I've been using SystemImager off and on for over 5 years and I know this 
used to work, at least before had upgraded awhile back to version 3.7.4 
and am not sure if I'd tried it since on this particular architecture - 
this is a dual-socket, dual core AMD .  Anyhow, just to be safer, I just 
upgraded again to 3.8.4, but it too is giving me problems so I'm 
wondering if it's something I've since forgotten how to use it as it has 
been a long time.

The bottom line is my installation script gets all way to the point in 
which it tries to create the disk structure and the very first call to 
parted to print the existing partition structure fails with "Could not 
stats device /dev/sda, though it still goes on to run the dd command and 
zero the boot record which didn't generate any errors.  But then the 
command 'blockdev --rereadpt /dev/sda' fails with "inappropriate ioctl 
for device".  but it still continues to run [are we having an error 
handling problem here in the script?] and when the parted command to 
create the partition fails with "the location 100 is outside of the 
device /dev/sda..." it finally aborts.

At that point I went in manually and tried executing the same commands 
and here's what I found.

parted -s -- /dev/sda did NOT give me an error, but it said the disk 
geometry is "0kB - 0kB", which would certainly say why it couldn't 
create the partition later on and "blockdev -rereadpt" failed the same 
way as in the master install script.  I know there is a valid disk 
structure here because it was happily running rhel4/u4 before I tried to 
image it.  I also tried this on a second, identically configured system 
and it failed in exactly the same way!

so I'm sure something must be misconfigured somewhere but I have no idea 
where.  I also suspect I'm not the first to see this particular problem 
either and te solution is well know, at least by someone.

-mark



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