Upgrade Guide > Upgrade Guide > Upgrading Using Unload/Reload > How You Perform an Upgrade Using Unload/Reload > (Optional) Checkpoint the Database
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(Optional) Checkpoint the Database
Note:  This step is optional. You can omit this step if you can rely on the system backup to be taken in the later step Shut Down Ingres and Back Up System.
Follow these steps:
1. Checkpoint each database, including the iidbdb
2. Copy the checkpoint files to a permanent medium such as tape. Use fresh tape.
3. Verify that the tape can be read.
Last modified date: 01/30/2023