Dbvisit Standby Version 8.0.x - New Features
These 4 components work together to provide a full solution that can help you manage your Oracle Standard Edition (SE1, SE and SE2) standby database environment.
In summary, these components perform the following tasks:
Component | Icon | Description |
---|---|---|
Dbvserver |
| |
Dbvagent |
| |
Standby Core |
| |
Dbvnet |
|
The diagram below provides a brief overview of how the above four components work together. Â The DBA (Administrator) will have the option to either run commands via the Command Line Interface (Standby Core) using the dbvctl utility - or - They can make use of the new Central Console which can be used to manage multiple installations.
Note: The above diagram is just a high-level representation of how Dbvisit Standby v8 components communicate.
2. Â New Features
Dbvisit Standby version 8 new features are listed below in no particular order:
- The command line interface is now consolidated into one single easy to use executable - "dbvctl"
- The Dbvisit Standby Core repository is no longer stored in the Oracle Database
- The repository has now been moved outside the Oracle database and is located in DBVISIT_BASE/standby/conf directoryÂ
- The repository name is DB_NAME.db
- The directory structure of version 8 is similar to version 7 with the addition of the new Dbvisit Agent subdirectory
- Dbvserver has been totally rewritten and now have a smaller footprint and is hosting a brand new web-based user interface - referred to as the "Central Console"Â
- The new Central Console:Â
- Can manage multiple Dbvisit Standby v8 installations
- The new web interface has a new easy to use modern look and feel
- A small repository is used on the web server to keep track of task information
- Can handle multiple users (each DBA in the team can have their own login)
- All core functions can be performed via the Central Console
- Dbvisit Standby agent must be installed and running on all database servers
- Dbvnet has been totally rewritten with improved performance, stability and footprint
- Improved Batch Operations:
- Installation
- Create Standby Database (CSD)
- Synchronize Standby Database (SYNC)
- Creation of Standby Database TemplatesÂ
- Graceful Switchover (GS) Improvements:
- Execute / Start GS now from only one nodeÂ
- No additional keys or execution of commands on the remote server required
- Improved outputÂ
- Various performance improvements - especially in environments with large redo logs and slow networks
- The GS process will now keep track of all trace files generated
- Auto rollback has been implemented (if possible)
- Improved Archivelog Management Module (AMM)
- Various improvements for Windows-based installations
- Improved handling of Oracle Database 12c SE/SE1 and SE2 installations
- Support for Oracle Database 12c SE/SE1 and SE2 Multitenant (Single PDB)
- New Improved and Exposed Command Line API
- New Dbvisit Agent (dbvagent) is introduced. Â
- This new component will allow for communication between the Central Console and the Standby Core. Â
- All communication between the Central Console and Dbvisit Agent is encrypted
- Tasks from the Central Console are executed on the Standby Core and task updates are pushed to the Central Console
- New Support Package option is introduced
- To allow for faster and easier support we have introduced a new "Support Package" option. Â
- If an error is received the Process ID will be displayed, the user can then create a support package
- This support package will include all required information for the Dbvisit Support team to allow for quick and easy investigation of errors
- The support package can be created from the command line as well as via the Central Console - from where it can even download the support package
- Basic support for cascading standby databases have been introduced in Dbvisit Standby version 8
- Oracle RAC Support Improvements:
- Dbvisit Standby version 8 includes a large number of improvements with regards to managing Oracle RAC standby configurations
- Dbvisit Standby version 8 is now more Oracle RAC aware.
- If you have an Oracle RAC capable standby environment (Clusterware and storage configured with the database software installed), you can now create a full Oracle RAC enabled standby database using the Dbvisit Standby CSD process
- Dbvisit Standby is now executed (running) on only one of the RAC nodes
- Shared Storage is required for the Dbvisit Standby Installation as well as a Virtual IP for the cluster to be used by Dbvisit Standby only
- Improved SQL and RMAN connections to the Database
- Shared connections are used by default
- Improved error handlingÂ
- SSH Support for network communication is still supported on UNIX systems. SSH passwordless authentication is required.