Rolling process and rolling system for rolling metal strip

A metal strip rolling system, having a first reeling device for reeling-off strip, a rolling stand having at least two working rolls between which there is formed a roll gap whose width is controllable, and a second reeling device used for reeling-on strip with a reduced strip thickness. A first strip storage assembly having a plurality of rolls is positioned between the first reeling device and the rolling stand, and a second strip storage assembly having a plurality of rolls is positioned between the rolling stand and the second reeling device. At least one of the strip storage assemblies is formed of a double roll assembly with strip being wrapped around two rolls in an S-like way, the rolls being arranged at different levels.