Does LVM affect performance

[Anthony Yarusso]

WipeOut wrote:
> Hi,
>
> Pretty simple questions but probably not such a simple answer..
>
> Does using LVM affect disk and system performnace?
>
> There must be some overhead involved (memory, cpu or disk IO) in using
> LVM but is that overhead measurable or is it insignificant if disk 
> throughput is of significance??
>
> Would be interesting to hear your thoughts or from anyone who has tested
> it..
>
> Thanks..
>
>
>   
I've never actually done anything resembling a competent benchmarking,
but I use LVM on both of my machines and there hasn't been any
"noticable" difference.