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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 14 Nov 2008 08:18:40 +0900 (JST)
From:	Hirokazu Takahashi <taka@...inux.co.jp>
To:	psusi@....rr.com
Cc:	dm-devel@...hat.com, linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org,
	virtualization@...ts.linux-foundation.org,
	xen-devel@...ts.xensource.com, fernando@....ntt.co.jp,
	balbir@...ux.vnet.ibm.com, xemul@...nvz.org,
	kamezawa.hiroyu@...fujitsu.com, agk@...rceware.org
Subject: Re: [dm-devel] [PATCH 1/8] dm-ioband: Introduction

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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/