From owner-freebsd-questions@freebsd.org Thu Dec 17 12:04:11 2015 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 336E7A48054 for ; Thu, 17 Dec 2015 12:04:11 +0000 (UTC) (envelope-from vsasjason@gmail.com) Received: from mail-wm0-x229.google.com (mail-wm0-x229.google.com [IPv6:2a00:1450:400c:c09::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C27FC10BB for ; Thu, 17 Dec 2015 12:04:10 +0000 (UTC) (envelope-from vsasjason@gmail.com) Received: by mail-wm0-x229.google.com with SMTP id l126so18373899wml.1 for ; Thu, 17 Dec 2015 04:04:10 -0800 (PST) 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=e16EJgTDWgW9sFpGvCqq9LRpyYnKDsktqJFtL5nm7yA=; b=N0OfPwMu0kGARnXm2SvaFmriWzKkHKZrHAS66pW9kg5cfUZqD0LZYAwvUVWofpQad0 9N+2MlXdi4kqgMWynEUcmgw0nONrlznrEgFrgQoGQFx8g0Qrj15beC8cMsDz9u2a2Jl3 jk91nC8mZOT67NVa19tz3XSptKQOW55pC1cTyh+WqUrI/DnsKdIw7/LLrhBxzw1yzFnH TFXtb2L/wou0xdLBHWHcBt5Xa+Z0lQnOl/k38gPqRQwYwc/BrfjbRsFRXQT+WX15BG+O ykPVKZqAQVngw8RfzpgyD19FMcTOB7PmrQwZVVXs4vf78kXQKNjxBIPiqshm2c/KKVJZ SnZA== MIME-Version: 1.0 X-Received: by 10.28.85.129 with SMTP id j123mr3858782wmb.77.1450353849275; Thu, 17 Dec 2015 04:04:09 -0800 (PST) Received: by 10.194.76.207 with HTTP; Thu, 17 Dec 2015 04:04:09 -0800 (PST) Received: by 10.194.76.207 with HTTP; Thu, 17 Dec 2015 04:04:09 -0800 (PST) In-Reply-To: References: Date: Thu, 17 Dec 2015 15:04:09 +0300 Message-ID: Subject: Re: which label to use in mount? From: Anton Sayetsky To: Warren Block Cc: Adam Vande More , FreeBSD Questions , Sergei G Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Dec 2015 12:04:11 -0000 17 =D0=B4=D0=B5=D0=BA. 2015 =D0=B3. 5:42 =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0= =BE=D0=B2=D0=B0=D1=82=D0=B5=D0=BB=D1=8C "Warren Block" =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB: > > On Wed, 16 Dec 2015, Anton Sayetsky wrote: > >> Labels are used when one wants to be independent of disk names and >> partitions numbers. GPT has native support for labels, thus independent of >> filesystem or partition types. GPT labels are also not consuming space o= n >> disk because that space already reserved. So if you'll make 200-sectors >> partition and label it - you'll get 200 sectors available. >> UFS labels stored in last sector of block device so consuming space. > > > This is true of generic labels, but I'm fairly sure that UFS label information is stored in filesystem metadata and takes no additional space. Yep, my fault. Of course metadata. > If a whole GPT partition is used for a single filesystem, either the GPT label or the UFS label should work identically. Maybe TS mounted same partition twice.