在主要实例启动并运行时，可以使用一个不同级别的AIX软件更新升级备用实例。

You can update the alternate instance with a different level of AIX software updates while the primary instance is up and running.

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为了达到这个目标，您的程序应该仅在启动的时候进行软件更新的过程。

To achieve this, it's essential that your application perform all software update procedures at launch time only.

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下载后，启动 Eclipse，并通过 Help > Software Updates（见图 2）访问软件更新机制。

Once this is done, you can launch Eclipse and access the software-update mechanism via Help > Software Updates (see Figure 2).

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