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Bug#609293: partition alignment for Advanced Format disks



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Hi Christian,

On 04/14/11 07:50, Christian PERRIER wrote:
> 
> What parted.udeb did you load?
> 

The parted.udeb chosen by the installer on

http://cdimage.debian.org/cdimage/squeeze_di_beta2/amd64/iso-cd/debian-squeeze-di-beta2-amd64-netinst.iso

> From what you mention, it seems that you picked unstable's parted udeb
> and manually installed it and then things worked as you expect. Is
> that right?
> 

I cannot say if the parted-udeb was from unstable, but it was surely
not from stable. Using parted I could align the partitions as needed.

> However, parted had very few updates since the D-I beta2 this
> installation report was sent for. The version was 2.3-4 and only -5
> was released since then with no apparent change related to these
> issues.
> 

I understand. This bug report is not about parted, but about the
installer choosing an inappropriate default alignment for the
partitions.

> I can understand this machine is not available for reinstall, but
> maybe is it still avaiulable for an install *test*, up to the point
> where things are committed to the disk. That should be enough to see
> whether the installer aligns partitions the way you expect.
> 

Sorry, but I don't want to put that machine at risk. The problem
is easy to reproduce: Create a virtual block device and run the
installer in kvm:

kvm-img create /export/storage/root.img 16G
kvm -m 512 -cdrom /var/tmp/debian-6.0.1a-amd64-netinst.iso \
- -drive file=/export/storage/root.img -vnc :1 -usbdevice tablet

Connect via vnc and try to install Debian on the disk with the
root partition aligned to 2048s (using a msdos partition table,
of course).


Regards

Harri
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