From owner-freebsd-current@FreeBSD.ORG Wed Jul 14 07:30:26 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 71AB01065670 for ; Wed, 14 Jul 2010 07:30:26 +0000 (UTC) (envelope-from mm@FreeBSD.org) Received: from mail.vx.sk (core.vx.sk [188.40.32.143]) by mx1.freebsd.org (Postfix) with ESMTP id 2B7F98FC28 for ; Wed, 14 Jul 2010 07:30:25 +0000 (UTC) Received: from core.vx.sk (localhost [127.0.0.1]) by mail.vx.sk (Postfix) with ESMTP id 359EE100895; Wed, 14 Jul 2010 09:30:25 +0200 (CEST) X-Virus-Scanned: amavisd-new at mail.vx.sk Received: from mail.vx.sk ([127.0.0.1]) by core.vx.sk (mail.vx.sk [127.0.0.1]) (amavisd-new, port 10024) with LMTP id AI+4s1dOk8S0; Wed, 14 Jul 2010 09:30:21 +0200 (CEST) Received: from [10.9.8.1] (188-167-78-139.dynamic.chello.sk [188.167.78.139]) by mail.vx.sk (Postfix) with ESMTPSA id 9F58510088C; Wed, 14 Jul 2010 09:30:21 +0200 (CEST) Message-ID: <4C3D678E.5040403@FreeBSD.org> Date: Wed, 14 Jul 2010 09:30:22 +0200 From: Martin Matuska User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; sk; rv:1.8.1.23) Gecko/20090812 Lightning/0.9 Thunderbird/2.0.0.23 Mnenhy/0.7.5.0 MIME-Version: 1.0 To: jhell References: <4C3D08A5.2090109@dataix.net> In-Reply-To: <4C3D08A5.2090109@dataix.net> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: "Jason J. W. Williams" , freebsd-current@freebsd.org, grarpamp Subject: Re: [CFT] ZFS v15 patch (version 3) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Jul 2010 07:30:26 -0000 What about the OpenSolaris revision 9701 for starters? Could that help your case? 9701:cc5b64682e64 6803605 should be able to offline log devices http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6803605 6726045 vdev_deflate_ratio is not set when offlining a log device http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6726045 Dňa 14. 7. 2010 2:45, jhell wrote / napísal(a): > On 07/13/2010 12:30, Jason J. W. Williams wrote: >> If there's any way to backport ZFS log device removal that would be >> very helpful. That's the primary hold up for ops folks moving our >> OpenSolaris servers to FreeBSD. > I second this. > > In explanation I have one machine that needs to be rearranged for a > upgrade/update for a different purpose than what it is currently doing > that is holding up some of the other tasks that are planned. I already > made the mistake once in a test situation by removing a log device that > was da0 during a reboot & popped in another device, something happened, > rebooted the machine, plugged in original and the situation was > irreparable causing the pool to be corrupt. > > Needless to say it was only a test environment but this has stopped me > cold from using further log devices because of this. ;( > > This is not really top priority right now but would be a great Christmas > present ;) > > If someone points me in the right direction I guess I could always start > reviewing the changes for inclusion on a patch against head & stable/8. > > > Regards, Thanks & Good Luck, >