From owner-freebsd-performance@FreeBSD.ORG  Thu Nov 17 19:04:55 2011
Return-Path: <owner-freebsd-performance@FreeBSD.ORG>
Delivered-To: freebsd-performance@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 057C7106564A
	for <freebsd-performance@freebsd.org>;
	Thu, 17 Nov 2011 19:04:55 +0000 (UTC) (envelope-from feld@feld.me)
Received: from mwi1.coffeenet.org (unknown [IPv6:2607:f4e0:100:300::2])
	by mx1.freebsd.org (Postfix) with ESMTP id AF9178FC08
	for <freebsd-performance@freebsd.org>;
	Thu, 17 Nov 2011 19:04:54 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=feld.me;
	s=blargle; 
	h=In-Reply-To:Message-Id:From:Mime-Version:Date:References:Subject:To:Content-Type;
	bh=jubh7kzh4Srrp4RX0Dd2u+UUvUdM0NW7/VkpmzBpD7U=; 
	b=CdjJZ7nfj1BFFrL/OLRbJa7Sd4GWom7KW4kIOyFCE3RRN4TDRb1P+5kEvtP+EL8V5JBhYcHi8u8XSByooRRlVab6KkhwkyagAt/iy4LJFDJTKvKJL2Oq+ZEqfZEHTZW9;
Received: from localhost ([127.0.0.1] helo=mwi1.coffeenet.org)
	by mwi1.coffeenet.org with esmtp (Exim 4.77 (FreeBSD))
	(envelope-from <feld@feld.me>) id 1RR7GX-000PaT-IO
	for freebsd-performance@freebsd.org; Thu, 17 Nov 2011 13:04:54 -0600
Received: from feld@feld.me by mwi1.coffeenet.org (Archiveopteryx 3.1.4)
	with esmtpsa id 1321556687-1840-1839/5/22; Thu, 17 Nov 2011 19:04:47
	+0000
Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes
To: freebsd-performance@freebsd.org
References: <CAKy=mtCcHavRFh16yaVH86Oh6DgePmxOhbQmmAySxWA5Zn8-yA@mail.gmail.com>
Date: Thu, 17 Nov 2011 13:04:46 -0600
Mime-Version: 1.0
From: Mark Felder <feld@feld.me>
Message-Id: <op.v43tx8t234t2sn@tech304>
In-Reply-To: <CAKy=mtCcHavRFh16yaVH86Oh6DgePmxOhbQmmAySxWA5Zn8-yA@mail.gmail.com>
User-Agent: Opera Mail/11.60 (FreeBSD)
X-SA-Score: -1.0
Subject: Re: ZFS Few Questions
X-BeenThere: freebsd-performance@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Performance/tuning <freebsd-performance.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-performance>
List-Post: <mailto:freebsd-performance@freebsd.org>
List-Help: <mailto:freebsd-performance-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 17 Nov 2011 19:04:55 -0000

On Thu, 17 Nov 2011 12:26:49 -0600, list, mailing <list@sprymed.com> wrote:

> Question 1:
> With the ZFS snapshots what is the lost in drive space?

ZFS tracks the blocks that change. If you change 60GB of data, you'll lose  
60GB of space. (roughly... there is probably some slight overhead but you  
get the point)

> Question 2:
> FreeBSD 9.0 installable on ZFS root?

Not in the bsdinstaller. You can do it manually though.

> Question 3:
> Anyone Recommend for MySQL server? (Performance)

No idea; I haven't run any SQL servers on ZFS

> Question 4:
> fsck used with when Server just turns off?

ZFS doesn't fsck.