From owner-freebsd-fs@FreeBSD.ORG Thu Jul 4 13:21:40 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id DF64A3BF; Thu, 4 Jul 2013 13:21:40 +0000 (UTC) (envelope-from c.kworr@gmail.com) Received: from mail-la0-x231.google.com (mail-la0-x231.google.com [IPv6:2a00:1450:4010:c03::231]) by mx1.freebsd.org (Postfix) with ESMTP id 38A4D1671; Thu, 4 Jul 2013 13:21:40 +0000 (UTC) Received: by mail-la0-f49.google.com with SMTP id ea20so1212180lab.8 for ; Thu, 04 Jul 2013 06:21:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=Dr++XZmDvxVgRSyC2H6iq8OFhWPYoQT+NjCHtWnhDYk=; b=WJiQ8Rz5/T7Zh0cePQDiRA0J+ZhgOLYuwGFoa3V8Lk/B5uWxWAwxpg+b6VXEuRURj0 T3YBXyquDBR72iXx2wJ706od+Zs77/wZ7wR3uWWgsz/eQIFcLDfSPUMMybhx7fcE6sDY C1JZbNpj4yF1umUcDoGHo27AKVglqjZq9u9TksaONpE/UXbbY4D2wxB37qxyqZfB182G /zlQtOERsDwxM9C8K/kH/mpZXLuaYBjRoMmp5GxLodWZb8xjQS7aytFBm5Egvww3gB2/ Lg3cqBN/W3oZAcbycKBdjFHn42CUwyypCcA9Hx89+ynwR89O6mkVelNWaeN/CXhRpky/ k0uw== X-Received: by 10.112.218.68 with SMTP id pe4mr3521483lbc.40.1372944099089; Thu, 04 Jul 2013 06:21:39 -0700 (PDT) Received: from [192.168.1.139] (mau.donbass.com. [92.242.127.250]) by mx.google.com with ESMTPSA id x5sm1264083lbx.8.2013.07.04.06.21.38 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 04 Jul 2013 06:21:38 -0700 (PDT) Message-ID: <51D576E1.6030803@gmail.com> Date: Thu, 04 Jul 2013 16:21:37 +0300 From: Volodymyr Kostyrko User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130627 Thunderbird/17.0.7 MIME-Version: 1.0 To: Dmitry Morozovsky Subject: Re: ZFS default compression algo for contemporary FreeBSD versions References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-fs@FreeBSD.org, avg@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: Thu, 04 Jul 2013 13:21:40 -0000 04.07.2013 15:22, Dmitry Morozovsky wrote: > Collegues, > > is it sane to just set 'zfs compression=on dataset' to achieve best algo on > fresh FreeBSD systems (-current and/or stable/9)? No and this is not safe AFAIK. Default compression is still lzjb and bootloader can't boot oof datasets compressed with lzjb. However on stable/9 you can simply set zfs compression=lz4 pool and everything would work fine if you updated the boot loader. -- Sphinx of black quartz, judge my vow.