After you have updated the firmware across the cluster, you can continue hardware setup with the knowledge that fewer problems will arise later as a result of having the latest firmwarecode.
跨集群更新了固件之后，可以继续硬件的设置，因为有了最新的固件代码，很少会出现问题。
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Little did I know 30 years later, as an embedded firmware engineer, I would still spend much of my time trying to squeeze more code and data into a smaller address space.
If you are migrating from IBM to IBM storage, then it is likely that you will simply need to update the MPIO code, FC adapter firmware and supporting device drivers.