From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q4CHXCRl198556 for ; Sat, 12 May 2012 12:33:12 -0500 Received: from mailsrv14.zmi.at (mailsrv14.zmi.at [212.69.164.54]) by cuda.sgi.com with ESMTP id UfyK75tVP904wrVn (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Sat, 12 May 2012 10:33:10 -0700 (PDT) Received: from mailsrv.i.zmi.at (h081217106014.dyn.cm.kabsi.at [81.217.106.14]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "mailsrv2.i.zmi.at", Issuer "power4u.zmi.at" (not verified)) by mailsrv14.zmi.at (Postfix) with ESMTPSA id EE9A91822430 for ; Sat, 12 May 2012 19:33:08 +0200 (CEST) Received: from saturn.localnet (saturn.i.zmi.at [10.72.27.2]) by mailsrv.i.zmi.at (Postfix) with ESMTP id 353B2CD7C8C for ; Sat, 12 May 2012 19:33:32 +0200 (CEST) From: Michael Monnerie Subject: Re: badly destroyed XFS (on LVM) - how to repair? Date: Sat, 12 May 2012 19:33:04 +0200 Message-ID: <3096724.ecFtoeOHo8@saturn> In-Reply-To: <1763478.Vy9F5bcWiZ@saturn> References: <1763478.Vy9F5bcWiZ@saturn> MIME-Version: 1.0 List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5193880376611581607==" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com --===============5193880376611581607== Content-Type: multipart/signed; boundary="nextPart1976836.SjO3jWyUz7"; micalg="pgp-sha1"; protocol="application/pgp-signature" Content-Transfer-Encoding: quoted-printable --nextPart1976836.SjO3jWyUz7 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Another strange thing: I now started a "dd if=3D/dev/dm-0 of=3D/dev/null bs=3D1024k". For the first seconds(!), it did nothing, I thought it would hang. Then it started, but it's reading in a strange way: Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq= -sz avgqu-sz await svctm %util xvdg 139378,24 0,00 15893,61 0,00 77640,82 0,00 = 9,77 35,96 2,26 0,06 99,88 xvda 0,00 0,00 0,00 0,00 0,00 0,00 0= ,00 0,00 0,00 0,00 0,00 xvde 0,00 0,00 0,00 0,00 0,00 0,00 0= ,00 0,00 0,00 0,00 0,00 xvdb 0,00 0,00 0,00 0,00 0,00 0,00 0= ,00 0,00 0,00 0,00 0,00 dm-0 0,00 0,00 155241,52 0,00 77620,76 0,00 = 1,00 353,51 2,28 0,01 99,88 Very many I/Os and very slow KB/s. What could cause that? lv readahead is 1536 sectors, that's 128KB per data disk (a 7 disk RAID= -5) and should be OK. --=20 mit freundlichen Gr=C3=BCssen, Michael Monnerie, Ing. BSc it-management Internet Services: Prot=C3=A9ger http://proteger.at [gesprochen: Prot-e-schee] Tel: +43 660 / 415 6531 --nextPart1976836.SjO3jWyUz7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iEYEABECAAYFAk+untQACgkQzhSR9xwSCbSzswCfcFjk+AJJcpyU4qVBSmWiwmtc ThQAn0Kvpa9iOIdjgQJaGQTMMa7P04XL =oDP1 -----END PGP SIGNATURE----- --nextPart1976836.SjO3jWyUz7-- --===============5193880376611581607== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs --===============5193880376611581607==--