bug#18920: Parted always chooses the logical sector size.

[dE]

On 11/04/14 22:10, Brian C. Lane wrote:
> On Tue, Nov 04, 2014 at 08:26:24PM +0530, dE wrote:
> > On 11/04/14 03:24, Brian C. Lane wrote:
> > > Assuming you are talking about linux -- parted uses the logical sector
> > > size returned by the kernel, which gets it from the drive.  We don't set
> > > to 512 arbitrarily. So if there is an actual problem it should be
> > > reported against the kernel.
> > Yes, the kernel reports both -- the logical and the physical. Parted knows
> > about it, it shows both the logical and physical sector size, but then also
> > it uses the logical sector size. It should not. There must be an option at
> > least, and I suggest it should be made the default otherwise the partitions
> > may start unaligned.
> Can you cite specific instances of problems using the logical size?
> Every tool that I am aware of uses it. As for not aligning parted
> defaults to 1MiB so unless you are forcing it to a specific sector you
> aren't going to see an issue.

Yeah, I'm forcing to a specific sector.

And in case you're doing that, this can cause some serious issues.

Besides the 512 sector size was included for compatibility purposes. So 
parted using that is pointless.