From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Cipher TLSv1:DES-CBC3-SHA:168) (Exim 3.31-VA-mm2 #1 (Debian)) id 1AQYxP-0001qX-00 for ; Sun, 30 Nov 2003 13:18:19 -0800 Received: from pop.gmx.de ([213.165.64.20] helo=mail.gmx.net) by sc8-sf-mx1.sourceforge.net with smtp (Exim 4.24) id 1AQYxO-0000mD-CD for user-mode-linux-devel@lists.sourceforge.net; Sun, 30 Nov 2003 13:18:18 -0800 Message-ID: <05a201c3b788$12caed30$2000000a@schlepptopp> From: "roland" References: Subject: Re: [uml-devel] How to copy COW files to another machine across the network? MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: Date: Sun, 30 Nov 2003 22:22:34 +0100 To: Henrik Nordstrom , Shao-Lin Joseph Chung Cc: UML User list , UML Devel list hi! > You can't move COW files around but i`d like to move around my uml`s! hey - this is one of the uml benefits: you have a virtual machine which is independent from hardware and is _generally_ quite "relocateable". if it would have swsusp - i could even relocate a running instance - like i can do with vmware. why was that relocateability being made difficult artificially by putting that "features" into COW? is this "problem" going to be adressed? regards roland ----- Original Message ----- From: "Henrik Nordstrom" To: "Shao-Lin Joseph Chung" Cc: "UML User list" ; "UML Devel list" Sent: Friday, November 28, 2003 9:49 AM Subject: Re: [uml-devel] How to copy COW files to another machine across the network? > On Fri, 28 Nov 2003, Shao-Lin Joseph Chung wrote: > > > As the subject says, I'm trying to copy the COW files across the network. > > But the size of those copies got expanded to the same size of the backing > > file. > > You can't move COW files around unless you make a tool to adjust the COW > file header after the move. If not UML will disregard the COW file as > invalid and revert to the backing file copy.. UML checks that the > following parameters match the backing file > * Full file name including path > * File size > * Modification timestamp > > Regarding the size: You need to use a copying tool which accounts for > holes in the file. See for example the --sparse option to cp. > > Regards > Henrik > > > > ------------------------------------------------------- > This SF.net email is sponsored by: SF.net Giveback Program. > Does SourceForge.net help you be more productive? Does it > help you create better code? SHARE THE LOVE, and help us help > YOU! Click Here: http://sourceforge.net/donate/ > _______________________________________________ > User-mode-linux-devel mailing list > User-mode-linux-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel > ------------------------------------------------------- This SF.net email is sponsored by: SF.net Giveback Program. Does SourceForge.net help you be more productive? Does it help you create better code? SHARE THE LOVE, and help us help YOU! Click Here: http://sourceforge.net/donate/ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel