From owner-freebsd-questions@freebsd.org Wed Sep 9 16:07:32 2015 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 30A9D9CC896 for ; Wed, 9 Sep 2015 16:07:32 +0000 (UTC) (envelope-from wam@hiwaay.net) Received: from fly.hiwaay.net (fly.hiwaay.net [216.180.54.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id EF95A1DD0 for ; Wed, 9 Sep 2015 16:07:31 +0000 (UTC) (envelope-from wam@hiwaay.net) Received: from kabini1.local (dynamic-216-186-222-143.knology.net [216.186.222.143] (may be forged)) (authenticated bits=0) by fly.hiwaay.net (8.13.8/8.13.8/fly) with ESMTP id t89G7T9c016644 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Wed, 9 Sep 2015 11:07:30 -0500 Subject: Re: Storage question References: <55EF3D23.5060009@hiwaay.net> <20150908220639.20412cbd@gumby.homeunix.com> <55EF5409.8020007@yahoo.com> <55EFC2DA.3020101@hiwaay.net> <08B351DD-AA48-4F30-B0D6-C500D0877FB3@lafn.org> <55F02DC8.7000706@hiwaay.net> <20150909150626.5c3b99e5.freebsd@edvax.de> <55F031A0.40500@hiwaay.net> <20150909145820.c3b48aafad4f70553c1c1fd8@sohara.org> <55F0451A.5080709@hiwaay.net> <20150909160005.d3b84775c3d0748014a871e5@sohara.org> <55F04D78.8070508@hiwaay.net> Cc: FreeBSD Questions From: "William A. Mahaffey III" Message-ID: <55F05941.70502@hiwaay.net> Date: Wed, 9 Sep 2015 11:12:59 -0453.75 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Sep 2015 16:07:32 -0000 On 09/09/15 10:42, Adam Vande More wrote: > On Wed, Sep 9, 2015 at 10:15 AM, William A. Mahaffey III > > wrote: > > The online docs all seem to show swap within the zpool as well, > does that work OK, performance wise ? > > > I know they don't all say that except for perhaps "don't do it". > Having a file backed swap on ZFS(or really any FS) or a ZVOL backed > swap is a bad idea doomed from the start. It'll work just fine as > long as there is no memory pressure and will collapse under severe > pressure. > > > > -- > Adam Yeah I caught that right after I hit the 'return' key :-/ .... -- William A. Mahaffey III ---------------------------------------------------------------------- "The M1 Garand is without doubt the finest implement of war ever devised by man." -- Gen. George S. Patton Jr.