From: Nick Dokos Subject: Re: ll_ver_fs data verification failure - 96TB fs Date: Mon, 03 Aug 2009 10:22:01 -0400 Message-ID: <28768.1249309321@gamaville.dokosmarshall.org> References: <28623.1249307676@gamaville.dokosmarshall.org> Reply-To: nicholas.dokos@hp.com Cc: linux-ext4@vger.kernel.org, Valerie Aurora To: nicholas.dokos@hp.com Return-path: Received: from vms173005pub.verizon.net ([206.46.173.5]:45981 "EHLO vms173005pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755047AbZHCOWS (ORCPT ); Mon, 3 Aug 2009 10:22:18 -0400 Received: from gamaville.dokosmarshall.org ([98.110.172.159]) by vms173005.mailsrvcs.net (Sun Java(tm) System Messaging Server 6.3-7.04 (built Sep 26 2008; 32bit)) with ESMTPA id <0KNT003LO18ELPZ0@vms173005.mailsrvcs.net> for linux-ext4@vger.kernel.org; Mon, 03 Aug 2009 09:21:56 -0500 (CDT) In-reply-to: Message from Nick Dokos of "Mon, 03 Aug 2009 09:54:36 EDT." <28623.1249307676@gamaville.dokosmarshall.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: Nick Dokos wrote: > Just a heads-up for now. I ran ll_ver_fs on a 96TB fs - the write phase > finished without problems, but the read phase encountered a problem: > > ... > Running a fsck now to see if there are other problems. > The fsck did not find any other problems: sudo time e2fsck -t -t -F -n -f /dev/mapper/bigvg-bigvol e2fsck 1.41.8 (20-Jul-2009) Pass 1: Checking inodes, blocks, and sizes Pass 1: Memory used: 284k/1630436k (131k/154k), time: 1055.90/880.05/ 6.00 Pass 1: I/O read: 190MB, write: 0MB, rate: 0.18MB/s Pass 2: Checking directory structure Pass 2: Memory used: 284k/18014398508112064k (94k/191k), time: 2.33/ 0.93/ 0.92 Pass 2: I/O read: 3MB, write: 0MB, rate: 1.29MB/s Pass 3: Checking directory connectivity Peak memory: Memory used: 284k/18014398508635724k (94k/191k), time: 1067.60/888.18/ 9.10 Pass 3: Memory used: 284k/18014398508112064k (86k/199k), time: 0.58/ 0.26/ 0.32 Pass 3: I/O read: 1MB, write: 0MB, rate: 1.71MB/s Pass 4: Checking reference counts Pass 4: Memory used: 284k/18014398509394812k (85k/200k), time: 147.37/147.08/ 0.27 Pass 4: I/O read: 0MB, write: 0MB, rate: 0.00MB/s Pass 5: Checking group summary information Pass 5: Memory used: 336k/18014398508871152k (86k/251k), time: 1124.59/707.93/18.27 Pass 5: I/O read: 2934MB, write: 0MB, rate: 2.61MB/s /dev/mapper/bigvg-bigvol: 23950/4289791968 files (0.0% non-contiguous), 24609217723/24609226752 blocks Memory used: 336k/18014398508871152k (86k/251k), time: 2339.61/1743.19/27.68 I/O read: 3173MB, write: 0MB, rate: 1.36MB/s 1743.18user 31.66system 39:03.59elapsed 75%CPU (0avgtext+0avgdata 0maxresident)k 32603472inputs+0outputs (0major+4403060minor)pagefaults 0swaps Nick