DD

[Mark Musone]

If your just concerned about network traffic, you can just pipe the dd
through scp
With compression turned on. You'll get probably twice the speed because
you are simply not using NFS.
And secondly, the compression should  probably doube the non-NFS speed,
and will compress the 
DD zero blocks tremendously.

So overall, you should quadruple the transfer speed of the used blocks
and essentially not need to transfer (ok, your transfring it but a speed
of probably 10-20 times at least) the unused blocks.

-Mark


-----Original Message-----
From: owner-nflug at nflug.org [mailto:owner-nflug at nflug.org] On Behalf Of
Robert Dege
Sent: Friday, September 13, 2002 8:24 PM
To: nflug at nflug.org
Subject: Re: DD



Here's my situation.  The PC folks at my company use Ghost to image a
machine with Win2000 (with all the crimy patches, security fixes, and
3rd party package installs).  Well, they ran out of licenses and now
have to install everything from scratch on each machine.  This almost
triples the time it takes to process a machine.

Well, me being the smart-ass linux person, I told them that I could use
linux tools to perform a similar function to Ghost.  yeah, I know....
but anyways....

I used KNOPPIX's Boot CD, and was able to NFS mount where I had the dd
dumps stored.  So I found a way to do it, but unfortunately, dd'ing 30GB
images across a network is just wrong.  I'd use dump, but linux can't
mkfs NTFS.  And CD-Rom Recorvy doesn't support NTFS as a FS.

And this is where I'm at.

-Rob

> i belive there was a post about a week or so about mkcdrec, 
> http://mkcdrec.ota.be. i've never used it but i would imagine that you

> can write the image to disk instead of the cd.
>
> Justin Bennett wrote:
> > Ghost doesn't do what you want? Powerquest Disk(Drive???) image. 
> > Something like that. Haven't used it much, but a guy at work uses it

> > alot. It makes a boot disk which is actually caldera linux I 
> > believe, when it runs the image and restore programs. I have a copy 
> > at that I got for evaluation purposes (limewire) but I've never used

> > it, I've only used just ghost. Other than that can't tell you much 
> > about it.
> >
> >
> > Robert Dege said:
> >
> >>Does anyone know of a program that acts like Norton's Ghost?  I 
> >>would use dd, but it doesn't an entire dump of the disk, instead of 
> >>just the data. It makes it cumbersome when I want to image 500 Megs 
> >>on a 10 gig HD.
> >>
> >>
> >>
> >>Dege
> >>
> >>So Many Things in Life Would Be Really Funny
> >>.... If They Weren't Happening To Me
> >>
> >>
> >>--
> >>This message has been scanned for viruses and
> >>dangerous content by Dynabrade using Mailscanner,
> >>and is believed to be clean.
> >
> >
> >
>
>
> --
> Darin Perusich
> Unix Systems Administrator
> Cognigen Corp.
> darinper at cognigencorp.com
>
>
>



Dege

So Many Things in Life Would Be Really Funny
.... If They Weren't Happening To Me