From owner-freebsd-fs@FreeBSD.ORG Fri Oct 1 07:41:14 2010 Return-Path: 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 355CF106564A for ; Fri, 1 Oct 2010 07:41:14 +0000 (UTC) (envelope-from torbjoern@gmail.com) Received: from mail-bw0-f54.google.com (mail-bw0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id B062A8FC08 for ; Fri, 1 Oct 2010 07:41:13 +0000 (UTC) Received: by bwz15 with SMTP id 15so2640939bwz.13 for ; Fri, 01 Oct 2010 00:41:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=X1kVRmhfrQMJ8KswUQoqdhcXu7cM4wnwl8DOTdyub8E=; b=lZtVhXuuz3VaTS794CkwxCriJwHMcCkMbNPJvYrKL8hmqF/Q23il7RjVR1ohyHoV5t aOcEzztHxASJ4u5QmaFIbQwqvxP8DPYWiI0MU+Wv1mzkoHVWbjrLEncRN9Dktem+Zh31 vWBFgewU42bO5PtjaR4py0NvElFIPa8MDMxyA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=D+lAiC1yjQsADksCVv/EvuAaYjw8Pwb6IljB535XOzv7MQuPnR8HXFMe8Nsvivcz/T HUbHHR6EsEA/VOA40ZMeQ3IhqIZBnCHbFTMAmhKr/p1RASUBImMUmeHl122M8DKHFLPd I85xoTITBqS87AA09o8DwO3U0/EoqCy0OuqUg= MIME-Version: 1.0 Received: by 10.204.117.13 with SMTP id o13mr3722797bkq.48.1285918872481; Fri, 01 Oct 2010 00:41:12 -0700 (PDT) Received: by 10.204.71.138 with HTTP; Fri, 1 Oct 2010 00:41:12 -0700 (PDT) In-Reply-To: <20101001042540.GA48601@in-addr.com> References: <20100929192534.GA97031@icarus.home.lan> <20100929221549.GA343@icarus.home.lan> <20100930103647.62193lbkp9yqx5k4@webmail.leidinger.net> <4CA45444.6070002@dannysplace.net> <20100930163406.330767vpzidjygow@webmail.leidinger.net> <20101001042540.GA48601@in-addr.com> Date: Fri, 1 Oct 2010 09:41:12 +0200 Message-ID: From: Torbjorn Kristoffersen To: freebsd-fs@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: Re: Strange ZFS problem, filesystem claims to be full when clearly not full X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Oct 2010 07:41:14 -0000 On Fri, Oct 1, 2010 at 6:25 AM, Gary Palmer wrote: > On Thu, Sep 30, 2010 at 04:34:06PM +0200, Alexander Leidinger wrote: >> Quoting Torbjorn Kristoffersen (from Thu, 30 Sep >> 2010 15:28:25 +0200): >> >> >That could very well be. =A0Interestingly, dtrace is not installed and >> >doesn't even load. =A0When I do >> >kldload dtraceall it says: >> > >> > =A0 =A0kldload: can't load dtraceall: Exec format error >> > >> >??Perhaps I should recompile the kernel on this server, and build in >> >Dtrace into the kernel. =A0Perhaps I should first update to >> >FreeBSD-STABLE, as it is more cutting edge? >> > >> >Actually, I'll first do a complete backup of this jail, remove the zfs >> >filesystem, then re-create it, put the files back, and see what >> >happens. =A0The unfortunate thing is that I will be ruining a chance to >> >find out what really happened. >> >> I would give lsof a try first. Installing it from ports or packages is >> not as much time consuming as updating the server, and may pinpoint >> the problem. >> >> Bye, >> Alexander. > > It might be worth running > > ktrace -C > > as root. =A0I do not believe ktrace output files show up in lsof or fstat= . > It seems at least theoretically possible that a ktrace output file has > been deleted so it no longer shows up in ls/du but the trace is ongoing. > Very unlikely as I'm the only admin outside the jails. But I did it regardless, you never know if I started a ktrace in my sleep :-)