SMR drives and ZEROs sectors and missing head display

[positivebit]

just wondering for which reason, in DE task, cloning a charger SMR drive, sometimes disapear the [ HEAD-0 (1,2,3) etc] text after LBA text.
also, another thing, is that the sectors without HEAD number have all ZEROs inside.

please check pictures...

Sector zeros and missing heads.png (28.04 KiB) Viewed 902 times

[northwind]

That's because when you create head map, the drive creates it based on the occupied sectors. That means that empty sectors are not mapped, simply because they are zeroed.

[d_d_recovery]

+1 for Northwind
Here is a little video about it.
https://youtu.be/qMJR5g7l5nI

[osity]

Cool find. Thanks for the video explanation D_D Recovery.