Createrepo causes module conflict on RHEL 8 reposync

Solution Verified - Updated -


  • How to manually insert module metadata into existing repodata
  • Repository mirror for RHEL8 created via createrepo_c command does not handle modules information correctly:

    # yum update
    Problem 1: cannot install both perl-libs-4:5.24.4-404.module+el8.1.0+2926+ce7246ad.x86_64 and perl-libs-4:5.26.3-416.el8.x86_64
    - package perl-Algorithm-Diff-1.1903-10.module+el8.1.0+2926+ce7246ad.noarch requires perl(:MODULE_COMPAT_5.24.4), but none of the providers can be installed
    - cannot install the best update candidate for package perl-libs-4:5.26.3-416.el8.x86_64
    - cannot install the best update candidate for package perl-Algorithm-Diff-1.1903-9.el8.noarch
  • After switching to direct update from Red Hat provided repositories, then there are no errors.


  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • createrepo_c version 0.16.2-1.el8[Fixed]

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