From owner-freebsd-current@FreeBSD.ORG Mon Jul 5 22:37:55 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2F4BD16A4CE; Mon, 5 Jul 2004 22:37:55 +0000 (GMT) Received: from rwcrmhc13.comcast.net (rwcrmhc13.comcast.net [204.127.198.39]) by mx1.FreeBSD.org (Postfix) with ESMTP id 173C743D2D; Mon, 5 Jul 2004 22:37:55 +0000 (GMT) (envelope-from julian@elischer.org) Received: from interjet.elischer.org ([24.7.73.28]) by comcast.net (rwcrmhc13) with ESMTP id <20040705223754015003f73pe>; Mon, 5 Jul 2004 22:37:54 +0000 Received: from localhost (localhost.elischer.org [127.0.0.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id PAA52573; Mon, 5 Jul 2004 15:37:52 -0700 (PDT) Date: Mon, 5 Jul 2004 15:37:51 -0700 (PDT) From: Julian Elischer To: Don Lewis In-Reply-To: <200407052151.i65LouOV002134@gw.catspoiler.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-current@FreeBSD.org cc: damaker@fillibach.de Subject: Re: moving /usr to another partition X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Jul 2004 22:37:55 -0000 On Mon, 5 Jul 2004, Don Lewis wrote: > On 5 Jul, Konstantin 'Kosta' Welke wrote: > > Hi! > > > > Diskspace is running low, so I'd like to move my /usr to another > > disk. I was told that cp -Rv is not a good idea and i should use > > dump instead. The problem is: That disk is big and half-full and > > I don't want to empty it. Is it possible to let restore work to > > a directory instead of a disk? Im not sure after reading the man > > page, google doesnt know either and I dont want to find out "the > > hard way". So i guessed it couldn't hurt to ask... > > > > If you have any hints or alternatives, please let me know! > > I'm pretty sure that "restore -r" will do the right thing and just > unpack the dump archive into the current working directory. I'm pretty > sure that I've done this in the past. > > I don't understand the warnings in the man page: > > -r Restore (rebuild a file system). The target file system should > be made pristine with newfs(8), mounted and the user cd'd into > the pristine file system before starting the restoration of the > initial level 0 backup. > [snip] > The -r flag precludes an interac- > tive file extraction and can be detrimental to one's health if > not used carefully (not to mention the disk) > > Restoring into a directory that already contains stuff is likely to be > harmful to the contents, but I think restoring into an empty directory > should be fine. > > Anyone else care to comment? I've done this a lot.. boot single user.. mount /usr mount -u / mount /var mount /newuser cd /usr find . -xdev -depth|cpio -pdmuv /newusr edit /etc/fstab to swap newusr and usr sync reboot > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >