On Fri 2010-01-08 13:43:47, H. Peter Anvin wrote:
> On 01/08/2010 01:33 AM, Karel Zak wrote:
> >
> > fdisk:
> > - the fdisk command aligns newly created partitions to minimum_io_size
> > boundary ("minimum_io_size" is physical sector size or stripe chunk
> > size on RAIDs).
> >
> > - the fdisk command supports disks with alignment_offset now.
> >
>
> I think we should align, by default, much more aggressively than that --
> because frequently we just don't know what the real physical alignment
> is (think of flash media, which uses large erase blocks underneath.)
Flash has special mapping layer, and does not care (SD/MMC), or is a
raw nand and can't be used as block device (smartmedia).
Pavel
--
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