Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261764AbVE3VNJ (ORCPT ); Mon, 30 May 2005 17:13:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261781AbVE3VLu (ORCPT ); Mon, 30 May 2005 17:11:50 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:26807 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S261764AbVE3VGJ (ORCPT ); Mon, 30 May 2005 17:06:09 -0400 Subject: Re: Adaptec AIC-79xx HostRaid From: Arjan van de Ven To: Eric Jones Cc: linux-kernel@vger.kernel.org, Clemente Aguiar In-Reply-To: <429B7D00.1080004@attglobal.net> References: <429B7D00.1080004@attglobal.net> Content-Type: text/plain Date: Mon, 30 May 2005 23:06:04 +0200 Message-Id: <1117487164.7747.21.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 (2.0.4-4) Content-Transfer-Encoding: 7bit X-Spam-Score: 3.7 (+++) X-Spam-Report: SpamAssassin version 2.63 on pentafluge.infradead.org summary: Content analysis details: (3.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 1.1 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org [] 2.5 RCVD_IN_DYNABLOCK RBL: Sent directly from dynamic IP address [80.57.133.107 listed in dnsbl.sorbs.net] 0.1 RCVD_IN_SORBS RBL: SORBS: sender is listed in SORBS [80.57.133.107 listed in dnsbl.sorbs.net] 0.0 CASHCASHCASH Contains at least 3 dollar signs in a row X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 986 Lines: 21 > But, for extra $$$, you can also buy the IBM feature "ServeRAID-7k" > which is a small DIMM-sized plugin module that adds XOR parity generation and a small cache. > > http://www-132.ibm.com/webapp/wcs/stores/servlet/ProductDisplay?productId=8735579&storeId=1&langId=-1&catalogId=-840 > > > Adaptec calls this a "zero-slot" RAID solution, and it requires a special binary driver > to recognize and handle the array functions. I would be very suspicious about the claim that the xor stuff is done in hardware and not in the binary part. I'm actually surprised that a linux friendly company like IBM actually gets involved with binary drivers like this though.... a bit disappointing. but yeah this sounds like a really bad purchase. - 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/