On Monday 20 May 2013 08:18:55 Ivan T. Ivanov wrote: > > -----Original Message----- > > From: Mick [mailto:[email protected]]
> > Unfortunately, I don't have enough space to place the ISO in the /boot > > partition and I don't use an initrd. > > initrd is an option/command of the grub itself, instead of pcdoctor.iso > knopix iso image have to be specified and regarding space limitation ... > image could be placed anywhere in the file system only requirements is > that it have to be mounted/accessible by grub during boot. OK, I pointed initrd to (hd0,10)/KNOPPIX......iso, but I don't know how to mount /dev/sda11 as part of the booting process. This is how I specified it: title Knoppix ISO root (hd0,9) kernel /boot/isolinux/memdisk iso raw initrd (hd0,10)/KNOPPIX_V7.0.5DVD-2012-12-21-EN.iso Where (hd0,9) is my /boot partition and (hd0,10) is a large partition that contains various images. > > Trying to understand your grub entry - what is /boot/memdisk? Have you > > built > > some eltorito image for your purpose? How does it work? > > I am not sure how memdisk is working :-), it is part of sys-boot/syslinux > My understanding is that grub is loading memdisk as a kernel/os with an > option 'iso' and initrd option specifies what to mount as a rootfs?? Yes, that's right: http://www.syslinux.org/wiki/index.php/MEMDISK Unfortunately, it can only boot some images it seems, or it can only boot them if they have been stored in /boot. I copied memdisk from the KNOPPIX DVD to my /boot, grub finds it and runs it, but then it fails to load the Knoppix ISO with this error: MEMDISK: No ramdisk image specified! -- Regards, Mick
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