From owner-freebsd-geom@FreeBSD.ORG Thu Aug 1 09:16:33 2013 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id AB69BBD9; Thu, 1 Aug 2013 09:16:33 +0000 (UTC) (envelope-from fluca1978@gmail.com) Received: from mail-we0-x22e.google.com (mail-we0-x22e.google.com [IPv6:2a00:1450:400c:c03::22e]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id DF9F22435; Thu, 1 Aug 2013 09:16:32 +0000 (UTC) Received: by mail-we0-f174.google.com with SMTP id q54so1452623wes.5 for ; Thu, 01 Aug 2013 02:16:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=/o3G77YdQUqMy1nfLtkrntnxUqvwj7DKmfqh3y84+Zo=; b=MAtBHaqeY1eNc2mZWUlWh0B8sNetsE2lEgo2IXIlrBaUNbtjnf9HL+Pt+Joro7lFWn Mi37XuRnkFu6YYVVwx3uM6xtNNEGb8mqI7voh/UzHm7t40smiNscau8Z3t021ayDYh2C sReTHyEz0wVf2Yu8+hG2g7q6uHoRPUFkCQh2Ro9UEzhEu5efzZV09cJKZ7A4CEP5sEkn F6Yrn1/TRwspR6GaKCsPI4SZEZFJJsgtbHnkPU5ygG5I4NtrGDKxHsXlq3206pgECU0N o4tqTnzvcKOE9T6FrT9Pv+bKXiHuSlrUS4AvOOui6BmyrpbaUr9352ZuKwvMsEht2yKp iAOw== MIME-Version: 1.0 X-Received: by 10.180.24.130 with SMTP id u2mr413634wif.44.1375348590359; Thu, 01 Aug 2013 02:16:30 -0700 (PDT) Sender: fluca1978@gmail.com Received: by 10.194.157.194 with HTTP; Thu, 1 Aug 2013 02:16:30 -0700 (PDT) In-Reply-To: <331012162.20130801122156@serebryakov.spb.ru> References: <20130730214114.GL13659@lor.one-eyed-alien.net> <331012162.20130801122156@serebryakov.spb.ru> Date: Thu, 1 Aug 2013 11:16:30 +0200 X-Google-Sender-Auth: YBiRWUdh_QEobh8dMWVEAW2Y1Is Message-ID: Subject: Re: How to disable all GEOM tasting? From: Luca Ferrari To: lev@freebsd.org Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: quoted-printable Cc: Rotate 13 , Brooks Davis , freebsd-geom@freebsd.org X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Aug 2013 09:16:33 -0000 On Thu, Aug 1, 2013 at 10:21 AM, Lev Serebryakov wrote: > Hello, Luca. > You wrote 1 =C1=D7=C7=D5=D3=D4=C1 2013 =C7., 11:31:21: > > LF> However, I don't get the whole point in disabling tasting: it is > LF> required for proper system functioning. > Presence of a lot (and "a lot" could mean THOUSANDS -- think about reg= ular ZVOLs > snapshots on iSCSI-used NAS) of "foreign" "block devices". Uhm...but in such case the class should have a g_taste set to NULL to avoid tasting on itself. What I was saying is that disabling taste system wide (i.e., in the geom subsystem) cannot work. Am I wrong? Luca