Desupport of Raw Disks on 11G R2

What is being announced?

In release 11.2, the Oracle installer and DBCA (Database configuration assistant) will no longer support raw/block devices for database files. . In addition, there will no longer be raw/block device support for storing the OCR and Voting Disks for new installs. Customers who create a new 11.2 database will need to store their database files in either ASM, a file system, or on an NFS filer. RAC database files must be stored on ASM, a certified clustered file system, or a certifed NFS filer.  OCR and Voting Disks must be stored on ASM or a certified NFS filer.

https://support.oracle.com/CSP/main/article?cmd=show&type=NOT&doctype=ANNOUNCEMENT&id=754305.1

See Section Oracle® Grid Infrastructure Installation Guide 11g Release 2 (11.2)

3.4  Desupport of Raw Disks

With the release of Oracle Database 11g release 2 (11.2) and Oracle RAC 11g release 2 (11.2), using Database Configuration Assistant or the installer to store Oracle Clusterware or Oracle Database files directly on raw disks is not supported.

If you intend to upgrade an existing Oracle RAC database, or an Oracle RAC database with Oracle ASM instances, then you can use a existing raw disks or raw logical volumes, and perform a rolling upgrade of your existing installation. Performing a new installation using raw disks or raw logical volumes is not allowed.

Enjoy..

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