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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN Solution Assessment | - Solution design and hardware provisioning - Prerequisites and inventory for SAN components - Environmental and physical considerations - Installation planning and configuration tools |
| Topic 2: ONTAP SAN Concepts | - Storage controller configuration concepts - Storage space utilization and management concepts - Data protection concepts - Switch and host configuration concepts |
| Topic 3: ONTAP SAN Implementation and Configuration | - Clustered storage systems and node configuration - NVMe configuration - Fibre Channel Protocol (FCP) configuration - Switch, host, data protection and storage management - iSCSI configuration - Storage Virtual Machine (SVM) configuration |
| Topic 4: ONTAP SAN Implementation Testing and Troubleshooting | - Connectivity and performance troubleshooting - Implementation validation and testing tasks - Data migration tasks |
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NEW QUESTION # 91
A customer has a two-node NetApp ONTAP cluster that Is hosting FC LUNs for 64 SAN hosts. An administrator is tasked to add 40 more hosts to the environment.
What two actions would the administrator need to take to avoid potential performance problems with the environment? (Choose two.)
Answer: C,D
Explanation:
When adding 40 more hosts to a two-node NetApp ONTAP cluster that is already hosting 64 SAN hosts, the following actions are necessary to avoid potential performance problems:
* Configure additional FC target ports: Increasing the number of Fibre Channel (FC) target ports on the storage nodes will help distribute the I/O load more evenly, reducing the risk of bottlenecks.
* Configure additional SAN LIFs: Adding more SAN Logical Interfaces (LIFs) will ensure that the increased number of hosts can connect efficiently, improving load balancing and path management.
These actions help maintain optimal performance and prevent congestion in the SAN environment.
For more detailed guidance, refer to:
* NetApp SAN Host Configuration Overview
* NetApp Best Practices for SAN ( NetApp ) ( NetApp )
NEW QUESTION # 92
A customer wants a NetApp ONTAP All SAN Array (ASA) cluster set up with a redundant Ethernet configuration.
What needs to be configured to achieve this?
Answer: B
Explanation:
IP SAN redundancy requires independent storage paths between each host and both nodes of the HA pair.
NetApp SAN networking guidance recommends creating multiple iSCSI paths from each node and specifically allows two data LIFs per node to provide connectivity through separate Ethernet networks. These networks should use separate IP subnets or ranges so that loss of one network, switch, port, or path does not eliminate host access to the storage. Host-side MPIO then uses the remaining paths during a failure. A node- management LIF provides administrative connectivity and is not a redundant data path. Selective LUN Mapping controls which cluster nodes report a LUN, while separate SVMs are not required merely to create network redundancy. Therefore, at least two data LIFs per node across separate IP networks provide the requested redundant Ethernet SAN configuration.
NEW QUESTION # 93
An administrator connects to a LUN from Node A to a host in a redundant pathing configuration.
How does the administrator show that the LUN delivers data if a node disruption occurs?
Answer: D
Explanation:
A controlled storage takeover and giveback is the appropriate method for validating HA behavior without deliberately creating uncontrolled infrastructure failures. NetApp recommends testing an HA pair after configuration to verify uninterrupted access to storage during takeover and giveback. During takeover, the surviving HA partner assumes responsibility for the affected node ' s storage and continues serving its data.
Host multipathing redirects SAN I/O through surviving paths. Giveback subsequently returns storage ownership and processing to the home node. Pulling cluster-interconnect cables, removing rack power, or disabling backend connectivity introduces unnecessary failure conditions and can affect more infrastructure than required for a controlled validation. Therefore, performing takeover and giveback on the nodes verifies both storage-controller failover and the host ' s redundant SAN path configuration.
NEW QUESTION # 94
What is the maximum size for a LUN in NetApp ONTAP 9.14.1 software?
Answer: D
Explanation:
In NetApp ONTAP 9.14.1 software, the maximum size for a LUN is 128TiB. This limit ensures that large datasets can be stored and managed efficiently within a single LUN, catering to the needs of high-capacity SAN environments
NEW QUESTION # 95
A customer has a new eight-node NetApp AFF cluster that will serve NVMe/TCP namespaces to clients.
Bidirectional in-band authentication is required between all NVMe hosts and the AFF cluster.
Which NetApp ONTAP feature must be configured to meet the requirement?
Answer: B
Explanation:
DH-HMAC-CHAP is the ONTAP mechanism for secure in-band NVMe authentication. NetApp documents that ONTAP supports both unidirectional and bidirectional authentication for NVMe/TCP and NVMe/FC by using DH-HMAC-CHAP. For bidirectional mode, a host secret and a controller secret are configured so that the controller authenticates the NVMe host and the host also authenticates the controller. The authentication configuration is associated with the NVMe subsystem host by its NQN. SAML, Kerberos, and an Active Directory domain tunnel are not NVMe transport authentication mechanisms and therefore do not satisfy this requirement. In current ONTAP releases, DH-HMAC-CHAP can be configured through System Manager or the CLI, depending on release. Relevant SAN ONTAP topics are NVMe subsystem host configuration, secure in-band authentication, host/controller secrets, and NVMe/TCP security.
NEW QUESTION # 96
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