From owner-freebsd-fs@FreeBSD.ORG Fri Apr 23 02:41:24 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 E6FFC1065672 for ; Fri, 23 Apr 2010 02:41:24 +0000 (UTC) (envelope-from yr.retarded@gmail.com) Received: from mail-pz0-f172.google.com (mail-pz0-f172.google.com [209.85.222.172]) by mx1.freebsd.org (Postfix) with ESMTP id BCEF48FC16 for ; Fri, 23 Apr 2010 02:41:24 +0000 (UTC) Received: by mail-pz0-f172.google.com with SMTP id 2so6101283pzk.27 for ; Thu, 22 Apr 2010 19:41:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:received:message-id:subject:from:to:content-type; bh=bhD2rguxRxLY3WKSrHvnbJdABmuzNL8a8u2dIeXHFUU=; b=uROgnaO5s0tHMVQlk+O0o51H10UO0f1ub1zldz6llU+5GEVD2D+mbnHgtzZgJHST2M PAaxYm57DX0dh3W2vmw/KzmOYtU9rPMvyJUMexh3z5r32xuJwX8OA1UTDyJ3dhVK1H6+ KBRyrN0z/ejhufj6ZV+0iuxFJ9VCW4xvDJNNQ= 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; b=gZhNVxCgwbMOpR1X7QzYbaa+WnBoklRxyVswdmGJ4DqT9WwLv5dBok2yVEcv+7NrH1 H4oOk7PXU4XE45tLc+FxS5gsk5jOS72l4bv8tL5GzMU27TmppFdPazQRgWMJ8rF8LN0J QzjH+5ct575WW3/wLyiiZGB4qYD4voft8PeTY= MIME-Version: 1.0 Received: by 10.142.221.6 with HTTP; Thu, 22 Apr 2010 19:13:32 -0700 (PDT) In-Reply-To: <201004221758.o3MHwTb2006547@higson.cam.lispworks.com> References: <201004221441.PAA07296@wratting.cam.lispworks.com> <4BD0670A.8070205@xpam.de> <201004221758.o3MHwTb2006547@higson.cam.lispworks.com> Date: Thu, 22 Apr 2010 21:13:32 -0500 Received: by 10.142.208.12 with SMTP id f12mr443781wfg.226.1271988812476; Thu, 22 Apr 2010 19:13:32 -0700 (PDT) Message-ID: From: Chris Ruiz To: freebsd-fs@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: zfs: unexpected resilver of old disk when attaching a new mirror disk 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, 23 Apr 2010 02:41:25 -0000 On Thu, Apr 22, 2010 at 12:58 PM, Martin Simmons wrote: >>>>>> On Thu, 22 Apr 2010 17:11:06 +0200, Adam Nowacki said: >> >> My best guess is metadata updates to refer to the 2nd disk. I've seen >> same behavior when replacing a bad disk in 10 disk raidz2 pool. No data >> was affected. > > I would expect all new writes to automatically go to all disks though, so they > wouldn't be counted as resilvering. > > __Martin I don't know the reason why this happens but I do know that it's normal and that your data is ok. -- Chris ----------------------------------------- http://twitter.com/chrisattack http://chrisattack.com