Re: ATA 4 KiB sector issues.

[Tejun Heo]

Hello, again.

On 03/09/2010 11:34 AM, Tejun Heo wrote:
>>  - parted uses 1MiB alignment for disks with unknown topology, disks
>>    with topology information are aligned to optimal (or minimum) I/O
>>    size (parted >= 2.1)
> 
> This will result in incorrect alignment for drives which lie about the
> physical sector size to work around BIOS/drivers issues (C-1).  It
> would probably be best to align to at least 1MiB.

I misread it.  C-1 would be disks w/o alignment information which will
be aligned to optimal_io_size which again would be 0 and thus 1MiB
alignment.  So, this should work, right?

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/