Browsing Bengali (India) translation

28.

Bechmarking the write-rate of a disk requires exclusive access to the disk (e.g. the disk or its partitions cannot be mounted or in use) and involves reading data and then writing it back. As a result, the contents of the disk is not changed.

If not checked, the write-part of the benchmark will not be done but on the other hand exclusive access to the device is not needed (e.g. the disk or device can be in use) .