I have a very fast Samsung NVME drive hosting my root file system.During backup 'atop' often shows 100% usage of my NVME drive while reading only a few MB/s and
several thousands 'Read' ops (during 10 seconds).
Is this normal or a measuring bug of 'atop'.Stand alone timing tests have shown that this drive can read some GB per second.
What's happening? Many thanks for a hint, Helmut
