Derived SKUs of Virtual Datacenter (VDC) subscription cannot be attached to the RHEL Guest VMs even when the Hypervisors are Subscribed.

Solution Verified - Updated -

Environment

  • Subscription-Manager/RHSM
  • Virt-who
  • Satellite 6.8.4+

Issue

  • A virtual system can't be subscribed even when its hypervisor is reported as subscribed on the portal or Satellite.
  • Cannot re-attach the VDC subscription to the Guest machines after they got un-subscribed for an unknown reason.
  • Derived SKU for the hypervisors are not getting generated on satellite server.

Resolution

  • This is a known issue and is currently being tracked under Red Hat Bugzillas 1936505 [RHSM] and 1935093 [Satellite].
    For more information, open a support case with Red Hat Technical Support.

  • Please follow the below workaround for systems attached to RHSM:

    1) Remove and re-attach the VDC subscription from the hypervisor profile(s).
    2) Restart the 'virt-who' service from the virt-who server to report all Hypervisor profiles to the Red Hat Customer Portal.
    3) Run subscription-manager refresh and subscription-manager attach --auto on the Guests to subscribe them.

  • Please follow the below workaround for systems attached to Satellite 6.8.4+:

    1) Downgrade candlepin and candlepin-selinux packages on the Satellite server from 3.1.24-1.el7sat to 3.1.22-1.el7sat ( Need to disable foreman-protector plugin before downgrading, enable it back)

    # yum downgrade candlepin-3.1.22-1.el7sat candlepin-selinux-3.1.22-1.el7sat --disableplugin=foreman-protector

    2) Restart satellite services and verify the health of the server.

    # satellite-maintain service restart
# sleep 30 && hammer ping

    3) Remove and re-attach the VDC subscription from the hypervisor profile(s).
    4) Restart the 'virt-who' service from the virt-who server to report all Hypervisor profiles to the Red Hat Satellite server.
    5) Run subscription-manager refresh and subscription-manager attach --auto on the Guests to subscribe them OR Perform Auto-Attach on the hosts from Satellite WebUI using following navigation:

    • On the Satellite WebUI >> Hosts >> Content Hosts >> Select the relevant hosts >> Select Action >> Manage Subscriptions >> On the pop-up window click on Auto-Attach on top left corner.

Root Cause

  • This issue is still being investigated under Bugzilllas 1936505 and The satellite specific bugzilla 1935093 will be addressed in the upcoming Sat6.8.5 release.

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