On Wed, Apr 01, 2009 at 05:13:10AM -0700, mala...@us.ibm.com wrote:
> 
> Hi all,
> 
>       I am trying to install RHEL5.3 on an iSCSI disk with two paths.
> I booted with "mapth" option but the installer picked up only a single
> path. Is this the expected behavior when I use "iBFT"?
>

I've installed RHEL 5.3 (and CentOS 5.3) to multipath-root using "mpath"
installer option. It worked fine. I didn't use iBFT though.. 
 
> The install went fine on a single path. I was trying to convert the
> single path to multi-path by running "mkinitrd". RHEL was unable to boot
> (panics) with the new "initrd" image.  The only difference between the
> old initrd image and the new one is that the old initrd image was using
> iBFT method and the new image was trying to use the values from the
> existing session(s) at "initrd" creation time. For some reason the
> latter method doesn't work. Is this a known bug?
> 

Yeah conversion from single path to multipath root can be tricky.. I think it
might require manual customization/editing of initrd image (scripts). 

-- Pasi

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