From owner-freebsd-stable@FreeBSD.ORG Sat Jan 12 20:47:44 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 0CAD29BF for ; Sat, 12 Jan 2013 20:47:44 +0000 (UTC) (envelope-from xenophon+freebsd@irtnog.org) Received: from mx1.irtnog.org (rrcs-24-123-13-61.central.biz.rr.com [24.123.13.61]) by mx1.freebsd.org (Postfix) with ESMTP id ACF1F8F4 for ; Sat, 12 Jan 2013 20:47:42 +0000 (UTC) Received: from cinep001bsdgw.irtnog.net (localhost [127.0.0.1]) by mx1.irtnog.org (Postfix) with ESMTP id DC69B1ADA5 for ; Sat, 12 Jan 2013 15:47:35 -0500 (EST) X-Virus-Scanned: amavisd-new at irtnog.org Received: from mx1.irtnog.org ([127.0.0.1]) by cinep001bsdgw.irtnog.net (mx1.irtnog.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id e3rx4xo1KNAx for ; Sat, 12 Jan 2013 15:47:27 -0500 (EST) Received: from cinip100ntsbs.irtnog.net (cinip100ntsbs.irtnog.net [10.63.1.100]) by mx1.irtnog.org (Postfix) with ESMTP for ; Sat, 12 Jan 2013 15:47:27 -0500 (EST) Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Subject: RE: Deleting the top-level ZFS file system (without affecting its children) Date: Sat, 12 Jan 2013 15:47:25 -0500 X-MimeOLE: Produced By Microsoft Exchange V6.5 Message-ID: In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Deleting the top-level ZFS file system (without affecting its children) thread-index: Ac3wEO76esBKH2wKTAWuaTrW6nRr4QA8wljg References: From: "xenophon\\+freebsd" To: X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Jan 2013 20:47:44 -0000 > Why would rm -rf /oldroot/* not return all the allocated space? > I can only think of snapshots keeping the space allocated, but > you can remove those too. Can you elaborate on that? Ronald, This will free space in the file system (as shown by df), but it won't return the space to the pool. It looks like ZFS won't let you shrink file systems yet. Best wishes, Matthew --=20 I FIGHT FOR THE USERS