OCPBUGS-65588: Update the RHCOS 4.18 bootimage metadata

[tlbueno]

The changes done here will update the RHCOS 4.18 bootimage metadata and address the following issues:

• OCPBUGS-64613: [4.18] coreos-boot-disk link not working with multipath on early boot

This change was generated using:

plume cosa2stream \
    --target data/data/coreos/rhcos.json \
    --distro rhcos \
    --no-signatures \
    --name 4.18-9.4 \
    --url https://rhcos.mirror.openshift.com/art/storage/prod/streams \
    x86_64=418.94.202511191518-0 \
    aarch64=418.94.202511191518-0 \
    s390x=418.94.202511191518-0 \
    ppc64le=418.94.202511191518-0

[openshift-ci-robot]

@tlbueno: This pull request references Jira Issue OCPBUGS-65588, which is invalid:

• release note text must be set and not match the template OR release note type must be set to "Release Note Not Required". For more information you can reference the OpenShift Bug Process.
• expected dependent Jira Issue OCPBUGS-65587 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is Closed (Won't Do) instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

The changes done here will update the RHCOS 4.18 bootimage metadata and address the following issues:

• OCPBUGS-64613: [4.18] coreos-boot-disk link not working with multipath on early boot

This change was generated using:

plume cosa2stream \
   --target data/data/coreos/rhcos.json \
   --distro rhcos \
   --no-signatures \
   --name 4.18-9.4 \
   --url https://rhcos.mirror.openshift.com/art/storage/prod/streams \
   x86_64=418.94.202511191518-0 \
   aarch64=418.94.202511191518-0 \
   s390x=418.94.202511191518-0 \
   ppc64le=418.94.202511191518-0

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[tlbueno]

/test e2e-openstack-ovn

[tlbueno]

/test e2e-openstack-ovn

[jbtrystram]

/test e2e-openstack-ovn

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jbtrystram

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• data/data/coreos/OWNERS [jbtrystram]

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[sdodson]

/label jira/valid-bug backport-risk-assessed
/unlabel jira/invalid-bug

[tlbueno]

/test e2e-openstack-ovn

[sdodson]

/label jira/valid-bug backport-risk-assessed

[sdodson]

/lgtm
/verified by CI
/override ci/prow/e2e-openstack-ovn
Has not built or passed on any other PR today

[openshift-ci]

@sdodson: Overrode contexts on behalf of sdodson: ci/prow/e2e-openstack-ovn

In response to this:

/lgtm
/verified by CI
/override ci/prow/e2e-openstack-ovn
Has not built or passed on any other PR today

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[openshift-ci]

@tlbueno: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-openstack-ovn	d4714b7	link	true	/test e2e-openstack-ovn

Full PR test history. Your PR dashboard.

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[openshift-ci-robot]

@sdodson: This PR has been marked as verified by CI.

In response to this:

/lgtm
/verified by CI
/override ci/prow/e2e-openstack-ovn
Has not built or passed on any other PR today

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-ci-robot]

@tlbueno: Jira Issue Verification Checks: Jira Issue OCPBUGS-65588
✔️ This pull request was pre-merge verified.
✔️ All associated pull requests have merged.
✔️ All associated, merged pull requests were pre-merge verified.

Jira Issue OCPBUGS-65588 has been moved to the MODIFIED state and will move to the VERIFIED state when the change is available in an accepted nightly payload. 🕓

In response to this:

The changes done here will update the RHCOS 4.18 bootimage metadata and address the following issues:

• OCPBUGS-64613: [4.18] coreos-boot-disk link not working with multipath on early boot

This change was generated using:

plume cosa2stream \
   --target data/data/coreos/rhcos.json \
   --distro rhcos \
   --no-signatures \
   --name 4.18-9.4 \
   --url https://rhcos.mirror.openshift.com/art/storage/prod/streams \
   x86_64=418.94.202511191518-0 \
   aarch64=418.94.202511191518-0 \
   s390x=418.94.202511191518-0 \
   ppc64le=418.94.202511191518-0

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

[openshift-merge-robot]

Fix included in accepted release 4.18.0-0.nightly-2025-11-22-072148