On Tue, Apr 17, 2012 at 8:38 PM, Russ Lavoy <ussray...@yahoo.com> wrote:
> Hello, > > I am trying to update my systems to centos 6.2. I am having an issue with > the repositories for 6.2 on a CentOS 5.7 Cobbler server. It tells me > "unable to read group information from repositories. This is a problem > with the generation of your install tree." However, the repositories work > just fine if I point an existing centos 6 server to them and try to install > anything from them. Its only when I am kickstarting and trying to install > over HTTP that this fails. > > To get this to work, I had to remove the repmod.xml and redownload it from > my internet source. Are the createrepo flags needing to be changed a bit to > support both operating systems? > > From: http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/sec-Creating_a_Yum_Repository.html Because RPM packages for Red Hat Enterprise Linux 6 are compressed using the XZ lossless data compression format, and may also be signed using alternative (and stronger) hash algorithms such as SHA-256, it is not possible to run createrepo on Red Hat Enterprise Linux 5 to create the package metadata for Red Hat Enterprise Linux 6 packages. The createrepocommand relies on rpm to open and inspect the packages, and rpm on Red Hat Enterprise Linux 5 is not able to open the improved Red Hat Enterprise Linux 6 RPM package format. HTH -- Grtz, Jörgen Maas
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