From owner-freebsd-geom@FreeBSD.ORG Mon Mar 24 19:21:52 2008 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 F2EEC10656C1 for ; Mon, 24 Mar 2008 19:21:51 +0000 (UTC) (envelope-from gcubfg-freebsd-geom@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id A201A8FC21 for ; Mon, 24 Mar 2008 19:21:50 +0000 (UTC) (envelope-from gcubfg-freebsd-geom@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1JdsEr-0002Og-0x for freebsd-geom@freebsd.org; Mon, 24 Mar 2008 19:21:45 +0000 Received: from 78-0-71-165.adsl.net.t-com.hr ([78.0.71.165]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 24 Mar 2008 19:21:45 +0000 Received: from ivoras by 78-0-71-165.adsl.net.t-com.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 24 Mar 2008 19:21:45 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-geom@freebsd.org From: Ivan Voras Date: Mon, 24 Mar 2008 20:21:26 +0100 Lines: 44 Message-ID: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig13188AE437CB5222F5654835" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 78-0-71-165.adsl.net.t-com.hr User-Agent: Thunderbird 2.0.0.12 (Windows/20080213) X-Enigmail-Version: 0.95.6 Sender: news Subject: Gmirror failure 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: Mon, 24 Mar 2008 19:21:52 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig13188AE437CB5222F5654835 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable I've just had a failure case when one drive of a gmirrored pair=20 apparently failed. Here's what's in system messages: Mar 24 01:31:28 xx ad2: FAILURE - device detached Mar 24 01:31:28 xx subdisk2: detached Mar 24 01:31:28 xx ad2: detached Mar 24 01:31:28 xx GEOM_MIRROR: Device gm0: provider ad2 disconnected. Mar 24 01:31:28 xx g_vfs_done():mirror/gm0s1f[READ(offset=3D578404352,=20 length=3D16384)]error =3D 6 Mar 24 01:31:28 xx g_vfs_done():mirror/gm0s1h[READ(offset=3D12525010944, = length=3D2048)]error =3D 6 What interests me is: - there were no prior messages of the drive failing (I'd expect=20 geom_mirror to complain earlier) - why does it look like the IO request(s) that caused the failure to be=20 detected are themselves failed? I.e. it looks like two IO requests were=20 discarded at the geom_mirror level, while I'd expect them to be=20 completed from the other, working drive. Any ideas / comments? --------------enig13188AE437CB5222F5654835 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFH5/88ldnAQVacBcgRAkPTAJ9QPBVD73SsT2FOdaeZFZMcIYgH7QCglhWi jhFG0YI1SS1MYnjt4lKixD8= =i0iJ -----END PGP SIGNATURE----- --------------enig13188AE437CB5222F5654835--