Server Cloning application

Esquivel, Vicente Esquivelv at uhd.edu
Mon Mar 12 20:14:47 UTC 2007


Where would that be located, I cant seem to find it on my own and the
documentation doesn't go over that from what I can tell.



> -----Original Message-----
> From: redhat-install-list-bounces at redhat.com 
> [mailto:redhat-install-list-bounces at redhat.com] On Behalf Of 
> Harold Hallikainen
> Sent: Monday, March 12, 2007 3:04 PM
> To: Getting started with Red Hat Linux
> Subject: RE: Server Cloning application
> 
> 
> > So gl4 will make the image as big as the filesystem you are cloning?
> >
> > Meaning if the server is 53GB with only 4GB being used by 
> OS and app, 
> > then the image will copy the entire disk?
> >
> > Therefore the image will be about 53GB in size or do I have 
> that wrong?
> >
> >
> 
> g4l includes an application that puts nulls in all unused 
> bytes on the disk. You can then tell it to create an image of 
> the entire disk, but with compression (I use gzip). The null 
> bytes compress pretty well!
> 
> Harold
> 
> 
> 
> 
> >
> >> -----Original Message-----
> >> From: redhat-install-list-bounces at redhat.com
> >> [mailto:redhat-install-list-bounces at redhat.com] On Behalf Of Rick 
> >> Stevens
> >> Sent: Tuesday, March 06, 2007 12:29 PM
> >> To: Getting started with Red Hat Linux
> >> Subject: Re: Server Cloning application
> >>
> >> On Tue, 2007-03-06 at 11:02 -0500, mylar wrote:
> >> > On Mon, 2007-03-05 at 09:48 -0800, Rick Stevens wrote:
> >> > > On Mon, 2007-03-05 at 10:11 -0600, Esquivel, Vicente wrote:
> >> > > > Hello all,
> >> > > >
> >> > > > Can anyone tell me what they use for cloning RH servers?
> >> > >
> >> > > Ghost4Linux (g4l) works well.  Good ol' ghost 2003 works, too.
> >> > > We also use a disk duplicator.  Expensive, but a good way to 
> >> > > clone
> >> > > 5+ disks at a time.
> >> > >
> >> > Is there any advantage to using g4l over something like dd ???
> >>
> >> You can't use dd if the disks are dissimilar or the 
> partition sizes 
> >> are different.  dd is only really reliable with absolutely 
> identical 
> >> disks, and even then I'm skeptical as it does absolutely no error 
> >> checking.
> >>
> >> g4l can handle dissimilar partitions, disks and such and 
> does a fair 
> >> bit of error checking.  g4l is freeware.  Use it.
> >>
> >> 	http://sourceforge.net/projects/g4l
> >>
> >> 
> ----------------------------------------------------------------------
> >> - Rick Stevens, Principal Engineer          
> rstevens at vitalstream.com -
> >> - VitalStream, Inc.                       
> http://www.vitalstream.com -
> >> -                                                          
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> >> -  A friend said he climbed to the top of Mount Ranier.  
> My view is  -
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> interesting.   -
> >> 
> ---------------------------------------------------------------------
> >> -
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