From owner-freebsd-fs@FreeBSD.ORG Tue Nov 20 04:05:58 2012 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9BA0579E for ; Tue, 20 Nov 2012 04:05:58 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com [209.85.217.182]) by mx1.freebsd.org (Postfix) with ESMTP id 07D7D8FC12 for ; Tue, 20 Nov 2012 04:05:57 +0000 (UTC) Received: by mail-lb0-f182.google.com with SMTP id go10so2651598lbb.13 for ; Mon, 19 Nov 2012 20:05:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eitanadler.com; s=0xdeadbeef; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type; bh=uI0hhJhBoqM3TCJL/xL4eVe61yxS00r0hU5vraeEdnY=; b=mYlvN+UIZRLy0ko73TFUaqMZavs6nIcJ3tW4duF5sKRu5hPaGjh+XHbCNnpmXzGobt 5DpPuUUuSaK5eYKYw1nNCdV0hFOjK+cgqCDh0kwzQ1eWz7wWSbUYTCAe2bdD0GvJFyYp 9FhjMPEOtXiizP1KklU0itemgguy0zyjEenLU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type :x-gm-message-state; bh=uI0hhJhBoqM3TCJL/xL4eVe61yxS00r0hU5vraeEdnY=; b=O8nNTBfwB+Q9RaHFi3WmTMFZPf3qq8SdlugeiA3fPKUyebw7gvYLbNHZVXfVV9cs6c VqV+6nnFOOmwrzwVBCCXfqTJYrIrH4YrQ2yntz9/0pyzeZgGqDpUmFBRPx/c5fUSIYxg z7n5ir/zFkM4POkTyxDZ4DP3zFHuztA8QX/NwojiJY28pvDMiCgq3CXbAcKFhc5bseGA eUMbcoZuKP6x7XVmPLEujmJVlluAxK/vZQCgiZA+6dZ+/Tp9whZaoR2xhYjgfa5HJk0n F3duSeBHzHOZsd9wQC9HSJVZR8U4OdMQuHSuSezARbU8E6MsS4Vx9A70EvBlGYodAkdl dRuA== Received: by 10.112.54.40 with SMTP id g8mr6009986lbp.49.1353384356703; Mon, 19 Nov 2012 20:05:56 -0800 (PST) MIME-Version: 1.0 Sender: lists@eitanadler.com Received: by 10.112.25.166 with HTTP; Mon, 19 Nov 2012 20:05:26 -0800 (PST) In-Reply-To: References: <57ac1f$gf3rkl@ipmail05.adl6.internode.on.net> <50A31D48.3000700@shatow.net> <57ac1f$gg70bn@ipmail05.adl6.internode.on.net> From: Eitan Adler Date: Mon, 19 Nov 2012 23:05:26 -0500 X-Google-Sender-Auth: A75_2zdlwiRGr2PCNldNemVPmO0 Message-ID: Subject: Re: ZFS FAQ (Was: SSD recommendations for ZFS cache/log) To: Stephen McKay Content-Type: text/plain; charset=UTF-8 X-Gm-Message-State: ALoCoQkaLGvC12Cg17SFT4mx6rlDUQ1n4u2FyzloTpe1xV5FScVf9Tqr8p3Dtj1WkMBANJE5IzSQ Cc: FreeBSD FS X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Nov 2012 04:05:58 -0000 On 16 November 2012 13:41, Eitan Adler wrote: > On 15 November 2012 23:58, Stephen McKay wrote: >> On Thursday, 15th November 2012, Eitan Adler wrote: >> >>>Can people here please tell me what is wrong in the following content? >> >> A few things. I'll intersperse them. >> >>>Is there additional data or questions to add? >> >> The whole ZFS world desperately needs good documentation. There >> are misconceptions everywhere. There are good tuning hints and >> bad (or out of date) ones. Further, it depends on your target >> application whether the defaults are fairly good or plain suck. > > New version of the patch taking into account the comments so far: > > http://people.freebsd.org/~eadler/files/add-zfs-faq-section.diff Thanks for all the comments, private and public. I've committed a modified version of the above. -- Eitan Adler Source, Ports, Doc committer Bugmeister, Ports Security teams