Introduction

The SSA subsystem requires a proper coordination of AIX device drives, SSA adapter microcode and SSA drive microcode levels.

Because of this, SSA microcode is packaged differently from other RS/6000 microcode.

For each supported level of AIX, there is a single package to be downloaded and installed that contains all the SSA adapter and device microcode as well as device drivers.

The different microcode levels are shown in this web page.

It is important to completely read the upgrade instructions found associated with the microcode and check for any special instructions.

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