From owner-freebsd-fs@FreeBSD.ORG Fri Nov 16 22:35:54 2012 Return-Path: Delivered-To: freebsd-fs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 869271D1; Fri, 16 Nov 2012 22:35:54 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from vps.rulingia.com (host-122-100-2-194.octopus.com.au [122.100.2.194]) by mx1.freebsd.org (Postfix) with ESMTP id E22468FC08; Fri, 16 Nov 2012 22:35:52 +0000 (UTC) Received: from server.rulingia.com (c220-239-241-202.belrs5.nsw.optusnet.com.au [220.239.241.202]) by vps.rulingia.com (8.14.5/8.14.5) with ESMTP id qAGMZo1o088965 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 17 Nov 2012 09:35:50 +1100 (EST) (envelope-from peter@rulingia.com) X-Bogosity: Ham, spamicity=0.000000 Received: from server.rulingia.com (localhost.rulingia.com [127.0.0.1]) by server.rulingia.com (8.14.5/8.14.5) with ESMTP id qAGMZiQM099830 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 17 Nov 2012 09:35:44 +1100 (EST) (envelope-from peter@server.rulingia.com) Received: (from peter@localhost) by server.rulingia.com (8.14.5/8.14.5/Submit) id qAGMZi4T099829; Sat, 17 Nov 2012 09:35:44 +1100 (EST) (envelope-from peter) Date: Sat, 17 Nov 2012 09:35:44 +1100 From: Peter Jeremy To: Andriy Gapon Subject: Re: zfs diff deadlock Message-ID: <20121116223544.GA99247@server.rulingia.com> References: <20121110223249.GB506@server.rulingia.com> <20121111072739.GA4814@server.rulingia.com> <509F5E0A.1020501@FreeBSD.org> <20121113202730.GA42238@server.rulingia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="LQksG6bCIzRHxTLp" Content-Disposition: inline In-Reply-To: <20121113202730.GA42238@server.rulingia.com> X-PGP-Key: http://www.rulingia.com/keys/peter.pgp User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-fs@FreeBSD.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Nov 2012 22:35:54 -0000 --LQksG6bCIzRHxTLp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2012-Nov-14 07:27:30 +1100, Peter Jeremy wro= te: >On head, I get some normal differences terminated by: >Unable to determine path or stats for object 2128453 in tank/beckett/home@= 20120518: Invalid argument I've done some more digging and got the following. Does it make sense for an object that is a "ZFS plain file" to have another "ZFS plain file" as a parent? It doesn't sound right to me. root@FB10-64:~ # zdb -vvv tank/beckett/home@20120518 2128453 Dataset tank/beckett/home@20120518 [ZPL], ID 605, cr_txg 8379, 143G, 202641= 9 objects, rootbp DVA[0]=3D<0:266a0efa00:200> DVA[1]=3D<0:31b07fbc00:200> [= L0 DMU objset] fletcher4 lzjb LE contiguous unique double size=3D800L/200P = birth=3D8375L/8375P fill=3D2026419 cksum=3D1acdb1fbd9:93bf9c61e94:1b35c72eb= 8adb:389743898e4f79 Object lvl iblk dblk dsize lsize %full type 2128453 1 16K 1.50K 1.50K 1.50K 100.00 ZFS plain file 264 bonus ZFS znode dnode flags: USED_BYTES USERUSED_ACCOUNTED=20 dnode maxblkid: 0 path ??? uid 1000 gid 1000 atime Fri Mar 23 16:34:52 2012 mtime Sat Oct 22 16:13:42 2011 ctime Sun Oct 23 21:09:02 2011 crtime Sat Oct 22 16:13:42 2011 gen 2237174 mode 100444 size 1089 parent 2242171 links 1 pflags 40800000004 xattr 0 rdev 0x0000000000000000 root@FB10-64:~ # zdb -vvv tank/beckett/home@20120518 2242171 Dataset tank/beckett/home@20120518 [ZPL], ID 605, cr_txg 8379, 143G, 202641= 9 objects, rootbp DVA[0]=3D<0:266a0efa00:200> DVA[1]=3D<0:31b07fbc00:200> [= L0 DMU objset] fletcher4 lzjb LE contiguous unique double size=3D800L/200P = birth=3D8375L/8375P fill=3D2026419 cksum=3D1acdb1fbd9:93bf9c61e94:1b35c72eb= 8adb:389743898e4f79 Object lvl iblk dblk dsize lsize %full type 2242171 3 16K 128K 25.4M 25.5M 100.00 ZFS plain file 264 bonus ZFS znode dnode flags: USED_BYTES USERUSED_ACCOUNTED=20 dnode maxblkid: 203 path /jashank/Pictures/sch/pdm-a4-11/stereo-pair-2.png uid 1000 gid 1000 atime Fri Mar 23 16:41:53 2012 mtime Mon Oct 24 21:15:56 2011 ctime Mon Oct 24 21:15:56 2011 crtime Mon Oct 24 21:15:37 2011 gen 2286679 mode 100644 size 26625731 parent 7001490 links 1 pflags 40800000004 xattr 0 rdev 0x0000000000000000 root@FB10-64:~ # zdb -vvv tank/beckett/home@20120518 7001490 Dataset tank/beckett/home@20120518 [ZPL], ID 605, cr_txg 8379, 143G, 202641= 9 objects, rootbp DVA[0]=3D<0:266a0efa00:200> DVA[1]=3D<0:31b07fbc00:200> [= L0 DMU objset] fletcher4 lzjb LE contiguous unique double size=3D800L/200P = birth=3D8375L/8375P fill=3D2026419 cksum=3D1acdb1fbd9:93bf9c61e94:1b35c72eb= 8adb:389743898e4f79 Object lvl iblk dblk dsize lsize %full type 7001490 1 16K 512 1K 512 100.00 ZFS directory 264 bonus ZFS znode dnode flags: USED_BYTES USERUSED_ACCOUNTED=20 dnode maxblkid: 0 path /jashank/Pictures/sch/pdm-a4-11 uid 1000 gid 1000 atime Thu May 17 03:38:32 2012 mtime Mon Oct 24 21:15:37 2011 ctime Mon Oct 24 21:15:37 2011 crtime Fri Oct 14 22:17:44 2011 gen 2088407 mode 40755 size 6 parent 6370559 links 2 pflags 40800000144 xattr 0 rdev 0x0000000000000000 microzap: 512 bytes, 4 entries stereo-pair-2.png =3D 2242171 (type: Regular File) stereo-pair-2.xcf =3D 7002074 (type: Regular File) stereo-pair-1.xcf =3D 7001512 (type: Regular File) stereo-pair-1.png =3D 2241802 (type: Regular File) root@FB10-64:~ # --=20 Peter Jeremy --LQksG6bCIzRHxTLp Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlCmv8AACgkQ/opHv/APuIcBTgCfXBEBllonPGIG+SOTIBy0sO1h v2oAnAgkmWS0D4frLTeFbIDD17TWfNYF =1nJW -----END PGP SIGNATURE----- --LQksG6bCIzRHxTLp--