From owner-freebsd-fs@FreeBSD.ORG Tue Nov 27 22:06:13 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 74799446 for ; Tue, 27 Nov 2012 22:06:13 +0000 (UTC) (envelope-from josh@signalboxes.net) Received: from mail-oa0-f54.google.com (mail-oa0-f54.google.com [209.85.219.54]) by mx1.freebsd.org (Postfix) with ESMTP id 22DBD8FC14 for ; Tue, 27 Nov 2012 22:06:12 +0000 (UTC) Received: by mail-oa0-f54.google.com with SMTP id n9so16630055oag.13 for ; Tue, 27 Nov 2012 14:06:12 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:x-gm-message-state; bh=qeE29E7Zvqw422ToYXfegds+NC8+vvsK6GGaR3eoh4I=; b=GR6b8t3HU+As42kWwoOjj2bgio9PvG9ag0FOSNU/ZhZj34rCdeXSAQUuCv+fHuvJRQ cvD1YfD3uSk4wl36jH+N3/tgmWL4wn59GUTkbKOS0IBjBEIg+YpDXGPRhqchJuOyNG4l dmCKaWfOadmdV7+WJQLEBvPEBLT8ZaguVVuQAPr3yHD6Fxw+J0kiuVzwcxDvRHvZg64r LvWK2DQ9BLl3C18gcJY5DgQQ1moZcEJiCXtd0XGglMH1MzF6oYxoaMYUYvCp/kqE2ghD y7WpRcNepJ3Ro5U9sy499yH+Ud7ktkVGQtr7KLBDJIv5/90atIFT9WG4R/v87VH5o8f7 L+vw== Received: by 10.60.25.106 with SMTP id b10mr13776337oeg.20.1354053972497; Tue, 27 Nov 2012 14:06:12 -0800 (PST) Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com [209.85.214.182]) by mx.google.com with ESMTPS id h2sm16043662obn.11.2012.11.27.14.06.10 (version=SSLv3 cipher=OTHER); Tue, 27 Nov 2012 14:06:11 -0800 (PST) Received: by mail-ob0-f182.google.com with SMTP id 16so14747138obc.13 for ; Tue, 27 Nov 2012 14:06:09 -0800 (PST) MIME-Version: 1.0 Received: by 10.60.30.167 with SMTP id t7mr14541297oeh.44.1354053969919; Tue, 27 Nov 2012 14:06:09 -0800 (PST) Received: by 10.60.14.194 with HTTP; Tue, 27 Nov 2012 14:06:09 -0800 (PST) In-Reply-To: <3F21E539-BBA9-4F9A-A7A0-7808042C600D@gmail.com> References: <3F21E539-BBA9-4F9A-A7A0-7808042C600D@gmail.com> Date: Tue, 27 Nov 2012 15:06:09 -0700 Message-ID: Subject: Re: ZFS: Panic when attempting to delete certain data From: Josh Beard To: Steven Schlansker X-Gm-Message-State: ALoCoQmmJh1pMFzfPiGH8YQi41jVMY+xq+c2KjWv4Fy4ke+Ek54yyDK/ujcgsDOD7qvw6Z+yOmsT Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.14 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: Tue, 27 Nov 2012 22:06:13 -0000 On Tue, Nov 27, 2012 at 11:34 AM, Steven Schlansker < stevenschlansker@gmail.com> wrote: > On Nov 27, 2012, at 10:25 AM, Josh Beard wrote: > > > Hello, > > > > I have a system that I can consistently reproduce a panic on when tryin= g > to > > delete certain data. The data is data that was rsynced from another > system > > - nothing terribly unique. This has been ongoing from several months, > > starting with 9.0-RELEASE and now running 9.1-RC3. > > > > Do you have dedupe turned on? I (and others, from what I've gathered) ha= d > a lot of trouble with > panics and system hangs when deleting deduped data with insufficient RAM. > > If that is the case, my only recourse turned out to be getting enough RAM > in the box to offload > the data, destroy the filesystem, and start over=85 > > Steven, Thanks, but dedup isn't on :\ This particular zpool is defaults. The system has 16 GB of RAM. Josh