Flat.vmdk [new] Info

A -flat.vmdk file is a type of virtual disk extent that allocates the entire allocated size of a virtual disk immediately upon creation. It is the data component of a virtual disk, often used in ESXi production environments to ensure consistent disk I/O performance. Key Characteristics

It is always accompanied by a small text file, usually named vmname.vmdk (without "-flat"), which describes the disk geometry and the location of the raw data. flat.vmdk