From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mario Giammarco Subject: Re: RAID1 VS RAID5 Date: Tue, 28 Oct 2003 11:45:10 +0100 Sender: linux-raid-owner@vger.kernel.org Message-ID: <1067337910.1283.5.camel@cala> References: <200310261716.17030.maarten@vbvb.nl> <1067179519.1222.107.camel@cala> <200310261716.17030.maarten@vbvb.nl> <5.2.1.1.0.20031027015844.03a85e68@no.incoming.mail> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5.2.1.1.0.20031027015844.03a85e68@no.incoming.mail> To: Jeff Woods Cc: Hermann Himmelbauer , maarten van den Berg , linux-raid@vger.kernel.org List-Id: linux-raid.ids Il lun, 2003-10-27 alle 11:16, Jeff Woods ha scritto: > Alternating I/Os between two spindles on a RAID1 pair won't (in general) > speed up the transfer rate. Are you sure? Have you done some tests? Because I think the opposite. > Leaving the other > spindle available to seek to another part of the drive and provide double > the bandwidth has major advantages in a multiprocessing environment Is good but I do not need it... > OTOH, you have access to the source code if you really want to try it > another way. So again my first question thats seems to go ignored: does someone have made a patch? Is there some line to put in raidtab to change raid1 behavior? -- Mario Giammarco