From owner-freebsd-questions@FreeBSD.ORG Mon Dec 2 10:49:22 2013 Return-Path: Delivered-To: freebsd-questions@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 ESMTPS id AA11C30F for ; Mon, 2 Dec 2013 10:49:22 +0000 (UTC) Received: from relaygateway02.edpnet.net (relaygateway02.edpnet.net [212.71.1.211]) by mx1.freebsd.org (Postfix) with ESMTP id D67A416DF for ; Mon, 2 Dec 2013 10:32:41 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AoEIADBhnFJNbXbJ/2dsb2JhbABZgwc4g020RAJJToEhF3SCJQEBAQQBAQEgKwgYCxALGAICBRMOAgIPBRMBCQgkCAcEAQgUBIdkCa8niRWGXReBKY0OAQFPB4JrgUgDlUWCTgGBMJBjgyo7MYEE X-IPAS-Result: AoEIADBhnFJNbXbJ/2dsb2JhbABZgwc4g020RAJJToEhF3SCJQEBAQQBAQEgKwgYCxALGAICBRMOAgIPBRMBCQgkCAcEAQgUBIdkCa8niRWGXReBKY0OAQFPB4JrgUgDlUWCTgGBMJBjgyo7MYEE X-IronPort-AV: E=Sophos;i="4.93,810,1378850400"; d="scan'208";a="209391349" Received: from 77.109.118.201.adsl.dyn.edpnet.net (HELO mordor.lan) ([77.109.118.201]) by relaygateway02.edpnet.net with ESMTP/TLS/DHE-RSA-AES256-SHA; 02 Dec 2013 11:15:49 +0100 Date: Mon, 2 Dec 2013 11:31:22 +0100 From: Julien Cigar To: "Mike." Subject: Re: gmirror, gpart and MBR vs GPT in the Handbook Message-ID: <20131202103122.GN66981@mordor.lan> References: <201311301303210813.05DE187E@smtp.24cl.home> <201312011121580096.005D00FB@smtp.24cl.home> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <201312011121580096.005D00FB@smtp.24cl.home> User-Agent: Mutt/1.5.22 (2013-10-16) Cc: freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Dec 2013 10:49:22 -0000 If you want to use GPT with gmirror you may want to mirror each partition instead of the whole disk. For example on my box I have the following: https://dpaste.de/Rb3S On Sun, Dec 01, 2013 at 11:21:58AM -0500, Mike. wrote: > On 11/30/2013 at 2:17 PM Warren Block wrote: > > |On Sat, 30 Nov 2013, Mike. wrote: > | > | [snip] > | > |> Is there a specific reason why MBR was used in the Handbook > |> example for creating a mirror, instead of GPT? > | > |Yes, there was, see the last paragraph of the Metadata Issues > |subsection, > |http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/geom-m > irror.html#geom-mirror-metadata > | > |[snip] > ============= > > > A question about the wording of that paragraph. The second > sentence states: > > "Because GPT partition schemes also store metadata at the end of > the disk, mirroring full GPT disks with gmirror(8) is not > recommended." > > > The word "full" is ambiguous. Is it to mean, "full" as in 'full > of data', or "full" as in 'the entire disk'? > > > Thanks. > > > > > > > > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" -- No trees were killed in the creation of this message. However, many electrons were terribly inconvenienced.