Figure A-5 shows these options on the Storage Options window.
File Locations
The next window after you configure your ASM environment, shown in Figure A-6, is where you
select the locations for datafiles, control files, and redo log files, as well as the archiving and
backup and recovery locations. You can use the locations provided with the template, provide
your own single location for all files, or configure OMF (Oracle-Managed Files) for this database.
In all cases, you will have the option to fine-tune these locations in a later step. In this example,
you use the ASM disk group +DATA to store all files.
New to Oracle 10g is the concept of a Flash Recovery Area. This is a dedicated location on
disk, separate from the location of the database??™s operational files, containing the backup files
from RMAN. It is highly recommended that you use a Flash Recovery Area so that RMAN can
more easily manage backup and recovery operations. As mentioned previously in this chapter,
be sure that the Flash Recovery Area is large enough to hold at least two copies of all datafiles,
incremental backups, control files, SPFILEs, and archived redo log files that are still on disk.
Figure A-7 shows the window where you specify the location of the Flash Recovery Area, along
with its size; in this example, the Flash Recovery Area will reside in the ASM disk group +RECOV
with a maximum size of 8GB.
FIGURE A-5 Storage Options window
644 Oracle Database 11g DBA Handbook
FIGURE A-6 Database File Locations window
FIGURE A-7 Recovery Configuration and Locations window
Appendix: Installation and Configuration 645
You can also enable ARCHIVELOG mode, as well as specify the location or locations for
the archived redo log files.
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