[Thincrust-devel] partition alignment

Marek Goldmann mgoldman at redhat.com
Sat Mar 5 07:56:49 UTC 2011


Hi Kartik,

There was a feature request added for BoxGrinder (which is based on appliance-creator). So I'm interested in this topic too.

	https://issues.jboss.org/browse/BGBUILD-157

A really nice document is attached which describes the issue (and solution).

--Marek

On 2011-03-04, at 17:12, Kartik Subbarao wrote:

> I notice the following warning message when using appliance-creator:
> 
> Warning: The resulting partition is not properly aligned for best performance.
> ['/']
> 
> I searched around and found various solutions that people suggest for this. But it's also unclear to me how important alignment is for virtual disks.
> 
> Could someone comment on whether this has much/any impact on the performance of the VM? Would it be possible or make sense for appliance-creator to optimize alignment when creating the partition?
> 
> Thanks,
> 
> 	-Kartik
> 
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