[CentOS] CentOS 6 DVD install "Unable to read group information from repositories"

Trey Dockendorf treydock at gmail.com
Wed Jul 13 14:59:23 UTC 2011

This was 64 bit install and the media checks were good.  I also successfully
used the same install media on another system.  Ill try the suggestions and
see if the drive is having problems.
On Jul 13, 2011 1:27 AM, "Ljubomir Ljubojevic" <office at plnet.rs> wrote:
> Trey Dockendorf wrote:
>> Tried my first CentOS 6 install on a system currently running 5.6. My
>> attempt was not an upgrade, but a full re-format. I have verified the
>> checksums of the ISO and did the pre-install disk verify and everything
>> checked out. However after the screen for setting up the bootloader I
>> get the following error
>> "Unable to read group information from repositories. This is a problem
>> with the generation of your install tree"
>> With my only options being "Exit Install" and "Retry", but of course
>> "Retry" continues to fail with the same message.
>> Basically I chose the first option in the menu for the DVD, install /
>> upgrade, went through all the settings, did a custom layout for
>> partitioning. I basically told the installer to re-format my ext3
>> partitions to ext4 and set the mount points for / , /boot and swap.
>> Then after selecting "Next" from the bootloader configuration is when I
>> get the above error.
> 1. Was this i386 or x86_64?
> 2. Have you run Media test od DVD('s) in system in question? Maybe DVD
> drive can not read them right. Especially if you used higher speed to
> burn the disk. I would recommend slow burning like 4x when you burn OS
> DVD's (and 16x for CD's).
> And have you by any chance tried the same DVD('s) on any other system?
> Ljubomir
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