Installation and upgrade enhancements
version 11.1 includes enhancements that make it faster to deploy products and easier to maintain them.
| Enhancement | Description |
|---|---|
| Upgrade is a recoverable operation. | Roll forward recovery through database upgrade is now supported and includes the ability for an HADR standby to replay through log data that is written and shipped by the primary database. Database upgrade is now recoverable in all configurations. However, only databases that upgrade from Db2 version 10.5 Fix Pack 7 or later in single partition Enterprise Server Edition and pureScale® configurations can take advantage of the new recoverability support. In configurations that use multiple partitions, roll forward through a database upgrade is not supported. Roll forward through a database upgrade is also not supported for databases that upgrade from Db2 version 9.7, 10.1, and Db2 version 10.5 Fix Pack 6 or earlier. |
| Avoid the need for an offline backup image during the upgrade procedure. | Database upgrade is now a recoverable event, which means it is possible, depending on your database environment, to avoid the need to take an offline database backup before and after the database upgrade. For Db2 version 10.5 Fix Pack 7 or later databases in configurations that use single-partition Enterprise Server Edition or pureScale, the ability to roll forward through a database upgrade is supported. In configurations that use multiple partitions, roll forward through a database upgrade is not supported. Roll forward through a database upgrade is also not supported for databases that upgrade from Db2 version 9.7, 10.1 and Db2 version 10.5 Fix Pack 6 or earlier. |
If you have a version 9.7, Version 9.8, Version 10.1, or version 10.5 copy that is already installed and you would like to use Db2 version 11.1 instead, you need to upgrade to version 11.1. version 11.1 is a new version. You cannot apply a fix pack to upgrade from a prior version to version 11.1.
To learn about upgrade limitations, possible issues, and other details, see Upgrade essentials for Db2 servers and Upgrade essentials for clients.
Upgrading your Db2 servers and Db2 clients to 11.1 might require that you also upgrade your database applications and routines. To help determine whether you must upgrade, see the Upgrade essentials for database applications and Upgrade essentials for routines topics.
For the most up-to-date installation requirements for Db2 database products, see System requirements for IBM® Db2.