Definition of the trial period

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The FusionInsight trial period refers to the period from the time when the Manager or cluster is upgraded to the time when the upgrade is confirmed. During the period, you can verify the inherited services and observe the service running status after the upgrade to ensure that the upgrade is not submitted when service exceptions occur because after the upgrade is submitted, the product cannot be rolled back. However, you can roll back it during the trial period. Do not enable the multi-instance function during the period. For more precautions, see the Upgrade Guide.

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