup MYOLDDG -newdgname MY_NEW_DiskGroup -config /tmp/my_newdg.conf

As the second step we use the configuration file by running the following command:

$ renamedg -phase two -config /tmp/my_newdg.conf

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