From owner-freebsd-questions@FreeBSD.ORG Tue Jun 23 21:05:15 2009 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 978BD106564A for ; Tue, 23 Jun 2009 21:05:15 +0000 (UTC) (envelope-from kurt.buff@gmail.com) Received: from mail-ew0-f212.google.com (mail-ew0-f212.google.com [209.85.219.212]) by mx1.freebsd.org (Postfix) with ESMTP id 24A9E8FC08 for ; Tue, 23 Jun 2009 21:05:14 +0000 (UTC) (envelope-from kurt.buff@gmail.com) Received: by ewy8 with SMTP id 8so533711ewy.43 for ; Tue, 23 Jun 2009 14:05:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=wjn5Mh3zAUZg7NbZyMkIHtNvThgck0xk3fhxIDdYHe4=; b=om18gqqsTipsk0BFYtU7Inht0t3mnNyRBXxvO3KydS2pxxS1FGM7oofBfH3R5WClpy 5OqffjQ62kFuG1hPhhHRKeR2KjbU+GF+ZEqXOOr5O8STglS8l0Lo72WvYIN1JTvoJt8g p4Qi3nyqTvO6k6nlYpvsvy2e62Jz+Pc8Acbe8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=XtLEn7eWdv5A4EnGvZZ/0Kd0l1PeNeqEC1Y/4+f9UMgvUZuu3L1HBpFVY9jcZQvnZN /mWfl4U1pQsLZS6+UasesmFMc9X5hr0Rq6mizVb4YnoNV8CmiVpI2D5LFAYs6XbNdKsJ cDCkx90ydxV9dZHjZMETqoTvDjX+6lF30yCic= MIME-Version: 1.0 Received: by 10.210.16.17 with SMTP id 17mr6846348ebp.94.1245791114016; Tue, 23 Jun 2009 14:05:14 -0700 (PDT) In-Reply-To: <20090623205944.GA43982@Grumpy.DynDNS.org> References: <20090622230729.GA20167@thought.org> <20090623201041.GA23561@thought.org> <20090623205944.GA43982@Grumpy.DynDNS.org> Date: Tue, 23 Jun 2009 14:05:13 -0700 Message-ID: From: Kurt Buff To: FreeBSD-Questions@freebsd.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: Gary Kline Subject: Re: you're not going to believe this. 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, 23 Jun 2009 21:05:15 -0000 On Tue, Jun 23, 2009 at 13:59, David Kelly wrote: > On Tue, Jun 23, 2009 at 01:10:41PM -0700, Gary Kline wrote: >> >> =C2=A0 =C2=A0 =C2=A0 battery-backed ram sound great for the time being! >> >> =C2=A0 =C2=A0 =C2=A0 if not now [this minute], then relatively soon, i'm= guessing >> =C2=A0 =C2=A0 =C2=A0 within a few years somebody will have a solid-state= device that emulates >> =C2=A0 =C2=A0 =C2=A0 the current mechanical technology. =C2=A0it will wi= nd up being considerably >> =C2=A0 =C2=A0 =C2=A0 faster than the current drives and suck Much less j= uice. > > We are already there. SSDs are not slower than mechanical disk drives, > they are faster. The only detriments are 1) cost, 2) limited write life. Not completely there, AFAIK - FlashRAM write speeds are still significantly slower than standard RAM. Of course, standard RAM is significantly more expensive than FlashRAM, especially with the battery backup, but it doesn't have the limited write life. Kurt