From owner-freebsd-hackers Sun Oct 29 23:24:17 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from earth.backplane.com (placeholder-dcat-1076843399.broadbandoffice.net [64.47.83.135]) by hub.freebsd.org (Postfix) with ESMTP id 6D1F037B4C5 for ; Sun, 29 Oct 2000 23:24:15 -0800 (PST) Received: (from dillon@localhost) by earth.backplane.com (8.11.1/8.9.3) id e9U7NuB73306; Sun, 29 Oct 2000 23:23:56 -0800 (PST) (envelope-from dillon) Date: Sun, 29 Oct 2000 23:23:56 -0800 (PST) From: Matt Dillon Message-Id: <200010300723.e9U7NuB73306@earth.backplane.com> To: "Leif Neland" Cc: "Ryan Thompson" , Subject: Re: Filesystem holes References: <01a801c04236$ed0a0d20$0e00a8c0@neland.dk> Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG :> :What will happen, if somebody (possibly you, as mahordomo says), tries to :make a backup of that file. That will depend on the backup program. dump/restore can handle holes just fine. tar can handle them in a 'fake' way, and you have to tell it. Programs like 'cp' cannot handle holes.... they'll copy the zero's. :I'd be afraid to create something which could easily blow up by having :normal operations applied to it. : :Leif Yes, there's a high probability of that. It's one of the reasons why people typically use the feature, at least not for 'permanent' data sets. -Matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message