Andrew Brown wrote:
> So I've figured out the issue (finally).  Apparently, the optional 
> grub stage 1.5 is stored in the normally unused space between the mbr 
> and the start of the first partition.  The image I chose to use for my 
> testing did use this grub stage 1.5 (I think fedora doesn't by default 
> though), and of course, I wasn't capturing that data in my images (I 
> only recorded mbr, partition table, and partition contents)
>
> So I've modified my script to capture three things now.
> 1) the first 63 sectors (63 * 512 bytes) of the hard drive.  This 
> includes the mbr and all space before the first partition, which 
> starts on sector 63 for all machines I've looked at.  I'm assuming 
> this is always the case (is this a valid assumption?)
>
> 2) The output from sfdisk -d, to capture extended partitions
>
> 3) A full image of each partition using dd.
>
> I've tested this and it seems to work perfectly.  I've attached the 
> most recent version of my kickstart file which includes the script.
>
> The next step at this point, and correct me if I'm wrong, is to get 
> partimage or some other utility to stand in for dd.
> I was taking a look at partimage-ng, which looks like a full rewrite 
> of partimage that looks promising.  It also has built in capability to 
> fall back to a dd like copy for unknown filesystems.
>
> Oh, and also:  Unless partimage somehow captures that data 
> automatically, as far as I can tell XCat's imaging functionality has 
> the same issue.  I figure we just hadn't run into it yet because all 
> the Red Hat based images we have don't use the grub stage 1.5.
>
> -Andrew Brown
> ------------------------------------------------------------------------
>
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>   

This file also came across without a GPL license header.  Can you please 
add one (GPLv2+) as found on the other cobbler files or otherwise reply 
and say I can add it?   This is also needed for us to host the ISO in a 
common download location.

Thanks!

--Michael


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