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Description of problem:
I am installing RHEL3 on completely unconfigured HP DL series (560 G2
& 380 G3's) with CCISS h/w raid cards.  I would like to configure
these devices in %pre with the command line utility that HP provides;
however, I run into 2 obstacles that prevent an un-interrupted
installation (I will open the other obstacle in a seperate RFE):

Before anaconda is launched, loader tells me:

"No hard drives have been found.  You probably need                  
     to manually choose device drivers for the installation to
succeed.  Would you like to select drivers now?"

This is part of the checkForHardDrives function in loader.c. 
Obviously no hard drives have been found because none have been
configured yet.  How about a parameter that can be passed to
isolinux/syslinux/etc, such as "noprobehdd", so this message can be
avoided?

Version-Release number of selected component (if applicable):
anaconda-9.1.1-7.RHEL

How reproducible:
Always

Steps to Reproduce:
1. Build a HP server with an unconfigured CCISS array
2. Start the RHEL installer.
3. Watch the error.