4.297 DBA_HIST_CLUSTER_INTERCON

DBA_HIST_CLUSTER_INTERCON displays information about the devices used by the instance to access the interconnect (that is, communicate with other instances).

Column Datatype NULL Description

SNAP_ID

NUMBER

NOT NULL

Unique snapshot ID

DBID

NUMBER

NOT NULL

Database ID for the snapshot

INSTANCE_NUMBER

NUMBER

NOT NULL

Instance number for the snapshot

NAME

VARCHAR2(256)

NOT NULL

Operating system name of the device

IP_ADDRESS

VARCHAR2(64)

NOT NULL

IP address of the device

IS_PUBLIC

VARCHAR2(3)

Indicates whether the device is a public interface (YES) or a private interface (NO)

Public interfaces can be listened to by outside applications, which may be a security problem. Oracle recommends using private interfaces for interconnect.

SOURCE

VARCHAR2(31)

Describes the type of device

CON_DBID

NUMBER

The database ID of the PDB for the sampled session

CON_ID

NUMBER

The ID of the container that CON_DBID identifies. 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