I wish to create an iso file containing Centos 7 x64 for unattended/kickstart installations. For Centos 6, it worked like a charm. But for Centos 7, i am not able to create a bootable iso image.
This is what i did:
Mounted the original .iso
mkdir /tmp/iso
mount /work/CentOS-7-x86_64-Minimal-1503-01.iso /tmp/iso -o loop
Copying the files to a new directory:
mkdir /work/kickstart
rsync -avz /tmp/iso/ /work/kickstart/
Creating a new iso:
genisoimage -untranslated-filenames -volid 'CentOS-7.0-KS-x86_64' -J -joliet-long -rational-rock -translation-table -input-charset utf-8 -x ./lost+found -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -eltorito-alt-boot -e images/efiboot.img -no-emul-boot -o /work/centos7.iso -T /work/kickstart
isohybrid -u /work/centos7.iso
All is good so far, but when i try to boot out of this image i get:
dracut-initqueue[577]: Warning: Could not boot.
dracut-initqueue[577]: Warning: /dev/root does not exist
Screen shot - http://prntscr.com/81rs63
What causes this problem? I guess i am not creating the iso right, it should be a simple copy of the same data.
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