Release Notes

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1.  Introduction

This section will provide you with an overview of the new release updates of Dbvisit Standby MultiPlatform v11 (StandbyMP).
StandbyMP v11 is a major update with an new multi platform architecture, all-new user interface, and support for Microsoft SQL Server.
Due to the volume of improvements and changes a changelog has not been provided.

Key new features include:

  • Multi platform architecture enables Oracle and SQL Server Disaster Recovery from one common control center.

  • Highly intuitive GUI, where all DR configurations can be viewed and managed from a single page.

  • Intelligent activate for Oracle allows failover to a specific “safe” activation points when using a log application delay.

  • Multi-database actions, even across platforms.

  • Real-time, distributed, event-driven communication.

  • Greater scalability with the ability to manage hundreds of database hosts and DR configurations.

  • Support for Oracle SE2HA (Standard Edition2 High Availability) from StandbyMP v11.1.0

  • Multiple standby databases for SQL Server are supported from StandbyMP v11.1.0

2.  Supported Databases and Operating Systems

Dbvisit Standby MultiPlatform caters for the following operating systems:

  • Linux

    • Oracle Linux 6, 7 and 8 (64 bit)

    • Red Hat 6, 7 and 8 (64 Bit)

  • Windows (See known issues below)

    • Windows Server 2012 and above (64bit)

Dbvisit Standby MultiPlatform supports the following Oracle Database versions:

  • Oracle Database 10gR2 (10.2.0.5 recommended) - If using ASM 11gR2 version required for Graceful Switchover 

  • Oracle Database 11gR2

  • Oracle Database 12cR1 and R2

  • Oracle Database 18c

  • Oracle Database 19c

  • Oracle Database 21c

  • Oracle Multi-tenant for Oracle SE2 is supported

    • New pluggable databases can be added to an existing primary database, which will be propagated to the standby database when you send and apply archivelogs.

    • Max of 3 pluggable databases is allowed in the primary databases. If you are adding more than 3 pluggable databases, please contact Dbvisit support.

Dbvisit Standby MultiPlatform supports the following Microsoft SQL Server Database versions:

  • Microsoft SQL Server 2012 Onwards

  • All versions of Microsoft SQL Server on Linux Platforms.

3.  Known Issues

  • Graceful Switchover with SQL Server InMemory tables is not supported.

  • Dbvisit Standby currently only supports ipv4, not ipv6.

  • Dbvisit Standby includes Oracle 12.2 Instant Client libraries by default. If your system has a different version of Oracle installed, it is possible under some rare circumstances for a library version conflict to occur. If you experience any errors similar to "PRKN-1008: Unable to load the shared library orasrvmhas12.dll", you can usually resolve them easily by renaming this library in the dbvisit/standby folder to "orasrvmhas12.dll.12.2" or by using replacing the Instant Client libraries in $DBVISIT_BASE/standbymp/oracle or $DBVISIT_BASEdbvisit/standbymp/oracle/lib (depending on your operating system).

11.1.0 (26 May 2022)

New features

  • Multi-language support (Chinese Simplified, Chinese Traditional, English, French, German, Japanese, Spanish)

  • Full Oracle SEHA support

  • New APIs for 3rd party integration

  • New CLI (Control Center and Agents)

  • SQL Server: Automatic "New Database on Instance" Detection + Configuration and Standby Database Creation

  • SQL Server: Multiple standby databases for a single source database

  • SQL Server: Introducing the SQL Server Graceful Switchover Cascade: seamlessly switchover and then switchback a SQL Server Database Configuration with multiple standby databases while always retaining log shipping between all affected databases.

Bugs squashed/Improvement description

  • Significant improvements made to CPU load/process efficiency/process management, vastly improving memory/CPU consumption

  • Full SMTP connection debug info is now available

  • Better handling for Windows PATH misconfigurations

  • SQL Server Apply Delay now works as expected

  • Missing logs now generate common-sense errors straight away instead of creating notifications on apply

  • Improvements for Oracle Cascades

  • CSD is now available as a multi-configuration Action for SQL Server

  • Automatic Standby Update is now disabled when activating standby for DR testing in Oracle

  • Fixed licence update UI & improved messaging for licence errors

  • Warnings added for Switchover + Snapshots interaction

  • The dashboard now shows the correct Instance state for Oracle RAC Configurations with multiple active nodes

  • Improved custom backup location handling for 2+ Configurations sharing the same primary

  • HOSTNAME_CMD files are now correctly migrated during upgrades

  • It is now possible to use non-standard local addresses for SQL Server Instance discovery

  • Added several new Events and notifications for various issues (Automated Standby Update failing, various log gap states, etc)

  • Major performance improvements to UI rendering, which should now be much faster and more responsive when working with large numbers of Configurations & Tasks.

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