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

Robert Nichols rnicholsNOSPAM at comcast.net
Wed Jul 13 12:51:17 UTC 2011

On 07/12/2011 07:00 PM, 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.

Use ctrl-alt-F4 to switch to VT4 and view the console messages.  See if the
DVD drive is having problems.

Bob Nichols     "NOSPAM" is really part of my email address.
                 Do NOT delete it.

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