NS0-185 Exam Dumps : NetApp Storage Installation Engineer - ONTAP Professional Exam

To verify failover in a two-node ONTAP configuration, you must confirm both cluster-level HA state (for two-node clusters) and storage failover state (takeover/giveback readiness) for the HA pair.

The commandcluster ha showis used to verify the cluster HA status, which is especially relevant in two-node clusters where cluster HA can affect whether services remain available when one node is halted/rebooted. ONTAP documentation notes behaviors specific to two-node clusters and cluster HA, including the importance of proper HA configuration to avoid both nodes stopping data service under certain halt/reboot conditions.

The commandstorage failover showis the primary command to verify HA pair readiness, showing takeover/giveback capability, partner connectivity, and status indicators needed to confirm that storage failover is configured correctly.

Option C (cluster ring show) is a cluster database/ring status diagnostic command; while it can be useful in troubleshooting quorum or RDB-related issues, it is not the standard command pair for verifying HA failover configuration correctness after installation. Option D (storage failover show-takeover) is not the common baseline verification command cited for confirming general failover configuration; it is more takeover-output oriented rather than providing the full readiness overview that storage failover show provides.

Therefore, the two commands that accomplish correct failover verification in this scenario areA. cluster ha showandB. storage failover show.

When adding new nodes to an existing ONTAP cluster, proper cabling to the cluster interconnect switches is mandatory. The cluster interconnect network is a dedicated, private network used exclusively for internal cluster communication such as configuration synchronization, data movement, and quorum maintenance.

In AFF A400 systems, the cluster interconnect ports are fixed high-speed Ethernet ports that are clearly identified and reserved for cluster connectivity. These ports are typically 25GbE or 40GbE depending on configuration and are grouped together physically on the controller chassis.

Referring to the exhibit, the ports labeled with number 2 correspond to the cluster interconnect ports. These are the only ports that must be connected to the cluster interconnect switches when adding nodes to an existing cluster. ONTAP requires that each node have redundant connections to both cluster switches to maintain high availability and cluster quorum.

Ports labeled as other numbers in the exhibit represent different functions, such as management ports, data ports, or shelf connectivity ports, none of which are valid for cluster interconnect cabling.

NetApp installation procedures emphasize that incorrectly cabling non-cluster ports to cluster switches can prevent nodes from joining the cluster or cause cluster instability. Therefore, identifying and using the correct cluster interconnect ports is a critical installation step.

As shown in the exhibit, number 2 clearly identifies the correct ports used to cable the new AFF A400 nodes into the existing cluster interconnect infrastructure.

Storage failover is acore ONTAP featureand does not require a separate license. As long as the hardware supports HA and the system is properly cabled and configured, storage failover is available by default.

Therefore,no license is required.