From owner-freebsd-questions@FreeBSD.ORG Tue Feb 15 00:05:29 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0C6D31065672 for ; Tue, 15 Feb 2011 00:05:29 +0000 (UTC) (envelope-from perrin@apotheon.com) Received: from oproxy3-pub.bluehost.com (oproxy3-pub.bluehost.com [69.89.21.8]) by mx1.freebsd.org (Postfix) with SMTP id C30558FC0A for ; Tue, 15 Feb 2011 00:05:28 +0000 (UTC) Received: (qmail 5561 invoked by uid 0); 15 Feb 2011 00:05:28 -0000 Received: from unknown (HELO box543.bluehost.com) (74.220.219.143) by oproxy3.bluehost.com with SMTP; 15 Feb 2011 00:05:28 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=apotheon.com; h=Date:From:To:Subject:Message-ID:Mail-Followup-To:References:Mime-Version:Content-Type:Content-Disposition:In-Reply-To:User-Agent:X-Identified-User; b=mGPVcHh5IzjVBAXteW03eID2CsbpBnpzxQLj5fMUI3PhuMpUpJkJCmaPpqhyqrDcls3FzjB9EugrcP1u70EH56eW5rukrHAtD+pYmqoQjAMIJUZ6UfN35uB04RslSSOj; Received: from c-24-8-180-234.hsd1.co.comcast.net ([24.8.180.234] helo=kukaburra.hydra) by box543.bluehost.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69) (envelope-from ) id 1Pp8Q3-00039T-2X for freebsd-questions@freebsd.org; Mon, 14 Feb 2011 17:05:28 -0700 Received: by kukaburra.hydra (sSMTP sendmail emulation); Mon, 14 Feb 2011 16:55:07 -0700 Date: Mon, 14 Feb 2011 16:55:07 -0700 From: Chad Perrin To: FreeBSD Message-ID: <20110214235507.GA66554@guilt.hydra> Mail-Followup-To: FreeBSD References: <20110213092353.GA58281@guilt.hydra> <20110213073801.65518b9c@scorpio> <20110213131051.00001ebf@unknown> <20110213085805.72f0132d@scorpio> <20110213164748.GB60459@guilt.hydra> <20110213181223.GD55168@orange.esperance-linux.co.uk> <7583C9E5-EA30-4C75-BDF7-C1BA123B8334@mac.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="GvXjxJ+pjyke8COw" Content-Disposition: inline In-Reply-To: <7583C9E5-EA30-4C75-BDF7-C1BA123B8334@mac.com> User-Agent: Mutt/1.4.2.3i X-Identified-User: {2737:box543.bluehost.com:apotheon:apotheon.org} {sentby:smtp auth 24.8.180.234 authed with ren@apotheon.org} Subject: Re: FreeBSD and SSD drives X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Feb 2011 00:05:29 -0000 --GvXjxJ+pjyke8COw Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Feb 14, 2011 at 03:32:30PM -0800, Chuck Swiger wrote: >=20 > >From what I understand (a quick review of wikipedia helps :), modern > >flash cards are now typically rated for 100K writes, include ECC bits > >to actually correct or at least detect errors and try to remap bad > >blocks to unused blocks, and implement wear-leveling techniques of > >varying degrees of effectiveness. >=20 > Regards, > --=20 > -Chuck >=20 > PS: Reposted from a NetBSD thread, was > .... Just make sure you double-check the rating for the specific SSD storage hardware you're actually using. The fact the state of the art is better now than it was does not mean you are using state of the art hardware. --=20 Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ] --GvXjxJ+pjyke8COw Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAk1ZwNsACgkQ9mn/Pj01uKWhHACg6ObI3eTY14yea4YSZ6/Z+QOw fekAoOfz+4i7RHhx6Ydsju/PxuXNEg7F =g7Ca -----END PGP SIGNATURE----- --GvXjxJ+pjyke8COw--