From owner-freebsd-questions@freebsd.org Tue Aug 25 18:03:43 2015 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 05C269C3728 for ; Tue, 25 Aug 2015 18:03:43 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from mail-in7.apple.com (mail-out7.apple.com [17.151.62.29]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D2C999AE for ; Tue, 25 Aug 2015 18:03:42 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from relay5.apple.com (relay5.apple.com [17.128.113.88]) by mail-in7.apple.com (Apple Secure Mail Relay) with SMTP id 2B.FD.20099.EFDACD55; Tue, 25 Aug 2015 11:03:42 -0700 (PDT) X-AuditID: 11973e16-f793e6d000004e83-8b-55dcadfedc3a Received: from [17.168.90.119] (Unknown_Domain [17.168.90.119]) (using TLS with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by relay5.apple.com (Apple SCV relay) with SMTP id 04.A5.04920.DFDACD55; Tue, 25 Aug 2015 11:03:42 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) Subject: Re: Stop using a SATA drive From: Charles Swiger In-Reply-To: <20150825185151.d9373b1f.freebsd@edvax.de> Date: Tue, 25 Aug 2015 11:03:40 -0700 Cc: FreeBSD - Content-Transfer-Encoding: quoted-printable Message-Id: References: <20150824214252.53aa04c6.freebsd@edvax.de> <20150825162122.b770fc6a.freebsd@edvax.de> <20150825185151.d9373b1f.freebsd@edvax.de> To: Polytropon X-Mailer: Apple Mail (2.2104) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrALMWRmVeSWpSXmKPExsUi2FAYoftv7Z1Qgxdf2S1eft3EYnH12gVW ByaPm63LmDxmfJrPEsAUxWWTkpqTWZZapG+XwJVx4X0je8FVjopvKy4zNTB+YOti5OSQEDCR WLL5MwuELSZx4d56oDgXh5DAXkaJX+uPscIUTXr2iAUiMZVJ4ui0bYwgCWYBLYkb/14ygdi8 AnoSr25dBmsQFlCRuHfyNlANBwebgJrEhIk8IGFOAXOJo1dOMYPYLAKqEh2vm5ggxuhKNN14 CzVSW2LZwtfMECOtJBa0z2WE2HubSaLxxnKw+SICihIzmxZDHScrsfv3IyaQIgmBt6wS8+6u ZZ7AKDQLyX2zkNw3C8mSBYzMqxiFchMzc3Qz88z1EgsKclL1kvNzNzGCgni6ndgOxoerrA4x CnAwKvHwzph/O1SINbGsuDL3EKM0B4uSOG+uAVBIID2xJDU7NbUgtSi+qDQntfgQIxMHp1QD Y95bo51+MXfTfq7/tP6qFN8GV6G5qVOuHHYI37m92tdljsCUO7OCEiLmCN703HJqctguBzmG ywFiRme0U37kKiQsnCAbxs70IXa2b8LSB8WhCzqPmfi5fDyk1qmesC3XLfnXBYYW+22ul56Z PtF0WDJHXr4hwHfhy77Ar84np4cfCvY1D9MMVWIpzkg01GIuKk4EAIhZP85DAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrMLMWRmVeSWpSXmKPExsUiuCKqXPff2juhBks7mCxeft3EYnH12gVW ByaPm63LmDxmfJrPEsAUxWWTkpqTWZZapG+XwJVx4X0je8FVjopvKy4zNTB+YOti5OSQEDCR mPTsEQuELSZx4d56oDgXh5DAVCaJo9O2MYIkmAW0JG78e8kEYvMK6Em8unWZFcQWFlCRuHfy NlANBwebgJrEhIk8IGFOAXOJo1dOMYPYLAKqEh2vm5ggxuhKNN14CzVSW2LZwtfMECOtJBa0 z2WE2HubSaLxxnKw+SICihIzmxazQhwnK7H79yOmCYz8s5CcNAvJSbOQzF3AyLyKUaAoNSex 0lQvsaAgJ1UvOT93EyMo6BoKI3Yw/l9mdYhRgINRiYd3xvzboUKsiWXFlbmHGCU4mJVEeJ9v BArxpiRWVqUW5ccXleakFh9ilOZgURLn5V0OlBJITyxJzU5NLUgtgskycXBKNTCyxhz8HJz1 +P6ujC5HqeW6eR5nYx7tC+s+M5/X/ssGAU75tmMtSde7Ll5+qnvbsqny3NNSd2Z+Vqv713U8 jTpTSos2ehXc0lKe53FSw+COQil3SOOJj9oSun8tStN/sN3656vJFSC6VrXX+Uh6r1t79Q7p lmbTHLeFackTRXYLLN0jf01YUImlOCPRUIu5qDgRAIVa1JA2AgAA X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Aug 2015 18:03:43 -0000 On Aug 25, 2015, at 9:51 AM, Polytropon wrote: > On Tue, 25 Aug 2015 09:35:16 -0700, Adrian Chadd wrote: >> You can likely send commands to USB disks for "plz sync and power = down thx". >=20 > But it will be something the _device_ has to implement, I'd say. Sure. Every external USB hard drive needs to implement flush cache, = idle, standby, and sleep or else they'd lose data whenever folks had their machines go = to sleep. >> You can almost always turn off and on USB ports on your computer. >=20 > Including power? The mainboards that I owned usually did not > have settings for disabling USB ports and their power... > In most cases, power was available even when the board > had power, but the machine didn't run yet. Try a newer motherboard based off of the H97 / Z97 chipsets, or at least the prior H75/H77/Z75/Z77 generations. UEFI BIOS gives a whole lot more options for USB and SATA power management, including explicitly enabling or disabling power to individual ports either in UEFI at system boot or while running. Regards, --=20 -Chuck