From owner-freebsd-fs@FreeBSD.ORG Tue Oct 15 12:54:13 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 38F3FD14 for ; Tue, 15 Oct 2013 12:54:13 +0000 (UTC) (envelope-from ronald-freebsd8@klop.yi.org) Received: from cpsmtpb-ews01.kpnxchange.com (cpsmtpb-ews01.kpnxchange.com [213.75.39.4]) by mx1.freebsd.org (Postfix) with ESMTP id C58142023 for ; Tue, 15 Oct 2013 12:54:12 +0000 (UTC) Received: from cpsps-ews09.kpnxchange.com ([10.94.84.176]) by cpsmtpb-ews01.kpnxchange.com with Microsoft SMTPSVC(7.5.7601.17514); Tue, 15 Oct 2013 14:53:04 +0200 Received: from CPSMTPM-TLF102.kpnxchange.com ([195.121.3.5]) by cpsps-ews09.kpnxchange.com with Microsoft SMTPSVC(7.5.7601.17514); Tue, 15 Oct 2013 14:53:04 +0200 Received: from sjakie.klop.ws ([212.182.167.131]) by CPSMTPM-TLF102.kpnxchange.com with Microsoft SMTPSVC(7.5.7601.17514); Tue, 15 Oct 2013 14:53:04 +0200 Received: from 212-182-167-131.ip.telfort.nl (localhost [127.0.0.1]) by sjakie.klop.ws (Postfix) with ESMTP id 3AD6534CF for ; Tue, 15 Oct 2013 14:53:04 +0200 (CEST) Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes To: freebsd-fs@freebsd.org Subject: Re: Questions re swap-on-zfs References: <1380880223590-5848720.post@n5.nabble.com> <524EEE40.5060208@gmail.com> <1381060830753-5849397.post@n5.nabble.com> <20131006123350.GJ3287@sludge.elizium.za.net> <1381683172518-5851539.post@n5.nabble.com> Date: Tue, 15 Oct 2013 14:53:04 +0200 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: "Ronald Klop" Message-ID: In-Reply-To: <1381683172518-5851539.post@n5.nabble.com> User-Agent: Opera Mail/12.16 (FreeBSD) X-OriginalArrivalTime: 15 Oct 2013 12:53:04.0634 (UTC) FILETIME=[7D1FB5A0:01CEC9A5] X-RcptDomain: freebsd.org 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, 15 Oct 2013 12:54:13 -0000 On Sun, 13 Oct 2013 18:52:52 +0200, Beeblebrox wrote: > Thanks everyone for the assistance and the explanation for why swap "pri" > will not work. > > @Ronald Klop: Wouldn't going through ccd(4) slow the throughput to the > HDD > by reason of extra processing layer? I want to make sure there is close > to > none of performance penalty before implementing. Theoretically yes, but in practice I think you will not notice a difference. You can also use gconcat for about the same effect. Remind that you will loose all swap if one of the concatenated disks fails. Ronald. > > Thanks. > > > > > > ----- > FreeBSD-9.2-stable_amd64_root-on-zfs_clang-only-world > -- > View this message in context: > http://freebsd.1045724.n5.nabble.com/Questions-re-swap-on-zfs-tp5848720p5851539.html > Sent from the freebsd-fs mailing list archive at Nabble.com. > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"