From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Rees <drees76@gmail.com>
Subject: Re: Alignment of RAID on specific boundary
Date: Mon, 4 Jan 2010 13:14:01 -0800
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To: Khelben Blackstaff <eye.of.the.8eholder@gmail.com>
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On Mon, Jan 4, 2010 at 11:30 AM, Khelben Blackstaff
<eye.of.the.8eholder@gmail.com> wrote:
> Is there a way to make the RAID data start at a particular offset ?
> (In my case 512 sectors) ?

http://thunk.org/tytso/blog/2009/02/20/aligning-filesystems-to-an-ssds-erase-block-size/

May have to tweak your fdisk parameters a bit.

Don't worry about aligning your /boot partition since you don't
read/write from that much.

-Dave