From owner-freebsd-questions Fri Mar 15 9:33:17 2002 Delivered-To: freebsd-questions@freebsd.org Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by hub.freebsd.org (Postfix) with ESMTP id 9EEB737B402 for ; Fri, 15 Mar 2002 09:33:14 -0800 (PST) Received: from dan.emsphone.com (dan@localhost [127.0.0.1]) by dan.emsphone.com (8.12.2/8.12.2) with ESMTP id g2FHX8WM017137; Fri, 15 Mar 2002 11:33:09 -0600 (CST) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.12.2/8.12.2/Submit) id g2FHX6RN017135; Fri, 15 Mar 2002 11:33:07 -0600 (CST) Date: Fri, 15 Mar 2002 11:33:05 -0600 From: Dan Nelson To: Jean-Yves Lefort Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Available disk space is negative ? Message-ID: <20020315173303.GE2941@dan.emsphone.com> References: <20020315181752.A60072@jsite.lefort.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020315181752.A60072@jsite.lefort.net> User-Agent: Mutt/1.3.27i X-OS: FreeBSD 5.0-CURRENT X-message-flag: Outlook Error Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In the last episode (Mar 15), Jean-Yves Lefort said: > This night i started a make buildworld on my router before going to > bed; unhopefully, i forgot to check the available disk space before > starting it, and when i waked up i saw the buildworld dead because of > disk full. > > I issued a 'df', and oh surprise, my available disk space was > '-85mb'. Negative value??? FreeBSD giving me a few extra megs for > free? Waw :) By default, 8% of all filesystems are reserved, to help with the allocation of contiguous blocks for large files. Root can dip into this reserved space, though, and when it does, you will see "negative" values in df. When it hits 108%, even root will get disk full messages. -- Dan Nelson dnelson@allantgroup.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message