Right now you can create Racks as assets and manually list number of available Us then associate Servers, Switches etc with them to show what belongs to which rack. But we would like more thorough management so that we can say specify the Server U size and rack location and have that automatically decrement from the number of Us available and show the specific location of the device in the rack. Even better would be the ability to have a graphical view of the rack or racks for locating and planning.
We have added custom fields to track the rack location but as I said it is a manual process to track available space in each rack.
An example of something we would like is the rack management functions of phpipam https://phpipam.net/ or https://www.racktables.org/ or the countless. We would either like native support or integration with tool(s) like that so we don't have to manually track assests in multiple apps.