From owner-freebsd-geom@FreeBSD.ORG Tue Sep 29 08:23:57 2009 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B9B9A1065670 for ; Tue, 29 Sep 2009 08:23:57 +0000 (UTC) (envelope-from gcubfg-freebsd-geom@m.gmane.org) Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) by mx1.freebsd.org (Postfix) with ESMTP id 71A7B8FC12 for ; Tue, 29 Sep 2009 08:23:56 +0000 (UTC) Received: from list by lo.gmane.org with local (Exim 4.50) id 1MsY03-0002lV-GO for freebsd-geom@freebsd.org; Tue, 29 Sep 2009 10:23:55 +0200 Received: from 93-141-36-13.adsl.net.t-com.hr ([93.141.36.13]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 29 Sep 2009 10:23:55 +0200 Received: from ivoras by 93-141-36-13.adsl.net.t-com.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 29 Sep 2009 10:23:55 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-geom@freebsd.org From: Ivan Voras Date: Tue, 29 Sep 2009 10:23:29 +0200 Lines: 45 Message-ID: References: <20090923165459.GA95498@crosswinds.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigF794918B7CFEA694C8255077" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 93-141-36-13.adsl.net.t-com.hr User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) In-Reply-To: <20090923165459.GA95498@crosswinds.net> X-Enigmail-Version: 0.96.0 Sender: news Subject: Re: Mirrors and Stripes and Bad Disks, Oh My X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Sep 2009 08:23:57 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigF794918B7CFEA694C8255077 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Tony Holmes wrote: > 1. Bring up the system in single user mode. > 2. Destroy gm0 (with ad4 and ad8) > 3. Recreate gm0 with ad4 only > 4. Break ad10 out of the gm1 mirror pair - this way during recovery I=20 > can build another copy of the stripe using ad8/ad10 if I need it.=20 > I expect to hit bad sectors on the copy off. I also do expect lost > files/data if I have to go this route due to the time that ad8 was n= ot > mirrored. > Will this give me gm0 with a master ad4? Yes. > If I am able to recreate the stripe with identical parameters, will the= > file system be visible. Yes. Don't touch anything else, though (like simultaneously updating to another FreeBSD version, etc...) --------------enigF794918B7CFEA694C8255077 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkrBxAEACgkQldnAQVacBcjQkgCgj/+pzV/Vv8XGYIFw3BEZ4SGN Nk4AnA4J4nV90uZzcu+s02XXe+TOEVJv =ikaX -----END PGP SIGNATURE----- --------------enigF794918B7CFEA694C8255077--