Werk #20148: netapp_ontap_if: Support the sfo_partners_only failover policy

Component	Checks & agents
Title	netapp_ontap_if: Support the sfo_partners_only failover policy
Date	Jul 27, 2026
Level	Trivial Change
Class	New Feature
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	3.0.0b1 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.5.0p11 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.4.0p36 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.3.0p50 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

Interfaces (LIFs) of NetApp ONTAP systems using the failover policy sfo_partners_only were reported as UNKNOWN with the summary Failover policy: sfo-partner-only, because the policy was not handled by the check. No failover group was determined for those interfaces either.

The policy is now supported:

• The failover policy itself is reported as OK.
• The failover group is built from the ports of the home node and its HA (storage failover) partner nodes within the same broadcast domain. Ports on other nodes are no longer part of the reported failover group.
• If the port of such an interface has no broadcast domain assigned, no failover group is reported. Unlike for the other broadcast-domain based policies, this is not treated as an error, since sfo_partners_only is restricted to the HA pair anyway.

The names of the HA partner nodes are not part of the interface data returned by the ONTAP REST API. The special agent therefore performs an additional node query to resolve them, but only if at least one interface actually uses the sfo_partners_only policy.

Affected services return to OK with the next check cycle.

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