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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
Preparing for migration to OneDB 2.0.0.0Before you install the new version of HCL OneDB™, you must prepare the database server environment for migration by performing specified pre-migration tasks. If you are also migrating from 32-bit to 64-Bit database servers, you must perform additional tasks.
Preparing for migrationPreparing for migration includes gathering information about and backing up your data, so that you can reinstall the previous version of the server and restore your data if you have a migration problem. Preparing for migration is crucial for successful migration.
Verifying that the database server is in quiescent modeBefore you make a final backup, verify that your source database server is in quiescent mode.

Verifying that the database server is in quiescent mode

Before you make a final backup, verify that your source database server is in quiescent mode.

Run the onstat - command to verify that the database server is in quiescent mode.

The first line of the onstat output shows the status of your source database server. If the server is in quiescent mode, the status line includes this information:

Quiescent -- Up

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