This section provides the following information about storage management for Oracle RAC:
Storage Management Requirements for Oracle Grid Infrastructure
Storage Management Requirements for the Support for Oracle RAC Database
Storage Management Requirements for Oracle Database Binary Files and Configuration Files
Support for Oracle RAC enables you to use the storage management schemes for Oracle Database files that are listed in the following tables. The tables summarize the types of Oracle Database files or Oracle Grid Infrastructure files that each storage management scheme can store. Ensure that you choose a combination of storage management schemes that can store all types of Oracle Database files.
The meaning of each symbol in the tables is as follows:
Indicates that the storage management scheme can store the type of Oracle Database file.
Indicates that the storage management scheme can store the type of Oracle Database file starting with Oracle Database version 12c release 1, but not for version 11g release 2.
Indicates that the storage management scheme cannot store the type of Oracle Database file.
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For more information, see the documentation for database storage options in the Oracle Database installation guide for your version of Oracle Database.
Oracle Grid Infrastructure binary installation files are supported on the following storage management schemes:
Qualified network-attached storage (NAS) devices
Local file systems
Oracle Grid Infrastructure Oracle cluster registry (OCR) and voting disks are supported on the following storage management schemes:
Solaris Volume Manager for Sun Cluster
Hardware redundant array of independent disks (RAID) support
Sun QFS shared file systems, with either hardware RAID support or Solaris Volume Manager for Sun Cluster
Qualified network-attached storage (NAS) devices
Oracle ASM
Cluster file systems
(Starting with Oracle Database 12c) Oracle ACFS file systems
You can use the following storage management schemes for the Support for Oracle RAC database:
Solaris Volume Manager for Sun Cluster
Hardware redundant array of independent disks (RAID) support
Sun QFS shared file systems with hardware RAID support or with Solaris Volume Manager for Sun Cluster
Qualified network-attached storage (NAS) devices
Oracle ASM
(Starting with Oracle Database 12c) Oracle ACFS file systems
Caution - To avoid experiencing possible performance degradation or failures of the SUNW.ScalDeviceGroup probe, do not configure Oracle ASM with Solaris Volume Manager mirrored logical volumes. |
You can install the Oracle Database binary files and configuration files on one of the following locations.
The local disks of each cluster node. See Using Local Disks for Oracle Database Binary Files and Configuration Files for additional information.
A shared file system from the following list:
Sun QFS shared file systems
File systems on a qualified NAS device
PxFS-based cluster file systems
ACFS file systems
See Using a Shared File System for Oracle Database Binary Files and Configuration Files for additional information.
Placing the Oracle Database binary files and configuration files on the individual cluster nodes enables you to upgrade the Oracle Database application later without shutting down the data service.
The disadvantage is that you then have several copies of the Oracle Database application binary files and Oracle Database configuration files to maintain and administer.
To simplify the maintenance of your Support for Oracle RAC installation, you can install the Oracle Database binary files and configuration files on a shared file system.
The following shared file systems are supported:
Sun QFS shared file systems
File systems on a qualified NAS device
PxFS-based cluster file systems using Solaris Volume Manager
ACFS file systems
If you put the Oracle Database binary files and configuration files on a shared file system, you have only one copy to maintain and manage. However, you must shut down the data service in the entire cluster to upgrade the Oracle Database application. If a short period of downtime for upgrades is acceptable, place a single copy of the Oracle Database binary files and configuration files on a shared file system.
You can use the following storage management schemes for running Support for Oracle RAC in a zone cluster, depending on the version of Support for Oracle RAC you are running.
Solaris Volume Manager for Sun Cluster
A Sun QFS shared file system, using either Solaris Volume Manager or hardware RAID support
A file system on a qualified NAS device with fencing
Oracle ASM
(Starting with Oracle Database 12c) Oracle ACFS file systems