TSC Monitoring
Click the [Realtime] > [High Availability Monitoring] > [TSC Monitoring] menu in the global navigation bar to open the TSC Monitoring screen.
The TSC Monitoring screen displays the TSC list, network configuration for each TSC, recovery status charts via TSN, and real-time status of the Primary DB and Standby DB.
The users can set the automatic refresh interval. The users can refresh immediately by clicking the [Refresh] button.
TSC List
The users can view the TSC list.
TSC Topology View
The users can view the TSC network configuration.
Standby Database Recovery Overview
Click the [Overview] button to view the TSN chart and monitor the recovery status.
Primary/Standby Database List
The users can monitor the status of the Primary DB and Standby DB in a table format.
By clicking on each instance name in the Primary Database or Standby Database, the users can view the Instance info in the right-side panel.
The following is a description of the items provided on the Primary Database screen.
Instance
Instance name
Current Log
Most recent Redo Log
CPU
Current total CPU usage (%) of the instance
Memory
Current total memory usage of the instance (%)
Failover
If the instance is a failover primary instance, displays the time when the failover occurred
Replication Mode
Indicates the data replication behavior between the Primary DB and Standby DB
(possible values: PROTECTION, AVAILABILITY, PERFORMANCE)
The following is a description of the items provided in the Standby Database screen.
Instance
Instance name
Status
The status of the standby. If there are multiple statuses, only one is displayed, followed by +n. If there are multiple primary nodes, the network status with the first node is displayed.
Value type
PRIMARY NOT CONNECTED
PRIMARY CONNECTED, RECOVERY NOT STARTED
PRIMARY CONNECTED, STARTING RECOVERY
READ-ONLY STANDBY, RECOVERY IN PROGRESS
STANDBY, RECOVERY IN PROGRESS
READ-ONLY STANDBY, RECOVERY SUSPENDED
STANDBY, RECOVERY SUSPENDED
PRIMARY DISCONNECTED, FINISHING RECOVERY
Unknown
Open Mode
MOUNT
RECOVERY
READ WRITE
READ ONLY
READ ONLY WITH APPLY
Role
PRIMARY
STANDBY
SNAPSHOT STANDBY
CASCADING STANDBY
Log Transport
Log transport mode
LGWR SYNC
LGWR ASYNC
ARCH ASYNC
CPU
Current total CPU usage (%) of the instance
Memory
Current total memory usage (%) of the instance
Last Received Log
The most recent Redo Log received from the Primary
Last Applied Log
The most recent Redo Log applied (recovered) to the Standby
TSN Diff
The difference between Primary Database and TSN
Last updated