[pve-devel] [PATCH] Increases the dd read/write speed when migrating LVM disks. This should bring LVM migration speed up to match that of rsyncing qcows.

[James Lavoy]

I'm okay with 4K. Again, anything other than default is fine by me.

On Thu, Aug 25, 2016 at 3:55 AM, Wolfgang Bumiller <w.bumiller at proxmox.com>
wrote:

> On Wed, Aug 24, 2016 at 07:19:04PM +0200, Dietmar Maurer wrote:
> > I am afraid that increasing block size is bad for sparse file detection.
> >
> > Seems dd simply use "bs" for for memory buffer and zero block detection?
>
> The speed values for 4k look acceptable though? Might be a good
> compromise?
>
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