[linux-lvm] mirror_region_size default: 4096 six times faster than 512?

[Alasdair G Kergon]

On Tue, Feb 21, 2012 at 10:29:32AM -0600, Ray Morris wrote:
> If 4096 is OFTEN several times faster than 512, would it make sense 
> to consider canging the default?

Hard to know, really.

What could be useful though would be some tuning scripts, that run tests like
that on a given installation and suggest tweaks like that.

Alasdair