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Migrating and upgradingYou can upgrade to the 2.0.0.0 version of HCL OneDB™ or migrate from other database servers to HCL OneDB™. Upgrading is an in-place migration method that uses your existing hardware and operating system software. Some changes to the HCL OneDB™ database server can affect upgrading from a previous release.
HCL OneDB™ Migration GuideThe HCL OneDB™ Migration Guide describes how to move data manually between databases, servers, and computers.
Migration to OneDB 2.0.0.0
Migrating to OneDB 2.0.0.0When you migrate to HCL OneDB™ 2.0.0.0, you must complete required migration and post-migration tasks.
Migrating to the new version of HCL OneDB™After you prepare your databases for migration, you can migrate to the new version of HCL OneDB™.
Installing the new version of HCL OneDB™Install and configure the new version of HCL OneDB™.
Migration status messagesWhen the migration starts, the online.log displays the message "Conversion from version <version number> Started." The log continues to display start and end messages for all components.

Migration status messages

When the migration starts, the online.log displays the message "Conversion from version <version number> Started." The log continues to display start and end messages for all components.

When conversions of all components are complete, the message "Conversion Completed Successfully" displays. This message indicates that the migration process completed successfully, but it does not guarantee that each individual database was converted successfully. The message log might contain more information about the success or failure of the migration of each individual database. If migration of a particular database fails, then try to connect to the database to find out the exact cause of the failure.

At the end of the migration of each individual database, HCL OneDB™ runs a script to update some system catalog table entries. The message log includes messages that are related to this script. The success or failure of the script does not prevent the usage of a database.

For information about any messages in the message log, see the HCL OneDB Administrator's Guide.

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