From owner-freebsd-hackers@freebsd.org Sun Sep 11 16:55:29 2016 Return-Path: Delivered-To: freebsd-hackers@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 CBF5DBD6A20 for ; Sun, 11 Sep 2016 16:55:29 +0000 (UTC) (envelope-from allanjude@freebsd.org) Received: from mx1.scaleengine.net (mx1.scaleengine.net [209.51.186.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id AAB093D5 for ; Sun, 11 Sep 2016 16:55:29 +0000 (UTC) (envelope-from allanjude@freebsd.org) Received: from [10.1.1.2] (unknown [10.1.1.2]) (Authenticated sender: allanjude.freebsd@scaleengine.com) by mx1.scaleengine.net (Postfix) with ESMTPSA id 52CF0181C for ; Sun, 11 Sep 2016 16:55:28 +0000 (UTC) Subject: Re: Laptop disk spindown To: freebsd-hackers@freebsd.org References: <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com> From: Allan Jude Message-ID: <384fd7ca-b779-3e66-eaa9-c2c27dca4dc0@freebsd.org> Date: Sun, 11 Sep 2016 12:55:27 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="We7RQDOLJxJTh1VIEhUnGaEPIjnBP4WnK" X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Sep 2016 16:55:29 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --We7RQDOLJxJTh1VIEhUnGaEPIjnBP4WnK Content-Type: multipart/mixed; boundary="CLtaxLgLmgXN7peQ4l5m7RwnshSJtUmv0" From: Allan Jude To: freebsd-hackers@freebsd.org Message-ID: <384fd7ca-b779-3e66-eaa9-c2c27dca4dc0@freebsd.org> Subject: Re: Laptop disk spindown References: <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com> In-Reply-To: <50125b8f-f24d-6b78-f474-7e97017302e3@m5p.com> --CLtaxLgLmgXN7peQ4l5m7RwnshSJtUmv0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 2016-09-11 12:50, George Mitchell wrote: > Smartctl reports that my laptop disk has started and stopped > 101,798 times in 2,027 hours of operation, or roughly once a > minute. I imagine that saves wear and tear on the disk, but > it also makes the laptop seem remarkably sluggish for an A8 > based system. Isn't there some sysctl that will lengthen the > idle time before stopping the disk? I don't see one in the > ada man page. -- George > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.o= rg" >=20 This is controlled by the drive firmware, not the OS, however, you can often use camcontrol(8) to adjust it. I don't have the exact command handy, sorry. --=20 Allan Jude --CLtaxLgLmgXN7peQ4l5m7RwnshSJtUmv0-- --We7RQDOLJxJTh1VIEhUnGaEPIjnBP4WnK Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (MingW32) iQIcBAEBAgAGBQJX1Yx/AAoJEBmVNT4SmAt+sSEQAIJyzokleV6wg4LE0PvKQA6D RmvUPU9YnjYX/XpFEfJJdRP5cDZ4NGg+ETP3A+MbRg4n3QpTBHfwjD29fazJZWDa MYedNUDj8hJ2XCCVmXav1ysNhj/hASEsuahKc2R10ckfG3mRLMyfjiJhh2N/KpWu VMX0PfhN0ETew5Ln3owR9TjeSZb2/DyA8/5dNf2G4mI2mgEY0o/IzJ3qNXlM0m6H CdlAspq6OkxDgw6+5NjpsSZHdHVjKmpvd7aOJsRDURmtakLp4SPc9Ajk3CmGSwXz ud2+62FQYxYXI2/QDXLXj3lz2Af+h1+w7g+s7dzM3rNHke9McYTzMO3ycXm3+yWJ R6XiRsrqrpTmZQOAn+JJJ9O4Ufo/JHhg5pe893TIPEhLFL2MTyZ7l3SMAEEclZfh ksmwhYqIzE7XvvYNcxAPD36U0v5Yq/by4CC2e478n5gJi16dbJiSLXxC9qd5oDhc /ErD5SyQnEvQwnR+TBxX+aIBWaxXysVmbqn5TjzrEfK1d4vZIJaUMrNePcLlQGPI bu6fmSy7DFQ73dzVDx0hOu1ajWO/9/B3gvuFkxW6XlLx8Y/bmIaLCfXmqsgnhJKS b/KqnBotlRkTYEkDNYPFAKgb5qZIOp70S5xUvbsDB28pTZCcPiNt17RymO817KHn mLeJzU0QAbtGK40/0hRp =NVm4 -----END PGP SIGNATURE----- --We7RQDOLJxJTh1VIEhUnGaEPIjnBP4WnK--