On 22/05/2020 19:23, Rich Freeman wrote:
A big problem with drive-managed SMR is that it basically has to assume the OS is dumb, which means most writes are in-place with no trims, assuming the drive even supports trim.
I think the problem with the current WD Reds is, in part, that the ATA-4 spec is required to support trim, but the ATA-3 spec is the current version. Whoops ...
So yes, even if the drive does support trim, it has no way of telling the OS that it does ...
Cheers, Wol
