Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750992AbVKARON (ORCPT ); Tue, 1 Nov 2005 12:14:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750987AbVKARON (ORCPT ); Tue, 1 Nov 2005 12:14:13 -0500 Received: from mail.enyo.de ([212.9.189.167]:21635 "EHLO mail.enyo.de") by vger.kernel.org with ESMTP id S1750992AbVKAROL (ORCPT ); Tue, 1 Nov 2005 12:14:11 -0500 From: Florian Weimer To: Lawrence Walton Cc: Alex Bligh - linux-kernel , LKML Subject: Re: 3ware 9550SX problems - mke2fs incredibly slow writing last third of inode tables References: <87oe54cza8.fsf@mid.deneb.enyo.de> <20051101170413.GA11640@the-penguin.otak.com> Date: Tue, 01 Nov 2005 18:13:59 +0100 In-Reply-To: <20051101170413.GA11640@the-penguin.otak.com> (Lawrence Walton's message of "Tue, 1 Nov 2005 09:04:13 -0800") Message-ID: <87wtjs8f54.fsf@mid.deneb.enyo.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 771 Lines: 19 * Lawrence Walton: >> In my experience, the 3ware SATA controllers which are not NCQ-capable >> have very, very lousy write performance with some drives, unless you >> enable the write cache (which is, of course, a bit dangerous without >> UPS or battery backup on the controller). > Not to sound like the a 3ware chearleader, but this card does support NCQ. Oh. I didn't know whether this particukar controller supported NCQ or not. BTW, does anybody know if NCQ support is available for the 9500S in a firmware upgrade? - 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/