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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
Enterprise Replication and migrationYou must coordinate the migration of all servers that are involved in data replication.
Migrating with Enterprise ReplicationIf you use Enterprise Replication, you must complete replication-related tasks when you migrate to a new version of OneDB.

Migrating with Enterprise Replication

If you use Enterprise Replication, you must complete replication-related tasks when you migrate to a new version of OneDB.

Procedure

To migrate with Enterprise Replication:

Complete the steps in Preparing to migrate with Enterprise Replication.
Complete the steps in Preparing for migration.
Perform all migration operations as user informix.
Run cdr cleanstart command to start Enterprise Replication for the first time. This command forces Enterprise Replication to recreate its internal queue tables in new format.

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