From owner-freebsd-fs@FreeBSD.ORG Sun Jun 21 20:59:49 2009 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 02EF3106564A for ; Sun, 21 Jun 2009 20:59:49 +0000 (UTC) (envelope-from mat.macy@gmail.com) Received: from mail-yx0-f200.google.com (mail-yx0-f200.google.com [209.85.210.200]) by mx1.freebsd.org (Postfix) with ESMTP id AAA428FC0A for ; Sun, 21 Jun 2009 20:59:48 +0000 (UTC) (envelope-from mat.macy@gmail.com) Received: by yxe38 with SMTP id 38so1423084yxe.3 for ; Sun, 21 Jun 2009 13:59:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type:content-transfer-encoding; bh=2w/+SMKAzr7K5Pq8Nq8bzaLUN0eo9HXWICACHXBRrv8=; b=XIsoUpghEaLTYrJl+uiGWJABqcEutFXlXclORtZpGjHr/b8Y4oKp8EM2ZGC6HX30on bkjD2jotKGZ96BCEw6RV8NtwA/6dxVwDiB6isZgfCM+UcoDkRCYeuVnpFwYrb54vdjZ+ Iwa4VsQYFsUr0KuPhnl9AGO0eJISmetf0409A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=EdzrEFEMPEsmca05T+tyB5C3O5yBaS6ULAj/WyMZvlwzclG1u2PMMh/9ltKZErowUP czMsh+sRLT8lZo6B4z2Na+eu3xsOKjTR7f1hDqiU8lrVCkIN4ZDc91v7C9iwbCPPrR+P YzWrbQz43d1h1tXNOsnzOsuAX03YUgo2JdPfI= MIME-Version: 1.0 Sender: mat.macy@gmail.com Received: by 10.100.45.13 with SMTP id s13mr6932984ans.193.1245617987847; Sun, 21 Jun 2009 13:59:47 -0700 (PDT) In-Reply-To: <20090621092736.GA92656@owl.midgard.homeip.net> References: <20090620231130.GA88907@owl.midgard.homeip.net> <3c1674c90906201808t1854dd46n82213fbd0c1c254c@mail.gmail.com> <20090621092736.GA92656@owl.midgard.homeip.net> Date: Sun, 21 Jun 2009 13:59:47 -0700 X-Google-Sender-Auth: a5f981676ed8b0be Message-ID: <3c1674c90906211359l78e1e953lfe208067aa673873@mail.gmail.com> From: Kip Macy To: Erik Trulsson Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-fs@freebsd.org Subject: Re: ufs2 / softupdates / ZFS / disk write cache X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 21 Jun 2009 20:59:49 -0000 > If you have IDE/SATA disks they will "lie". =A0SCSI/SAS disks won't. > SATA disks using NCQ should probably also be safe -- too bad FreeBSD > does not support NCQ yet. > NCQ is working in a private branch. I haven't heard an ETA from the develop= er. -Kip