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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN implementation testing and troubleshooting | - Data migration - Testing tasks - Troubleshooting tasks |
| Topic 2: ONTAP SAN Concepts | - Switch and host configuration concepts - Storage controller configuration concepts - Storage space utilization or management concepts - Data protection concepts |
| Topic 3: ONTAP SAN solution assessment | - Configuration components using tools - Solution design and hardware provisioned to meet customer requirements or expectations - Environmental or physical considerations - Prerequisites and inventory for the installation of all SAN components during planning |
| Topic 4: ONTAP SAN implementation and configuration | - Switches and host systems - Data protection - Clustered storage systems and node configuration tasks - Storage space utilization or management concepts - Clustered storage system FCP configuration tasks - Clustered storage system iSCSI configuration tasks - SVM configuration tasks - Clustered storage system NVMe configuration tasks |
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NEW QUESTION # 108
A LUN Is displaying 90% used space in the NetApp ONTAP CLI, but a Windows Server shows only 10% used space.
What is the first step to take to address this issue?
Answer: B
Explanation:
When a LUN shows 90% used space in the NetApp ONTAP CLI but a Windows Server shows only 10% used space, the discrepancy is often due to how space allocation is handled between the two systems.
Enabling space allocation ensures that the ONTAP system accurately reflects the actual space usage as reported by the host system, in this case, the Windows Server. This adjustment allows ONTAP to reclaim and manage space more effectively, aligning the reported usage between the ONTAP system and the host.
For more information, refer to:
* NetApp Community Discussion on Space Allocation
* NetApp Documentation on Space Usage
NEW QUESTION # 109
A customer deploys an SVM for FCP with four LIFs across two fabrics. Equal client traffic is seen across all four LIFs.
In this scenario, how is the traffic across the active, unoptimized paths forwarded to the node hosting the LUN?
Answer: D
Explanation:
In a traditional AFF or FAS SAN configuration using ALUA, paths through the controller that owns the LUN are reported as Active/Optimized. Paths entering through another controller can be Active/Non-Optimized.
When I/O arrives through an active, non-optimized path, ONTAP must forward that I/O internally to the node servicing the LUN. This indirect data path uses the ONTAP cluster interconnect, represented in the choices as the cluster network, and therefore introduces additional latency compared with a direct optimized path. The external FC fabric transports traffic only as far as the target LIF; the HA interconnect is associated primarily with HA-pair storage failover functions, and the peering network is used for intercluster communications and replication. Relevant SAN ONTAP topics include ALUA, optimized versus non-optimized paths, cluster interconnect forwarding, SLM, and FCP multipathing.
NEW QUESTION # 110
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.)
Answer: A,D
Explanation:
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
NEW QUESTION # 111
An administrator needs to configure Foreign LUN Import on a NetApp HA pair to migrate over FCP LUNs from a third-party array while serving other LUNs.
Which two actions are required to complete this task? (Choose two.)
Answer: B,D
Explanation:
To configure Foreign LUN Import (FLI) on a NetApp HA pair to migrate over FCP LUNs from a third-party array while serving other LUNs, the following actions are required:
* Create zoning from the third-party array to the cluster: Proper zoning ensures that the NetApp cluster can communicate with the third-party storage array.
* Convert a single FC port on each controller to an FC initiator port: This is necessary for the NetApp system to initiate the connection and access the LUNs on the third-party array.
For more information, refer to:
* NetApp Documentation on Foreign LUN Import
NEW QUESTION # 112
A NetApp FC SVM and six clients have been attached to a redundant pair of Cisco fabric switches. Each NetApp controller and client has one connection to each switch.
What are two ways to verify that all client paths are connecting to the NetApp FC SVM? (Choose two.)
Answer: A,C
Explanation:
Verification should confirm actual FC logins at both the fabric and ONTAP layers. On Cisco switches, show flogi database displays devices that have successfully completed Fabric Login, enabling the engineer to confirm host and storage WWPN presence within the fabric. On ONTAP, vserver fcp initiator show displays FCP initiators that are currently logged in and identifies their associated SVM, LIF, WWPN, and igroup information. Together, these commands validate end-to-end client connectivity. show zoneset active confirms the currently activated zoning configuration but does not prove that every initiator has successfully logged in.
vserver fcp portname show concerns target port-name information rather than currently connected initiators.
Relevant SAN ONTAP topics include FLOGI, FC logins, initiator WWPNs, FCP LIFs, zoning validation, and redundant fabric troubleshooting.
NEW QUESTION # 113
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