From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on sa.int.altlinux.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_NEUTRAL autolearn=no version=3.2.5 Message-ID: <50CA2068.70304@gmail.com> Date: Thu, 13 Dec 2012 22:37:28 +0400 From: Alexey Borisenkov User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: hardware@lists.altlinux.org References: <1354481997.24727.3.camel@localhost.localdomain> <1354530634.25382.2.camel@localhost.localdomain> <50BC8551.8000704@gmail.com> <1354554618.30108.1.camel@localhost.localdomain> <50BCEF3C.70600@gmail.com> <1355423898.11962.0.camel@localhost.localdomain> In-Reply-To: <1355423898.11962.0.camel@localhost.localdomain> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: [Hardware] SDA Write cache doesn't support DPO or FUA X-BeenThere: hardware@lists.altlinux.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: hardware@lists.altlinux.org List-Id: ALT Linux hardware support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Dec 2012 18:37:46 -0000 Archived-At: List-Archive: List-Post: 13.12.2012 22:38, gBopHuk_alt пишет: > В Пнд, 03/12/2012 в 22:28 +0400, Alexey Borisenkov пишет: >> cat /sys/block/sda/queue/scheduler > > Как я понял можно поменять cfq на nfq? nfq? cfq можно поменять на noop, при условии, что включен NCQ (то есть в /sys/block/sda/device/queue_depth записано 31). Или наоборот, оставить cfq и выключить NCQ. Что из этого лучше — покажет эксперимент.