From owner-freebsd-questions@FreeBSD.ORG Thu Aug 12 19:44:58 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 532A610656A3 for ; Thu, 12 Aug 2010 19:44:58 +0000 (UTC) (envelope-from dan@dan.emsphone.com) Received: from email1.allantgroup.com (email1.emsphone.com [199.67.51.115]) by mx1.freebsd.org (Postfix) with ESMTP id 05B318FC20 for ; Thu, 12 Aug 2010 19:44:57 +0000 (UTC) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by email1.allantgroup.com (8.14.0/8.14.0) with ESMTP id o7CJiuFc053432 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 12 Aug 2010 14:44:57 -0500 (CDT) (envelope-from dan@dan.emsphone.com) Received: from dan.emsphone.com (smmsp@localhost [127.0.0.1]) by dan.emsphone.com (8.14.4/8.14.4) with ESMTP id o7CJiuWW040596 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 12 Aug 2010 14:44:56 -0500 (CDT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.14.4/8.14.3/Submit) id o7CJiu02040595; Thu, 12 Aug 2010 14:44:56 -0500 (CDT) (envelope-from dan) Date: Thu, 12 Aug 2010 14:44:55 -0500 From: Dan Nelson To: David Brodbeck Message-ID: <20100812194455.GC18896@dan.emsphone.com> References: <4C63F2C9.90406@nagual.nl> <21C5042E-9613-45E1-B0D9-1C2AA422A015@gull.us> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <21C5042E-9613-45E1-B0D9-1C2AA422A015@gull.us> X-OS: FreeBSD 8.1-PRERELEASE User-Agent: Mutt/1.5.20 (2009-06-14) X-Virus-Scanned: clamav-milter 0.96 at email1.allantgroup.com X-Virus-Status: Clean X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0.2 (email1.allantgroup.com [199.67.51.78]); Thu, 12 Aug 2010 14:44:57 -0500 (CDT) Cc: FreeBSD Questions Subject: Re: ZFS data from snv_b134 to fbsd X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Aug 2010 19:44:58 -0000 In the last episode (Aug 12), David Brodbeck said: > On Aug 12, 2010, at 6:10 AM, Dick Hoogendijk wrote: > > I want to transfer a lot of ZFS data from an old OpenSolaris ZFS mirror > > (v22) to a new FreeBSD-8.1 ZFs mirror (v14). If I boot off the > > OpenSolaris boot CD and import both mirrors will the copying from v22 > > ZFS to v14 ZFS be harmless? I'm not sure if this is teh right > > mailinglist for this question. Let me know. > > I'm NOT a ZFS expert, but I think it should be OK as long as you don't > upgrade the v14 pool. OpenSolaris won't upgrade pool versions > automatically, so this shouldn' t be a problem. You can also explicitly create lower-version pools with "zpool create -o version=14 ...", if you need to create one from a machine with a newer kernel. -- Dan Nelson dnelson@allantgroup.com