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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN implementation testing and troubleshooting | - Data migration - Testing tasks - Troubleshooting tasks |
| Topic 2: ONTAP SAN implementation and configuration | - Clustered storage system NVMe configuration tasks - SVM configuration tasks - Storage space utilization or management concepts - Data protection - Clustered storage systems and node configuration tasks - Clustered storage system FCP configuration tasks - Switches and host systems - Clustered storage system iSCSI configuration tasks |
| Topic 3: ONTAP SAN solution assessment | - Solution design and hardware provisioned to meet customer requirements or expectations - Configuration components using tools - Prerequisites and inventory for the installation of all SAN components during planning - Environmental or physical considerations |
| Topic 4: ONTAP SAN Concepts | - Switch and/or host configuration concepts - Storage space utilization or management concepts - Storage controller configuration concepts - Data protection concepts |
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108. Frage
A customer has demanding database servers that require larger I/O queue counts and queue depths.
What should be done to increase these parameters for certain hosts?
Antwort: D
Begründung:
Adding the selected hosts to the NVMe subsystem with high priority is the correct method because ONTAP host priority controls the NVMe I/O queue resources assigned to a host. NetApp's NVMe subsystem model defines the host priority setting as allocating appropriate I/O queue counts and queue depths for the host to submit I/O commands. Therefore, demanding database hosts that require larger queue counts and deeper queues should receive the higher host-priority setting rather than changing a volume QoS policy. QoS governs workload throughput or performance limits and does not directly redefine the NVMe host submission-queue count and depth. Likewise, queue depth is not configured on an individual namespace in the manner described by option D. Relevant SAN ONTAP topics are NVMe subsystems, host priority, I/O queue count, I/O queue depth, and host performance configuration.
109. 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: A,C
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
110. Frage
A customer has a two-node NetApp AFF ASA cluster in an environment with a Cisco Fibre Channel SAN and Cisco UCS Servers. The customer wants to upgrade the UCS Server BIOS and the Cisco NX-OS system running on the switches.
Which NetApp resource should be consulted to check compatibility with the new versions?
Antwort: A
Begründung:
When planning to upgrade the UCS Server BIOS and Cisco NX-OS system running on the switches in a NetApp AFF ASA cluster environment, the Interoperability Matrix Tool (IMT) is the recommended resource to check compatibility with the new versions. The IMT provides detailed compatibility information for various hardware and software components, ensuring that the planned upgrades will not cause any interoperability issues.
For further details, refer to:
* NetApp Interoperability Matrix Tool
111. Frage
Click the Exhibit button.
A customer is testing a newly installed NetApp AFF A400 all-flash HA storage system. An SVM for FCP with a LUN on Node 1 has been configured, and a server has been connected as shown in the exhibit. For testing, the engineer plans to do a storage failover of Node 1.
After the failover, what is the expected status of the marked path?
Antwort: C
Begründung:
In the scenario where a storage failover is performed on Node 1 in an HA pair, the path marked in the exhibit would become Active/Nonoptimized. After the failover, the LIFs from Node 1 that were active and optimized will switch to Node 2. Paths that were previously optimized will become nonoptimized because they are now served through the partner node.
For more details, see:
* NetApp Documentation on ALUA
112. Frage
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.)
Antwort: A,B
Begründung:
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
113. Frage
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