Let’s say the goal is to minimize risk of data breach while securing a warranty claim. What would you do normally?
* HDD: Bad sectors could cause `dd` to get stuck for a very long time. Manufacturer’s erasure tool may clear up errors in SMART, preventing a warranty claim.
* SSD: `dd` may fail to erase certain cells (e.g. blocks used for cache/OP/reserve). Secure-erase or nvme-sanitize may clear up errors in SMART, preventing a warranty claim.