Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261656AbVE3RsR (ORCPT ); Mon, 30 May 2005 13:48:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261657AbVE3RsR (ORCPT ); Mon, 30 May 2005 13:48:17 -0400 Received: from smtp.ciberdimensao.com ([62.48.194.144]:58077 "HELO smtp.madinfo.pt") by vger.kernel.org with SMTP id S261656AbVE3RsH (ORCPT ); Mon, 30 May 2005 13:48:07 -0400 From: "Clemente Aguiar" To: Subject: Re: Adaptec AIC-79xx HostRaid Date: Mon, 30 May 2005 18:48:01 +0100 Message-ID: <6A0C419392D7BA45BD141D0BA4F253C776F2@loureiro.madeiratecnopolo.pt> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1130 Lines: 31 >On Mon, May 30, 2005 at 06:13:03PM +0100, Clemente Aguiar wrote: >> >> Hello, >> >> We have acquired some IBM xServers which have an integrated raid controller >> based on the Adaptec AIC-79xx U320 SCSI controller (called HostRaid). >> >> Is there already support for HostRaid? Are there drivers for it? >> >From which kernel version and where do I find it in the config? > >HostRaid is just software RAID; you can ignore it and let Linux use the >underlying SCSI devices via the standard aic79xx driver. > > Jeff What do you mean it is just software RAID? Can you explain? On the servers there is a configuration option to enable HostRaid, and when I turn that option ON the mirroring between the two discs start and after a while they are mirrored. I think that in terms of performance it should be better to used the "on-board" HostRaid facility. Don't you think so? Clemente - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/