From owner-freebsd-questions@FreeBSD.ORG Mon Oct 24 12:24:55 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 25D92106566B for ; Mon, 24 Oct 2011 12:24:55 +0000 (UTC) (envelope-from vas@mpeks.tomsk.su) Received: from relay2.tomsk.ru (relay2.tomsk.ru [212.73.124.8]) by mx1.freebsd.org (Postfix) with ESMTP id 5CB098FC0A for ; Mon, 24 Oct 2011 12:24:53 +0000 (UTC) X-Virus-Scanned: by clamd daemon 0.93.1 for FreeBSD at relay2.tomsk.ru Received: from admin.sibptus.tomsk.ru (account sudakov@sibptus.tomsk.ru [212.73.125.240] verified) by relay2.tomsk.ru (CommuniGate Pro SMTP 5.1.13) with ESMTPSA id 21197811 for freebsd-questions@freebsd.org; Mon, 24 Oct 2011 19:24:49 +0700 Received: from admin.sibptus.tomsk.ru (sudakov@localhost [127.0.0.1]) by admin.sibptus.tomsk.ru (8.14.3/8.14.3) with ESMTP id p9OCOnU3070972 for ; Mon, 24 Oct 2011 19:24:49 +0700 (OMSST) (envelope-from vas@mpeks.tomsk.su) Received: (from sudakov@localhost) by admin.sibptus.tomsk.ru (8.14.3/8.14.3/Submit) id p9OCOm1T070971 for freebsd-questions@freebsd.org; Mon, 24 Oct 2011 19:24:48 +0700 (NOVT) (envelope-from vas@mpeks.tomsk.su) X-Authentication-Warning: admin.sibptus.tomsk.ru: sudakov set sender to vas@mpeks.tomsk.su using -f Date: Mon, 24 Oct 2011 19:24:48 +0700 From: Victor Sudakov To: freebsd-questions@freebsd.org Message-ID: <20111024122448.GA70524@admin.sibptus.tomsk.ru> Mail-Followup-To: Victor Sudakov , freebsd-questions@freebsd.org References: <20111021110600.GA19417@admin.sibptus.tomsk.ru> <20111022053315.GA30712@admin.sibptus.tomsk.ru> <20111023161312.GA46735@admin.sibptus.tomsk.ru> <20111023162242.GA3823@tinyCurrent> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111023162242.GA3823@tinyCurrent> User-Agent: Mutt/1.4.2.3i Organization: AO "Svyaztransneft", SibPTUS X-PGP-Key: http://www.livejournal.com/pubkey.bml?user=victor_sudakov X-PGP-Fingerprint: 10E3 1171 1273 E007 C2E9 3532 0DA4 F259 9B5E C634 Subject: Re: strange behavior of restore(8) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Oct 2011 12:24:55 -0000 Matthias Apitz wrote: > > Victor Sudakov wrote: > > > > > > > > > > I am trying to restore a UFS2 zero level dump sized about 51G. > > > > > restore has created 6105 directories and no files at all, and now is > > > > > waiting forever in the runnable state. > > Side note: I have already restored UFS level zero dumps of 130G, even > into FreeBSD in a VM, without any kind of problem. Don't know UFS2, > though. How many files did your 130G filesystem have? My 51G dump should contain 1769484 files in 24705 directories. > > > > > > > > I don't have any specific advice here, but if it were me I think my > > > > next troubleshooting step would be to attach truss to the restore > > > > process after it gets "stuck," to try to see exactly what it's doing. > > > > That may give you a clue as to why it's taking so long and whether > > > > it's actually making any progress. > > > > > > It's doing something like that. I should have piped the output > > > through uniq not to clutter the list, but on second thought, I decided > > > not to: > > > > > > # truss -p 18568 > > > lseek(4,0x0,SEEK_CUR) = 25395100 (0x1837f9c) > > > lseek(4,0x0,SEEK_CUR) = 25395100 (0x1837f9c) > > > lseek(4,0x0,SEEK_CUR) = 25395100 (0x1837f9c) > > > lseek(4,0x0,SEEK_CUR) = 25395100 (0x1837f9c) > > Asuming 4 is the fd of the restore device, i.e. the DUMP, this seek does > nothing: moves to offset of 0 bytes from the current position. Are you > sure that the device (tape?) is fine? Lo and behold! On an amd64 system with 8GB RAM and 2 2.66GHz Xeon CPUs, "restore -rNf home.dmp" has successfully completed after 3 hours 15 minutes. -- Victor Sudakov, VAS4-RIPE, VAS47-RIPN sip:sudakov@sibptus.tomsk.ru