Supported Storage Options for Oracle Database
The following table shows the storage options supported for Oracle Database binaries and files:
Note:
The ACFS storage option on IBM AIX is deprecated in Oracle Database 19c.Table 7-1 Supported Storage Options for Oracle Database
| Storage Option | Oracle Database Binaries | Oracle Database Data Files | Oracle Database Recovery Files |
|---|---|---|---|
|
Oracle Automatic Storage Management (Oracle ASM) Note: Loopback devices are not supported for use with Oracle ASM |
No |
Yes |
Yes |
| Oracle Automatic Storage Management Cluster File System (Oracle ACFS) |
Yes |
Yes (Oracle Database 12c Release 1 (12.1) and later) |
Yes (Oracle Database 12c Release 1 (12.1) and later |
| Local file system |
Yes |
Yes, but not recommended |
Yes, but not recommended |
| NVMe over Fabrics (NVMe-oF) storage devices |
Yes |
Yes |
Yes Note: In Oracle Database 19c, NVMe-oF uses the kernel initiator, which exposes the disks as block devices. |
| Network file system (NFS) on a certified network-attached storage (NAS) filer |
Yes |
Yes |
Yes |
| Oracle Memory Speed |
No |
Yes |
Yes |
Guidelines for Storage Options
Use the following guidelines when choosing storage options:
-
Oracle strongly recommends that you use a dedicated set of disks for Oracle ASM.
-
You can choose any combination of the supported storage options for each file type provided that you satisfy all requirements listed for the chosen storage options.
-
You can use Oracle ASM to store Oracle Clusterware files.
-
Direct use of raw or block devices is not supported.
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