From owner-freebsd-fs@FreeBSD.ORG Tue May 5 12:13:24 2009 Return-Path: <owner-freebsd-fs@FreeBSD.ORG> Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D62B1106564A for <freebsd-fs@freebsd.org>; Tue, 5 May 2009 12:13:24 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.terabit.net.ua (mail.terabit.net.ua [195.137.202.147]) by mx1.freebsd.org (Postfix) with ESMTP id 65FD18FC1B for <freebsd-fs@freebsd.org>; Tue, 5 May 2009 12:13:24 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from skuns.zoral.com.ua ([91.193.166.194] helo=mail.zoral.com.ua) by mail.terabit.net.ua with esmtps (TLSv1:AES256-SHA:256) (Exim 4.63 (FreeBSD)) (envelope-from <kostikbel@gmail.com>) id 1M1JBE-000I3q-RL; Tue, 05 May 2009 14:51:24 +0300 Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id n45BpKFm009371 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 5 May 2009 14:51:20 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3) with ESMTP id n45BpKWp042559; Tue, 5 May 2009 14:51:20 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3/Submit) id n45BpJOY042558; Tue, 5 May 2009 14:51:19 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 5 May 2009 14:51:19 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Doug Poland <doug@polands.org> Message-ID: <20090505115119.GM1948@deviant.kiev.zoral.com.ua> References: <200905042030.n44KU3Bp058343@freefall.freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="/jvaajy/zP2g41+Q" Content-Disposition: inline In-Reply-To: <200905042030.n44KU3Bp058343@freefall.freebsd.org> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: ClamAV version 0.94.2, clamav-milter version 0.94.2 on skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua X-Virus-Scanned: mail.terabit.net.ua 1M1JBE-000I3q-RL 58380303ed11bea4c73c592c92d000b5 X-Terabit: YES Cc: freebsd-fs@freebsd.org Subject: Re: kern/94769: [ufs] Multiple file deletions on multi-snapshotted filesystems causes hang X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems <freebsd-fs.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>, <mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs> List-Post: <mailto:freebsd-fs@freebsd.org> List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>, <mailto:freebsd-fs-request@freebsd.org?subject=subscribe> X-List-Received-Date: Tue, 05 May 2009 12:13:25 -0000 --/jvaajy/zP2g41+Q Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, May 04, 2009 at 08:30:03PM +0000, Doug Poland wrote: > The following reply was made to PR kern/94769; it has been noted by GNATS. >=20 > From: Doug Poland <doug@polands.org> > To: bug-followup@FreeBSD.org, john@kozubik.com > Cc: =20 > Subject: Re: kern/94769: [ufs] Multiple file deletions on multi-snapshott= ed > filesystems causes hang > Date: Mon, 4 May 2009 15:11:33 -0500 >=20 > I recently started experiencing similar behavior on a 7.1-RELEASE i386 > host. In this case the deadlock occurs as soon as > sysutils/freebsd-snapshots run it's weekly cron entry: > =20 > 0 * * * * root periodic-snapshot hourly > 0 0 * * * root periodic-snapshot daily > 0 0 * * 0 root periodic-snapshot weekly > =20 > I am running a GENERIC kernel without quotas. > =20 > Here's the list of snapshots on the various filesystems: > =20 > Filesystem User User% Snap Snap% Snapshot > / 267MB 54.0% 704KB 0.1% daily.0 > / 267MB 54.0% 704KB 0.1% daily.1 > / 267MB 54.0% 704KB 0.1% daily.2 > / 267MB 54.0% 704KB 0.1% daily.3 > / 267MB 54.0% 704KB 0.1% daily.4 > / 267MB 54.0% 784KB 0.2% daily.5 > / 267MB 54.0% 784KB 0.2% daily.6 > / 267MB 54.0% 608KB 0.1% hourly.0 > / 267MB 54.0% 640KB 0.1% hourly.1 > / 267MB 54.0% 656KB 0.1% hourly.2 > / 267MB 54.0% 656KB 0.1% hourly.3 > / 267MB 54.0% 704KB 0.1% weekly.0 > / 267MB 54.0% 896KB 0.2% weekly.1 > / 267MB 54.0% 928KB 0.2% weekly.2 > / 267MB 54.0% 1MB 0.2% weekly.3 > /var 1237MB 10.4% 16MB 0.1% daily.0 > /var 1237MB 10.4% 17MB 0.1% daily.1 > /var 1237MB 10.4% 30MB 0.3% daily.2 > /var 1237MB 10.4% 32MB 0.3% daily.3 > /var 1237MB 10.4% 32MB 0.3% daily.4 > /var 1237MB 10.4% 33MB 0.3% daily.5 > /var 1237MB 10.4% 141MB 1.2% daily.6 > /var 1237MB 10.4% 7MB 0.1% hourly.0 > /var 1237MB 10.4% 7MB 0.1% hourly.1 > /var 1237MB 10.4% 7MB 0.1% hourly.2 > /var 1237MB 10.4% 8MB 0.1% hourly.3 > /var 1237MB 10.4% 8MB 0.1% hourly.4 > /var 1237MB 10.4% 8MB 0.1% hourly.5 > /var 1237MB 10.4% 8MB 0.1% hourly.6 > /var 1237MB 10.4% 8MB 0.1% hourly.7 > /var 1237MB 10.4% 8MB 0.1% hourly.8 > /var 1237MB 10.4% 8MB 0.1% hourly.9 > /var 1237MB 10.4% 25MB 0.2% weekly.0 > /usr 87545MB 74.1% 138MB 0.1% daily.0 > /usr 87545MB 74.1% 217MB 0.2% daily.1 > /usr 87545MB 74.1% 234MB 0.2% daily.2 > /usr 87545MB 74.1% 287MB 0.2% daily.3 > /usr 87545MB 74.1% 292MB 0.2% daily.4 > /usr 87545MB 74.1% 278MB 0.2% daily.5 > /usr 87545MB 74.1% 349MB 0.3% daily.6 > /usr 87545MB 74.1% 88MB 0.1% hourly.0 > /usr 87545MB 74.1% 200MB 0.2% hourly.1 > /usr 87545MB 74.1% 864MB 0.7% weekly.0 > /usr 87545MB 74.1% 721MB 0.6% weekly.1 > /usr 87545MB 74.1% 782MB 0.7% weekly.2 > /usr 87545MB 74.1% 4772MB 4.0% weekly.3 > =20 > I am eager and willing to assist in anyway to investigate and eliminate > this issue. Try today stable/7 after the r190690. --/jvaajy/zP2g41+Q Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkoAKDcACgkQC3+MBN1Mb4iXYgCghoBu6l6oMie8uIKa41WqQj6M IfAAn0vVS2mGwkxxZtRCLDY4y8DZ45NU =GNMy -----END PGP SIGNATURE----- --/jvaajy/zP2g41+Q--