If your next level of support or your service provider suspects a wait or loop in the server firmware, they might request that you perform a system dump. You can use the HMC to perform a system dump, which is a collection of data from the server hardware and firmware.
Use this procedure only under the direction of your next level of support or your service provider, after first providing to your next level of support or service provider a dump of the operating system (for example, a main storage dump for i5/OS(R)).
Follow these steps to initiate a system dump in Service Focal Point: