From owner-freebsd-fs@FreeBSD.ORG Wed May 2 17:50:54 2012 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 A3FAB106566B for ; Wed, 2 May 2012 17:50:54 +0000 (UTC) (envelope-from fjwcash@gmail.com) Received: from mail-qa0-f49.google.com (mail-qa0-f49.google.com [209.85.216.49]) by mx1.freebsd.org (Postfix) with ESMTP id 5E9AC8FC0A for ; Wed, 2 May 2012 17:50:54 +0000 (UTC) Received: by qabj40 with SMTP id j40so862424qab.15 for ; Wed, 02 May 2012 10:50:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=lcz/SkE1Ftz2jwTok8evNyf2yj/QE58QfpMdOy1OgGw=; b=HbpkiP4FvQLHMtFfBCs2i6HSO5fjdBgr7mIsHbOLbZ6TqKTzim5N+Qo8Vke7aM4T1n /xMGHuD+EWhfhYBlC+ObMVOz1uDmYbZ4sYEuG+3aTcB9HpISz7YqDp4tJxmxforGa/yZ D6t9MIaqEI1cCeob/sQSJFIfV/nmUY4XLFO91ewCQ90zFY/h7gxYZ0qWDTpcTPEED4ZL TkoZ3hsZeiSGfucTXccFX95/103NuDQF/EpbWcQStu7Y7AKFQQFzMOSGJb6f29VUyvnM vTJVhLKet+a4pBtECKp19oS2RE+jtVdW1LVeCP/g/O5adRwdYViCJhNzDdeMtfLMJQ2h VDLA== MIME-Version: 1.0 Received: by 10.224.178.9 with SMTP id bk9mr17968476qab.98.1335981048662; Wed, 02 May 2012 10:50:48 -0700 (PDT) Received: by 10.229.191.82 with HTTP; Wed, 2 May 2012 10:50:48 -0700 (PDT) In-Reply-To: <4fa16e7d.09d6e00a.5667.3ec7SMTPIN_ADDED@mx.google.com> References: <4fa16e7d.09d6e00a.5667.3ec7SMTPIN_ADDED@mx.google.com> Date: Wed, 2 May 2012 10:50:48 -0700 Message-ID: From: Freddie Cash To: Simon Content-Type: text/plain; charset=UTF-8 Cc: "freebsd-fs@freebsd.org" Subject: Re: Replacing dead drives in ZRAID2 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: Wed, 02 May 2012 17:50:54 -0000 On Wed, May 2, 2012 at 10:27 AM, Simon wrote: > I don't expect miracles from ZFS if hardware is not compatible. However, > I did expect for ahd driver and Adaptec U320 to still be fairly common and > well aged, thus being compatible, but perhaps that isn't the case. > > Is there a list of compatible controllers? > > I do not understand how formatting a drive using UFS would solve my > issues. I pulled 2 drives out from functional zraid2 to simulate drive > failure and the system froze. Clearly there is an issue using this controller with > ZFS in ZRAID setup. It shouldn't matter what I have installed on a drive. > When a drive is pulled out of hot-plug enclosure, it should get marked as > offline. Until you format drives with something other than ZFS and test removing/plugging in a drive, you cannot say for certain that it's a ZFS issue. The error messages shown all come from ahd which is way below ZFS. -- Freddie Cash fjwcash@gmail.com