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Date: Wed, 17 Aug 2016 18:07:13 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Hans Petter Selasky <hps@selasky.org>
Cc: Nathan Whitehorn <nwhitehorn@freebsd.org>,
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Subject: Re: svn commit: r304142 - head/usr.sbin/bsdinstall/partedit
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On Wed, Aug 17, 2016 at 05:00:16PM +0200, Hans Petter Selasky wrote:

> On 08/17/16 16:49, Slawa Olhovchenkov wrote:
> > On Wed, Aug 17, 2016 at 07:36:00AM -0700, Nathan Whitehorn wrote:
> >
> 
> > In long term, prefered aligment is forsing 4k (or may be more):
> > install system on 512b [mirror] disk aligment now may be need required replace
> > disk to 4k aligment. For more flexsible in future now best chois is 4k
> > or more.
> 
> Hi,
> 
> Not sure if it is an issue, but what will happen if a magic disk has a 
> size less than 4K and uses a block size of 512bytes and the disk 
> alignment gets rounded up to 4K. Will any of logic in this patch fail or 
> hang?

I am not sure about understunding you.
Do you talk about disk total size of 1536 bytes and less?