Michael Monnerie put forth on 7/20/2010 1:58 PM:
> Dear list, I don't know who else to ask this:
> I recently bought 2 new 4k sector drives (WD Caviar Green 2TB,
> WD20EARS), but Linux kernel 188.8.131.52 still says:
> # blockdev --getss /dev/sdd
> Shouldn't that be 4096? Where is the problem?
Firmware sector size translation is the problem. The WD20EARS is apparently
not a native 4096K sector size drive, but a transitional product. It is 4k
sector size internally but the firmware translates this to 512B sectors to the
OS driver. It's a hybrid.
Google "WD20EARS sector size"