From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bill Davidsen Subject: Re: In this partition scheme, grub does not find md information? Date: Tue, 29 Jan 2008 18:45:28 -0500 Message-ID: <479FBA98.10202@tmr.com> References: <479EAF42.6010604@pobox.com> <18334.46306.611615.493031@notabene.brown> <479F07E1.7060408@pobox.com> <479F0AAB.3090702@rabbit.us> <479F331F.7080902@msgid.tls.msk.ru> <479F3C74.1050605@rabbit.us> <479F42A5.8040007@msgid.tls.msk.ru> <479F5177.6060206@pobox.com> <479F557D.20502@rabbit.us> <479F7FCD.7030106@pobox.com> <20080129202156.GA32434@rap.rap.dk> <479FA540.70707@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <479FA540.70707@pobox.com> Sender: linux-raid-owner@vger.kernel.org To: Moshe Yudkowsky Cc: =?ISO-8859-1?Q?Keld_J=F8rn_Simonsen?= , linux-raid@vger.kernel.org List-Id: linux-raid.ids Moshe Yudkowsky wrote: > Keld J=F8rn Simonsen wrote: > > Based on your reports of better performance on RAID10 -- which are=20 > more significant that I'd expected -- I'll just go with RAID10. The=20 > only question now is if LVM is worth the performance hit or not. > >> I would be interested if you would experiment with this wrt boot tim= e, >> for example the difference between /root on a raid5, raid10,f2 and=20 >> raid10,o2. > > According to man md(4), the o2 is likely to offer the best combinatio= n=20 > of read and write performance. Why would you consider f2 instead? > f2 is faster for read, most systems spend more time reading than writin= g. > I'm unlike to do any testing beyond running bonnie++ or something=20 > similar once it's installed. > > --=20 Bill Davidsen "Woe unto the statesman who makes war without a reason that will stil= l be valid when the war is over..." Otto von Bismark=20 - To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html