From owner-freebsd-stable@FreeBSD.ORG Thu Jul 9 12:30:45 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EB153106566B for ; Thu, 9 Jul 2009 12:30:44 +0000 (UTC) (envelope-from matheusber@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.176]) by mx1.freebsd.org (Postfix) with ESMTP id B26058FC1D for ; Thu, 9 Jul 2009 12:30:44 +0000 (UTC) (envelope-from matheusber@gmail.com) Received: by wa-out-1112.google.com with SMTP id m38so26008waf.27 for ; Thu, 09 Jul 2009 05:30:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:received:received :message-id:in-reply-to:references:date:subject:from:to:user-agent :mime-version:content-type:content-transfer-encoding:x-priority :importance; bh=w1PJZCRrzFqxOpdchKDNrfDDwBQDLe1e/7OhZAZVsME=; b=g4kpQeFVJwfu9DeIkNgPNUY/bo1bCVQKXupBOtMP2fw0wXbGrcywo3kkrJY9usGDkZ YAxkGnUBdgU7rQRiP5KSzb55aLMz4L349yjJAWpYfRu6KBq3HRomdZR9e52a49UqLhO5 NW0JVdqeA5TCBX2PJb5RtpCfMARbjuQYW2SmM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:in-reply-to:references:date:subject:from:to :user-agent:mime-version:content-type:content-transfer-encoding :x-priority:importance; b=Ef6qYf0tzX/IK6BiRGAOprHwAUwZxTPg1VwYvurlB0TC+IP+U9VwODwM3aomVPBRSK Fyj1GEIx7ztgwFM62Tb76xZkPS4ESI26Sl+cIQAJI5SfVGNuWTZU0J+4qpnNz+GTb17M QH4ESnQ3W95Ps8eX7LQ6eZ/MFbP/DFEenfBcU= Received: by 10.115.110.15 with SMTP id n15mr1160083wam.144.1247142644457; Thu, 09 Jul 2009 05:30:44 -0700 (PDT) Received: from cygnus.homeunix.com ([189.71.13.173]) by mx.google.com with ESMTPS id m34sm17151477waf.22.2009.07.09.05.30.42 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 09 Jul 2009 05:30:43 -0700 (PDT) Sender: Nenhum_de_Nos Received: by cygnus.homeunix.com (Postfix, from userid 80) id 9CA01B8083; Thu, 9 Jul 2009 09:30:34 -0300 (BRT) Received: from 189.93.27.2 (SquirrelMail authenticated user matheus) by cygnus.homeunix.com with HTTP; Thu, 9 Jul 2009 09:30:34 -0300 (BRT) Message-ID: <84665df87e93a6ccf24d9837cbc53eba.squirrel@cygnus.homeunix.com> In-Reply-To: References: <20090709112512.GA44158@hugo10.ka.punkt.de> <73a41d4b72d62b0bfe3d0fb7206376a8.squirrel@cygnus.homeunix.com> Date: Thu, 9 Jul 2009 09:30:34 -0300 (BRT) From: "Nenhum_de_Nos" To: freebsd-stable@freebsd.org User-Agent: SquirrelMail/1.4.15 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 (Normal) Importance: Normal Subject: Re: ZFS - thanks X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jul 2009 12:30:45 -0000 On Thu, July 9, 2009 09:25, Dan Naumov wrote: > On Thu, Jul 9, 2009 at 3:17 PM, Nenhum_de_Nos > wrote: >> >> On Thu, July 9, 2009 08:25, Patrick M. Hausen wrote: >>> Hi, all, >>> >>> I just wanted to say a big big thank you to Kip and all the >>> developers who made ZFS on FreeBSD real. >>> >>> And to everyone who provided helpful comments in the >>> last couple of days. >>> >>> I had to delete and rebuild my zpool to switch from a >>> 12-disk raidz2 to two 6-disk ones, but yesterday I could >>> replace the raw devices with glabel devices and practice >>> replacing a failed disk at the same time. ;-) >>> >>> So now we have this setup: >>> >>>       NAME               STATE     READ WRITE CKSUM >>>       zfs                ONLINE       0     0     0 >>>         raidz2           ONLINE       0     0     0 >>>           label/disk100  ONLINE       0     0     0 >>>           label/disk101  ONLINE       0     0     0 >>>           label/disk102  ONLINE       0     0     0 >>>           label/disk103  ONLINE       0     0     0 >>>           label/disk104  ONLINE       0     0     0 >>>           label/disk105  ONLINE       0     0     0 >>>         raidz2           ONLINE       0     0     0 >>>           label/disk106  ONLINE       0     0     0 >>>           label/disk107  ONLINE       0     0     0 >>>           label/disk108  ONLINE       0     0     0 >>>           label/disk109  ONLINE       0     0     0 >>>           label/disk110  ONLINE       0     0     0 >>>           label/disk111  ONLINE       0     0     0 >>> >>> which will get another enclosure with 6 750-GB-disks, soon. >>> >>> I really like the way I can manage storage from the operating >>> system without propriatary controller management software or >>> even rebooting into the BIOS. >>> >>> Kind regards, >>> Patrick >> >> I've always been curious about this. is said not good to have many disks >> in one pool. ok then. but this layout you're using in here will have the >> same effect as the twelve disks in only one pool ? (the space here is >> the >> sum of both pools ?) > > Having an enormous pool consisting of dozens of disks is not the > actual problem. Having the pool consist of large (> 9 disks) > raidz/raidz2 "groups" is. > > A single pool consising of 5 x 8 disk raidz (40 disks total) is fine. > A single pool consisting of a 40 (or any amount bigger than 9) disk > raidz is not. thanks. but the final file system in both these cases are the same ? (what I'll see in df -h). matheus -- We will call you cygnus, The God of balance you shall be A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? http://en.wikipedia.org/wiki/Posting_style