Home > Storage > PowerMax and VMAX > Storage Admin > Dell PowerMax and VMAX: Non-Disruptive and Minimally Disruptive Migration Best Practices and Operational Guide > Metro-based NDM guide plan and environment overview
The following guide describes two methods for each version of Metro-based NDM:
This guide uses the VMAX All Flash and VMAX3 arrays in the graphic below.
In the Metro-based NDM example SGs migrate from 000296700558 to 000197800131.
Prior to the start of a planned migration, verify the following: