From owner-freebsd-questions@FreeBSD.ORG  Wed May  7 04:53:59 2014
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id B6B83609
 for <freebsd-questions@freebsd.org>; Wed,  7 May 2014 04:53:59 +0000 (UTC)
Received: from na01-by2-obe.outbound.protection.outlook.com
 (mail-by2on0059.outbound.protection.outlook.com [207.46.100.59])
 (using TLSv1 with cipher AES128-SHA (128/128 bits))
 (Client CN "mail.protection.outlook.com",
 Issuer "MSIT Machine Auth CA 2" (verified OK))
 by mx1.freebsd.org (Postfix) with ESMTPS id 6F1E462
 for <freebsd-questions@freebsd.org>; Wed,  7 May 2014 04:53:58 +0000 (UTC)
Received: from [IPv6:2601:2:4780:2fd:7047:5608:c5d5:cbe9] (10.255.124.4) by
 BLUPR03MB019.namprd03.prod.outlook.com (10.255.208.41) with Microsoft SMTP
 Server (TLS) id 15.0.944.11; Wed, 7 May 2014 04:37:57 +0000
Message-ID: <5369B8A3.7020403@my.hennepintech.edu>
Date: Tue, 6 May 2014 23:37:55 -0500
From: Andrew Berg <aberg010@my.hennepintech.edu>
User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64;
 rv:24.0) Gecko/20100101 Thunderbird/24.5.0
MIME-Version: 1.0
To: <freebsd-questions@freebsd.org>
Subject: Re: Swap on ZFS
References: <CAHAXwYA9NBsYTpUGCZ_5f+_qDuvS+bN9vE4GAZhpRhWVWCwi7g@mail.gmail.com>
 <53697D8B.2060906@gmail.com> <C1DCD8EEE8523B91197B6D82@[192.168.1.50]>
 <5369B4A1.40506@gmail.com>
In-Reply-To: <5369B4A1.40506@gmail.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Originating-IP: [10.255.124.4]
X-ClientProxiedBy: BLUPR03CA001.namprd03.prod.outlook.com (10.255.124.18) To
 BLUPR03MB019.namprd03.prod.outlook.com (10.255.208.41)
X-Forefront-PRVS: 0204F0BDE2
X-Forefront-Antispam-Report: SFV:NSPM;
 SFS:(10009001)(6009001)(428001)(24454002)(189002)(199002)(87976001)(99396002)(65816999)(74502001)(54356999)(76176999)(81542001)(86362001)(92726001)(92566001)(74662001)(31966008)(21056001)(50986999)(4396001)(101416001)(83506001)(20776003)(23676002)(79102001)(47776003)(80022001)(64706001)(33656001)(80316001)(83322001)(76482001)(50466002)(42186004)(81342001)(75432001)(85852003)(77982001)(83072002)(46102001);
 DIR:OUT; SFP:1101; SCL:1; SRVR:BLUPR03MB019;
 H:[IPv6:2601:2:4780:2fd:7047:5608:c5d5:cbe9]; FPR:; MLV:sfv; PTR:InfoNoRecords;
 MX:1; A:0; LANG:en; 
Received-SPF: None (: my.HennepinTech.edu does not designate permitted
 sender hosts)
Authentication-Results: spf=none (sender IP is )
 smtp.mailfrom=aberg010@my.HennepinTech.edu; 
X-OriginatorOrg: my.hennepintech.edu
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 07 May 2014 04:53:59 -0000

On 2014.05.06 23:20, Rolf Nielsen wrote:
> If I want to talk to my mother, I call my mother and talk to her. I
> don't call my sister and have her call my mother and relay everything.
> And for the same reason, I don't see why I should put a filesystem or
> swap on a volume on a filesystem.
By that logic, you should talk to her in person and not relay your voice
over the phone.

zvols are far more flexible than partitions and have the added benefit
of COW (cheap snapshots and clones anyone?) and checksums
underneath. Instantly getting more space in your zpool by cutting
down unneeded swap would be quite nice.