On Sun, 25 Jan 2015 16:18:27 -0500 Phillip Susi <psusi@xxxxxxxxxx> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > On 01/22/2015 10:34 AM, One Thousand Gnomes wrote: > > Unlikely. Apart from fdisk the setup is basically invisible. The > > drive reports a block size and an offset. The firmware offset is > > chosen so that the chassic DOS alignments in fdisk happen to just > > fall nicely on 4K boundaries for partition starts. > > > > There is nothing special the OS does to deal with ATA/SATA 4K > > sectors. > > Incorrect: the kernel bogus/synthetic "geometry" is the maximum > allowed of 63 sectors per track, and the old dos default alignment for > the first partition on the disk places its start at sector 63, which > is not 4k aligned. The special thing that partitioning tools I guess if you count partitioning tools as the "OS" this is true, but by the OS I meant "system call layer and below". Alan -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html