ares35 , 10 months ago

initializing the filesystem at the same time as zeroing the drive is probably freaking the smr out and causing it to constantly rewrite tracks.

i would have separated the two operations. a sector-by-sector wipe via software which would run at the full sequential write speed the drive internals and interface supports (connecting internally would be faster), then partition and format the filesystem. being smr shouldn't matter here when you're writing sequentially, start-to-end.

alternatively for the wipe, use secure_erase (some usb don't support it though), handled internally by the drive so it runs as fast as it can. still takes awhile with hdd, but can be faster than doing it via software and being limited by the interface speed.