Home > Storage > PowerMax and VMAX > Storage Admin > Reliability, Availability, and Serviceability on PowerMax 2500 and 8500 Arrays > Power-up operation
During power-up, the data is written back to global memory to restore the system. When the system is powered-on, the startup program does the following:
At the end of the startup program, the system resumes normal operation when the SPS modules are recharged enough to support another vault operation. If any condition is not safe, the system does not resume operation and calls Customer Support for diagnosis and repair. In this state, Dell Support can communicate with the system and find out the reason for not resuming normal operation and address it.