|Oracle® Database Platform Guide 11g Release 2 (11.2) for
Microsoft Windows |PDF · Mobi · ePub| This appendix contains
these topics: Note:Oracle RAC requires additional configuration
tools. See Oracle Real Application Clusters Administration and
Deployment Guide for information on creating logical partitions
and assigning symbolic links. Do not use this appendix to create
partitions for Oracle RAC. Datafiles for tablespaces can be
stored on a file system or on raw partitions. A raw partition is
a portion of a physical disk that is accessed at the lowest
possible level. Input/output (I/O) to a raw partition offers
approximately a 5% to 10% performance improvement over I/O to a
partition with a file system on it. A physical disk represents
the entire disk and points to the following: Symbolic link name
x is automatically defined by Windows for every hard disk in the
computer. For example, a computer with three hard disks will
have the following symbolic links: \\.\PhysicalDrive0
\\.\PhysicalDrive1 \\.\PhysicalD