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| Section | Objectives |
|---|---|
| ONTAP SAN Implementation Testing and Troubleshooting | - Data migration tasks - Connectivity and performance troubleshooting - Implementation validation and testing tasks |
| ONTAP SAN Concepts | - Storage space utilization and management concepts - Switch and host configuration concepts - Storage controller configuration concepts - Data protection concepts |
| ONTAP SAN Implementation and Configuration | - Fibre Channel Protocol (FCP) configuration - Clustered storage systems and node configuration - NVMe configuration - iSCSI configuration - Switch, host, data protection and storage management - Storage Virtual Machine (SVM) configuration |
| ONTAP SAN Solution Assessment | - Installation planning and configuration tools - Prerequisites and inventory for SAN components - Environmental and physical considerations - Solution design and hardware provisioning |
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NEW QUESTION # 86
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: A,B
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 # 87
An administrator has a two-node NetApp ONTAP cluster that is hosting FC LUNs for 90 SAN hosts. The hosts are experiencing occasional performance problems and receiving QFULL responses from the cluster nodes.
Which action would resolve this issue?
Answer: D
Explanation:
A QFULL response indicates that the storage controller's FC target-port command queue has reached its supported capacity and cannot accept additional SCSI commands. With 90 hosts generating I/O, excessive fan- in to the existing target ports can exhaust available queue resources. Configuring additional FC target ports allows host connections and queued commands to be distributed across more storage-side target resources, reducing pressure on each individual target port. Increasing initiator queue depth would worsen the condition because hosts could submit more outstanding commands. Similarly, increasing target-port queue depth is not the appropriate administrator-controlled remedy presented here because the physical target adapter has defined queue limits. NetApp recommends planning host fan-in carefully to avoid QFULL conditions.
Relevant topics include FC queue depth, target-port fan-in, QFULL responses, SAN scalability, and FC target- port design
NEW QUESTION # 88
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?
Answer: D
Explanation:
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.
NEW QUESTION # 89
An administrator provisions several LUNs on a four-node NetApp AFF cluster using default settings. Each AFF node has four FC LIFs. The configuration is modified to limit the target paths to two LIFs per node.
Which NetApp ONTAP command will verify initiator group visibility for each LIF?
Answer: B
Explanation:
The configuration described is a portset use case. NetApp states that portsets can be bound to igroups to restrict which SAN LIFs an initiator can use to access mapped LUNs, which is especially useful when a node has more than two LIFs and access must be limited to a subset. The lun portset show command displays each portset together with its protocol, Port Names representing participating LIFs, and the igroups bound to that portset. That output directly verifies which igroup has visibility through which LIFs. lun mapping show primarily displays LUN-to-igroup mappings and SLM reporting nodes; it does not provide the same direct LIF membership view. Therefore, the supplied V9.02 answer D requires correction to C. Relevant SAN ONTAP topics are portsets, igroup binding, LIF path restriction, SLM, and SAN path visibility.
NEW QUESTION # 90
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 # 91
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