[ABANDONING:] Re: fedora equivalent of recovery disk

[Michael D. Setzer II]

On 23 Dec 2011 at 18:51, Michael Hennebry wrote:

Date sent:      	Fri, 23 Dec 2011 18:51:47 -0600 (CST)
From:           	Michael Hennebry 
<hennebry at web.cs.ndsu.nodak.edu>
To:             	Community support for Fedora users 
<users at lists.fedoraproject.org>
Subject:        	Re: [ABANDONING:] Re: fedora equivalent of 
recovery disk

> On Wed, 21 Dec 2011, g wrote:
> 
> > making images is a very un-assuring way of making backups because
> > there is no _easy way_ of verifying.
> 
> If the image fits into a single device,
> each partition can be mounted without special tools.
> Correctness can be verified with diff --recursive .
> 

My cable modem was down for about 1 1/2 days, so I'm going 
thru over 500 message..

Not clear on the no easy way of verifying message. With my g4l 
project I've found that compressed images of disks or partitions 
can easily be checked using the compression tools built in testing 
tools. After creating images, I run the lzop -t image.lzo and if it 
comes back with OK, then I've never had a problem. I once had a 
corrupted image file, but it failed the test, and turned out to be a 
bad ram stick in the machine, and once replaced it has worked 
fine for years. 

Having an untested backup of any type is not a good ideal. Many 
users never check there backups just assuming that will work. I 
generally wipe a disk in front of the students to show them how 
quickly it can be restore if one has a good backup versus having 
to rebuild a machine from scratch plus all the data that may no 
longer exist anywhere..



> -- 
> Michael   hennebry at web.cs.ndsu.NoDak.edu
> "On Monday, I'm gonna have to tell my kindergarten class,
> whom I teach not to run with scissors,
> that my fiance ran me through with a broadsword."  --  Lily
> -- 
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+----------------------------------------------------------+
  Michael D. Setzer II -  Computer Science Instructor      
  Guam Community College  Computer Center                  
  mailto:mikes at kuentos.guam.net                            
  mailto:msetzerii at gmail.com
  http://www.guam.net/home/mikes
  Guam - Where America's Day Begins                        
  G4L Disk Imaging Project maintainer 
  http://sourceforge.net/projects/g4l/
+----------------------------------------------------------+

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