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  2. Dynamic Performance Views
  3. Dynamic Performance (V$) Views: V$ACCESS to V$HVMASTER_INFO
  4. V$ASM_FILEGROUP_PROPERTY

7.63 V$ASM_FILEGROUP_PROPERTY

V$ASM_FILEGROUP_PROPERTY describes all the properties of every Oracle Automatic Storage Management (Oracle ASM) File Group.

In both Oracle ASM and Oracle Database instances, V$ASM_FILEGROUP_PROPERTY will display one row for every property of every file type of every File Group contained in every Disk Group mounted by the instance.

File Group properties are only displayed for File Groups on Disk Groups where COMPATIBLE.ASM is set to 12.2 or higher.

Note:

There will not be an entry for the default File Group.

Column Datatype Description

GROUP_NUMBER

NUMBER

Number of the Disk Group in which this File Group exists (composite primary key)

FILEGROUP_NUMBER

NUMBER

Number associated to the File Group within its Disk Group (composite primary key)

COMPOUND_INDEX

NUMBER

A 32-bit number consisting of a Disk Group number in the high-order 8 bits and a Property Number in the low-order 24 bits (for efficient access to the view)

PROPERTY_INDEX

NUMBER

Number of this property in the Disk Group for the File Group (composite primary key)

INCARNATION

NUMBER

Incarnation number for this property (composite primary key)

FILE_TYPE

VARCHAR2(30)

Type of file the property will be applied to:

  • ARCHIVELOG

  • ASMPARAMETERFILE

  • ASMVDRL

  • ASMVOL

  • AUDIT_SPILLFILES

  • AUTOBACKUP

  • BACKUPSET

  • CHANGETRACKING

  • CONTAINER

  • CONTROLFILE

  • DATAFILE

  • DATAGUARDCONFIG

  • DUMPSET

  • FLASHBACK

  • FLASHFILE

  • KEY_STORE

  • OCRBACKUP

  • OCRFILE

  • ONLINELOG

  • PARAMETERFILE

  • TEMPFILE

  • VOTINGFILE

  • XTRANSPORT

The value can be NULL for properties with a File Group granularity.

NAME

VARCHAR2(64)

Full name of the property. Possible values:

  • OWNER

  • PARENT_FILEGROUP_NUMBER

  • POWER_LIMIT

  • PRIORITY

  • REDUNDANCY

  • SPLIT_STATUS

  • STRIPING

  • USER_GROUP

VALUE

VARCHAR2(256)

Value of the property

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data

Note:

This view is available starting with Oracle Database 12c Release 2 (12.2.0.1).

See Also:

"V$ASM_FILEGROUP"