[Xen-devel] Re: [dm-devel] [PATCH 1/8] dm-ioband: Introduction

[Hirokazu Takahashi <taka@xxxxxxxxxxxxx>]

Hi,

> Ryo Tsuruta wrote:
> > Create two ioband devices "ioband1" and "ioband2". "ioband1" is mapped
> > to "/dev/sda1" and has a weight of 40. "ioband2" is mapped to "/dev/sda2"
> > and has a weight of 10. "ioband1" can use 80% --- 40/(40+10)*100 ---
> > of the bandwidth of the physical disk "/dev/sda" while "ioband2" can use 
> > 20%.
> 
> Just to clarify, when you say ioband1 can use 80% of the bandwidh, you 
> mean that is how much it will get if both io bands are loaded right?  If 
> there is no activity on ioband2, then ioband1 will get the full disk 
> bandwidth right?

Absolutely, you are right!

Thank you,
Hirokazu Takahashi.

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