Bug#614632: Disk partitions not created along cylinder boundaries
reassign 614632 util-linux
retitle 614632 fdisk: error message about cylinder alignment confuses people into thinking the partitioner is wrong
thanks
On Wed, Feb 23, 2011 at 02:54:52PM +0100, Jaap Winius wrote:
> Quoting Colin Watson <cjwatson@debian.org>:
> >This is entirely intentional. No remotely modern disk requires
> >partitions to be aligned on cylinder boundaries, and cylinder alignment
> >is very bad indeed for performance on many modern disks ...
>
> That's good to hear! I was concerned, because fdisk does not show
> this "non-problem" on any of the older systems that I have running
> currently and I did not want to run into any performance problems
> later on.
OK, good.
> >Yes, there may be a little more unusable space now, but it should be no
> >more than a megabyte - in other words, a negligibly tiny fraction of the
> >size of the disk.
>
> Strange, though, that the version of the partitioner from last June
> should give a different result (on the same disk) than the later
> ones -- a result that fdisk does not complain about.
We made this change to the partitioner last March, but depending on what
branch of the Debian installer you were using, you might well have been
using a version last June that defaulted to cylinder alignment.
> Oh well. It sounds like it might be helpful if this bug report was
> moved to the "util-linux" package (fdisk). Can you arrange this?
Done with this message. See also the similar bug #602628.
Cheers,
--
Colin Watson [cjwatson@debian.org]
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