From owner-freebsd-hackers Wed Mar 10 7:15:39 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from cc942873-a.ewndsr1.nj.home.com (cc942873-a.ewndsr1.nj.home.com [24.2.89.207]) by hub.freebsd.org (Postfix) with ESMTP id 8082A150B2 for ; Wed, 10 Mar 1999 07:15:37 -0800 (PST) (envelope-from cjc@cc942873-a.ewndsr1.nj.home.com) Received: (from cjc@localhost) by cc942873-a.ewndsr1.nj.home.com (8.9.3/8.8.8) id KAA01521; Wed, 10 Mar 1999 10:24:41 -0500 (EST) (envelope-from cjc) From: "Crist J. Clark" Message-Id: <199903101524.KAA01521@cc942873-a.ewndsr1.nj.home.com> Subject: Re: using dd to make backup of disk? In-Reply-To: <36E658FE.F60CAC31@bowtie.nl> from Peter Weijmarshausen at "Mar 10, 99 12:35:26 pm" To: pete@bowtie.nl (Peter Weijmarshausen) Date: Wed, 10 Mar 1999 10:24:41 -0500 (EST) Cc: hackers@FreeBSD.ORG Reply-To: cjclark@home.com X-Mailer: ELM [version 2.4ME+ PL40 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Peter Weijmarshausen wrote, > Before you all start mailing me about how stupid it > is to use dd as a backup mechanism: I use this in > order to maintain an instant bootable backup. > So if the primary disk crashes I unplug it, reboot the > system and I have a working system again. Why is, # cd backupfs # dump -0af - origfs | restore -rf - Any less 'instant?' And 'dump' is meant to handle live filesystems. -- Crist J. Clark cjclark@home.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message