From owner-freebsd-doc@FreeBSD.ORG Wed Jun 6 09:51:12 2012 Return-Path: Delivered-To: doc@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 442121065670 for ; Wed, 6 Jun 2012 09:51:12 +0000 (UTC) (envelope-from hrs@FreeBSD.org) Received: from mail.allbsd.org (gatekeeper.allbsd.org [IPv6:2001:2f0:104:e001::32]) by mx1.freebsd.org (Postfix) with ESMTP id 5F9238FC17 for ; Wed, 6 Jun 2012 09:51:11 +0000 (UTC) Received: from alph.allbsd.org (p4242-ipbf1504funabasi.chiba.ocn.ne.jp [118.7.211.242]) (authenticated bits=128) by mail.allbsd.org (8.14.5/8.14.5) with ESMTP id q569opBF009045; Wed, 6 Jun 2012 18:51:03 +0900 (JST) (envelope-from hrs@FreeBSD.org) Received: from localhost (localhost [IPv6:::1]) (authenticated bits=0) by alph.allbsd.org (8.14.4/8.14.4) with ESMTP id q569onm6035415; Wed, 6 Jun 2012 18:50:50 +0900 (JST) (envelope-from hrs@FreeBSD.org) Date: Wed, 06 Jun 2012 18:50:23 +0900 (JST) Message-Id: <20120606.185023.497714372668376681.hrs@allbsd.org> To: wblock@wonkity.com From: Hiroki Sato In-Reply-To: References: <20120605.051840.668781590183332493.hrs@allbsd.org> X-PGPkey-fingerprint: BDB3 443F A5DD B3D0 A530 FFD7 4F2C D3D8 2793 CF2D X-Mailer: Mew version 6.4.50 on Emacs 23.4 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Multipart/Signed; protocol="application/pgp-signature"; micalg=pgp-sha1; boundary="--Security_Multipart(Wed_Jun__6_18_50_23_2012_944)--" Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.97.4 at gatekeeper.allbsd.org X-Virus-Status: Clean X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (mail.allbsd.org [133.31.130.32]); Wed, 06 Jun 2012 18:51:03 +0900 (JST) X-Spam-Status: No, score=-98.8 required=13.0 tests=CONTENT_TYPE_PRESENT, RCVD_IN_RP_RNBL,USER_IN_WHITELIST autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on gatekeeper.allbsd.org Cc: doc@FreeBSD.org Subject: Re: Handbook mirroring section X-BeenThere: freebsd-doc@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Documentation project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jun 2012 09:51:12 -0000 ----Security_Multipart(Wed_Jun__6_18_50_23_2012_944)-- Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Warren Block wrote in : wb> On Tue, 5 Jun 2012, Hiroki Sato wrote: wb> wb> > Warren Block wrote wb> > in : wb> > wb> > wb> It's a little tricky. What do you think about having two wb> > sections, wb> > wb> one for how to create a standard mirror from scratch, and one for wb> > wb> converting a single-disk system to a mirror? wb> > wb> > It sounds like a good idea. wb> wb> Here's a pass at it: wb> wb> http://www.wonkity.com/~wblock/mirror/book.html wb> http://www.wonkity.com/~wblock/mirror/patch-geom-2.diff wb> wb> Notes: wb> wb> I tried to factor out common information to the introduction and the wb> Troubleshooting section afterward. wb> wb> diskinfo(8) was used in place of gpart list because the disk capacity wb> is in the first three lines, so the command line is simpler. wb> wb> There is no entity for gnop(8) yet, but I have one locally. Thanks, I will review the new version. BTW, do you (or anyone) know the common failure pattern when trying to use GPT + gmirror of the whole disk? IIRC it was a metadata corruption but I do not remember when it happens. -- Hiroki ----Security_Multipart(Wed_Jun__6_18_50_23_2012_944)-- Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEABECAAYFAk/PJ98ACgkQTyzT2CeTzy2+XgCeKTf2ffe7uHx28Zj3K9WE3Q/A wQkAmwdp3D760w1OlpsMekPNtR92KaQM =yw8t -----END PGP SIGNATURE----- ----Security_Multipart(Wed_Jun__6_18_50_23_2012_944)----