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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN solution assessment | - Configuration components using tools - Environmental or physical considerations - Solution design and hardware provisioned to meet customer requirements or expectations - Prerequisites and inventory for the installation of all SAN components during planning |
| Topic 2: ONTAP SAN implementation testing and troubleshooting | - Troubleshooting tasks - Testing tasks - Data migration |
| Topic 3: ONTAP SAN implementation and configuration | - Storage space utilization or management concepts - Switches and host systems - SVM configuration tasks - Clustered storage system iSCSI configuration tasks - Clustered storage system NVMe configuration tasks - Clustered storage system FCP configuration tasks - Clustered storage systems and node configuration tasks - Data protection |
| Topic 4: ONTAP SAN Concepts | - Switch and host configuration concepts - Data protection concepts - Storage space utilization or management concepts - Storage controller configuration concepts |
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93. Frage
A customer opens a support case for performance issues with an FC Oracle database after migrating from a NetApp AFF system to a NetApp All SAN Array (ASA) platform. Further investigation shows that the number of paths exceeds the recommendation for SAN deployment.
What are two ways to address this problem? (Choose two.)
Antwort: C,D
Begründung:
When the number of paths exceeds the recommended configuration for SAN deployment, it can cause performance issues. To address this problem, you can:
* Use Selective LUN Mapping (SLM): SLM allows you to control which LIFs (Logical Interfaces) are used to access specific LUNs, thus reducing the number of paths and potentially improving performance by aligning with best practice configurations.
* Reconfigure the fabric switch zoning: Adjusting the zoning on the fabric switches can help manage and optimize the number of paths, ensuring that there are not too many paths that could lead to inefficient I
/O operations and performance degradation.
For more details, refer to:
* NetApp SAN Host Configuration
* NetApp Best Practices for SAN
94. Frage
What are two required components for a NetApp AFF All SAN Array (ASA) A800 MetroCluster IP with automated switchover? (Choose two.)
Antwort: B,C
Begründung:
MetroCluster IP uses an IP-based backend infrastructure and supported Ethernet switches rather than the FC switching and FibreBridge architecture associated with MetroCluster FC configurations. The ASA A800 is supported in MetroCluster IP configurations, including deployments using supported Cisco IP switches. For automated unplanned switchover, ONTAP Mediator provides the independent quorum/state mechanism used by MetroCluster IP nodes to determine whether an automatic switchover should occur. NetApp describes Mediator-assisted automatic unplanned switchover (MAUSO) as the MetroCluster IP capability that can initiate switchover following qualifying failures, including complete site failure. ATTO FibreBridge devices and FC switches belong to FC-based MetroCluster topologies and are not the required IP components in this scenario. Consequently, the required choices are Ethernet switches and ONTAP Mediator.
95. Frage
During an iSCSI deployment, the customer requests a change of front-end network connections on the NetApp ONTAP cluster from twinax cables to fiber-optic cables.
Which two NetApp tools would an administrator use to verify the supported port speeds and transceivers?
(Choose two.)
Antwort: A,C
Begründung:
During an iSCSI deployment, if a customer requests a change from twinax cables to fiber-optic cables, two NetApp tools can be used to verify the supported port speeds and transceivers:
* Hardware Universe (HWU): This tool is essential for determining the supported transceivers and port speeds for NetApp hardware. It provides detailed information on hardware compatibility, including supported transceivers, cables, and port speeds, which helps ensure that the selected components are compatible with the NetApp storage system.
* Interoperability Matrix Tool (IMT): The IMT provides comprehensive compatibility information between NetApp products and third-party components. It includes details on supported transceivers and port speeds, ensuring that any changes made to the network connections are supported and will function correctly in the given configuration.
For more detailed information, you can refer to the following resources:
* NetApp Hardware Universe ( NetApp ).
* NetApp Interoperability Matrix Tool ( NetApp ).
96. Frage
An administrator creates a new volume and a LUN for an SAN-connected application that uses snapshots.
The application has fast-growing data that is constantly being populated and deleted afterwards.
Which option can be set to manage the space automatically?
Antwort: A
Begründung:
To manage space automatically for a volume containing a LUN with fast-growing data, enabling automatic resizing on the volume is recommended. This feature allows the volume to grow dynamically as needed, accommodating the fluctuating data size without manual intervention. This helps in managing storage efficiently and ensures that the application has the required space.
For further details, refer to:
* NetApp Documentation on Volume Management
* NetApp Community Discussion on Automatic Resizing
97. Frage
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.)
Antwort: C,D
Begründung:
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 )
98. Frage
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