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From: Eugene Vilensky <evilensky@gmail.com>
Date: Fri, 19 Mar 2010 13:36:56 -0500
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Subject: Re: [linux-lvm] Data alignment
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To: LVM general discussion and development <linux-lvm@redhat.com>

On Fri, Mar 19, 2010 at 1:13 PM, Phillip Susi <psusi@cfl.rr.com> wrote:
> I have been trying to get my logical volume to be aligned to a 512 KB
> boundary on my SSD so it lines up with the flash erase block. �I thought
> I could do this with pvcreate --dataalign 1024, but this caused the data
> to be aligned to a 1024 sector boundary within the partition, which
> itself starts on sector 63. �I then thought the --dataalignoffsest
> switch would help, but specifying 63 there caused the data to be moved
> to sector 1087. �I tried giving it -63, but was told that a negative
> number is not allowed. �Why not? �How can I get the data to start on
> sector 1024-63 of the partition so it ends up on pysical sector 1024 of
> the disk?

Align the partition?