[ipxe-devel] Install RHEL to iSCSI Target and Boot From iPXE

[Greg Jednaszewski]

I ran into this same stack trace in a non-iPXE scenario.  What caused the problem for me was the presence of various rd_NO_* kernel parameters in the grub config.  In my case it was rd_NO_LVM, but I also saw rd_NO_MD and rd_NO_DM, which may be causing your issue.  It seems that the RHEL6 installer puts those kernel parameters in to disable features that it doesn't think you need.

Greg

On May 9, 2013, at 9:12 PM, "Gruher, Joseph R" <joseph.r.gruher at intel.com> wrote:

> Hello-
>  
> I am trying to boot RHEL6.4 over iSCSI using iPXE to start the boot process.  I’ve done this before on boards which had BIOS iSCSI boot support and it works fine so I know RHEL6.4 supports iSCSI boot.  However, I can’t quite seem to get it to work with iPXE. 
>  
> My process is:
> 1.       Boot RHEL installer from ISO
> 2.       Mount iSCSI target using iSCSI support in installer GUI
> 3.       Install RHEL as usual, no special settings
> 4.       Reboot and boot from iPXE on USB key
> 5.       Use iPXE script to configure network interface and sanboot from iSCSI target
>  
> It almost works… iPXE is able to configure the network and connect the target and begin the boot process.  I can actually see RHEL loading for a while so I know boot has begun.  However, before boot completes, it crashes as shown in the attached screenshot.  My theory is this is happening when the iSCSI connection is handed off from iPXE to the native iSCSI initiator in RHEL, but that is just a guess, I don’t really have any evidence for that being the case. 
>  
> Is this a known problem?  Any known tips or tricks or workarounds I might try?
>  
> Thanks!
>  
> -Joe
>  
> <image001.png>
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