From owner-freebsd-questions@FreeBSD.ORG Fri Aug 22 16:01:17 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4837C681 for ; Fri, 22 Aug 2014 16:01:17 +0000 (UTC) Received: from mail-wi0-x22e.google.com (mail-wi0-x22e.google.com [IPv6:2a00:1450:400c:c05::22e]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id D451333A7 for ; Fri, 22 Aug 2014 16:01:16 +0000 (UTC) Received: by mail-wi0-f174.google.com with SMTP id d1so10398015wiv.13 for ; Fri, 22 Aug 2014 09:01:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=date:from:to:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; bh=rcc59ypc19fCDJzSXrVkpDgNWppfLPvjNWfijYFQHVo=; b=bLW2xeJyOKV25s1PaeK1CCH6tgORmJKEx12tkIpR3okfDuDhuxyYW540ZQWJxftG9g F9xPa2gM+PDqHPWEkDsRSYHDS7daYnEIUWV+fyCsrFX3sCfwnDR/ctWqa70q0Ydcc1Pn QaNcrSllOE/yyz8sJhUlhbaucTvlCZkkMJp0QFVQpQ1Cil26ib894+5cyyy3cjbvaxmE 1K1GMnh5ZL446gXKMT1koN1KhI6NShOJaSUeQHy95UTyiKZhxL1qExlY4Tdoz3T+lFbn nJqHhd4a7+hjuE2mqZ9uVdEhZMw/038VPwvMWq/24szQx3GO89LJO3lVscuColv7du0B wwDA== X-Received: by 10.194.82.106 with SMTP id h10mr4554274wjy.37.1408723275063; Fri, 22 Aug 2014 09:01:15 -0700 (PDT) Received: from gumby.homeunix.com (5ec2dc90.skybroadband.com. [94.194.220.144]) by mx.google.com with ESMTPSA id kz6sm64722710wjb.47.2014.08.22.09.01.13 for (version=SSLv3 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 22 Aug 2014 09:01:14 -0700 (PDT) Date: Fri, 22 Aug 2014 17:01:12 +0100 From: RW To: freebsd-questions@freebsd.org Subject: Re: solid state drives? Message-ID: <20140822170112.69830ad9@gumby.homeunix.com> In-Reply-To: <53F2399D.5050609@hiwaay.net> References: <53F22E89.3050005@rcn.com> <53F2399D.5050609@hiwaay.net> X-Mailer: Claws Mail 3.10.1 (GTK+ 2.24.22; amd64-portbld-freebsd10.0) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Aug 2014 16:01:17 -0000 On Mon, 18 Aug 2014 12:36:29 -0500 William A. Mahaffey III wrote: > None of the SSD's are/will be as durable as spinning drives for > writes .... That said, the SLC type are more durable than MLC or > TLC .... Also more $$$$ & usually only available in smaller sizes. > Good for a root drive, i.e. mostly read-olny operations. Swap & > everything else on spinning platters .... A typical modern 120GB MLC SSD will have a specified write endurance of around 8TB which is equivalent to 1GB a day for 22 years. They should be fine for most things where there's nothing doing heavy duty writing.