From owner-freebsd-questions@FreeBSD.ORG Tue Dec 11 07:33:41 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 26213341 for ; Tue, 11 Dec 2012 07:33:41 +0000 (UTC) (envelope-from talayeh.asadi@gmail.com) Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id D66148FC18 for ; Tue, 11 Dec 2012 07:33:40 +0000 (UTC) Received: by mail-ob0-f182.google.com with SMTP id 16so4147734obc.13 for ; Mon, 10 Dec 2012 23:33:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:sender:from:date:x-google-sender-auth :message-id:subject:to:content-type; bh=CSNanpZ9lt+XIYqxyseMFvTrUU4IbfKzn7tYubsqziU=; b=B04EcIKWBlji8pmzkdj8dl5gwwSqr/MxorSZrh3YjYl5O2tWYVBzGtkPPv8B0eaajR U73DEgcOb8O7p590Yl4ArGoppkd4ZQHcR4242A287+AG7orAjVy9hTSFEyO7QcStrnoq or2OSGdnMCS69rEcIqUOyJllaWBnzxnL+sWsi1lqwrsPEiSTdUHVN5QthKEaMFFuHTTz UdetgwJNpqKOCDVYKzI0M0B2OM99nRxur750upAJ8F/+Bpy+z7aT4IdjUO0Y9/x8+dlw HUcn61R8VsgYYrTibOdm8YsuNd4um5Gw/f9DY4uRQW9aca+nHXTW2SWQ3ZBGH1piNhai D5qg== Received: by 10.182.245.20 with SMTP id xk20mr8897585obc.89.1355210730295; Mon, 10 Dec 2012 23:25:30 -0800 (PST) MIME-Version: 1.0 Sender: talayeh.asadi@gmail.com Received: by 10.182.71.69 with HTTP; Mon, 10 Dec 2012 23:25:10 -0800 (PST) From: takCoder Date: Tue, 11 Dec 2012 10:55:10 +0330 X-Google-Sender-Auth: 9m4uRag3m_7J9H19aTx4q5A-T4g Message-ID: Subject: mount -u effects To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: tak.official@gmail.com List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Dec 2012 07:33:41 -0000 hi all, i'm trying to move from freebsd to nanobsd on my server.. so i have a ro partition.. but there are few times i have to upgrade my binary files on this bsd server, so i need to change my ro partition to a rw one during upgrade phase.. via googling, i found out that i can use "mount -u" on the mentioned device, and then after doing whatsoever needed, when i restart my server the ro permission will be back via applying old fstab.. i tested this method and it was ok for my need :) but i have no idea what kind of effects it may have on my server.. i couldn't find anything but suggestions about not to use this so often.. and i really need to know why?? cause my bsd server is not allowed to be missed almost at all.. i think that because this -u option is just increasing my permissions in this case, there won't be a danger for my server. is that true?! really waiting for your points on this case. special thanks in advance, takCoder