[Satellite 6.10] Sync for EPEL fails with: "This repository uses features which are incompatible with mirror sync."

Environment

• Satellite 6.10

Issue

• After upgrade to Satellite 6.10, the synchronization task for EPEL repositories fails with the following error:

"This repository uses features which are incompatible with 'mirror' sync. Please sync without mirroring enabled."

Resolution

• As a workaround disable Mirror on Sync for affected repositories and restart the sync:

WebUI --> Content --> Products --> <product_name> --> <repository_name> --> Mirror on Sync --> No

For more KB articles/solutions related to Red Hat Satellite 6.x Repository Issues, please refer to the Red Hat Satellite Consolidated Troubleshooting Article for Red Hat Satellite 6.x Repository Issues.

Root Cause

• This bug is being tracked in: This content is not included.Bug 2024894 - Unable to sync EPEL repositories on Satellite 6.10 when 'Mirror on Sync' is enabled

• What is Mirror on Sync?

Mirror on Sync – Ensures the content that is no longer part of the upstream repository is removed during synchronization. 

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