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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN Implementation Testing and Troubleshooting | - Implementation validation and testing tasks - Data migration tasks - Connectivity and performance troubleshooting |
| Topic 2: ONTAP SAN Solution Assessment | - Prerequisites and inventory for SAN components - Installation planning and configuration tools - Environmental and physical considerations - Solution design and hardware provisioning |
| Topic 3: ONTAP SAN Concepts | - Storage controller configuration concepts - Data protection concepts - Storage space utilization and management concepts - Switch and host configuration concepts |
| Topic 4: ONTAP SAN Implementation and Configuration | - Storage Virtual Machine (SVM) configuration - NVMe configuration - Switch, host, data protection and storage management - Clustered storage systems and node configuration - Fibre Channel Protocol (FCP) configuration - iSCSI configuration |
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NEW QUESTION # 56
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 # 57
A customer uses several node types in their SAN environment. They want to migrate iSCSI LIFs without disruption.
Which command can achieve this?
Answer: D
Explanation:
ONTAP supports iSCSI LIF migration between nodes specifically on All-Flash SAN Array (ASA) platforms running ONTAP 9.11.1 or later. The migration is restricted to ports on the LIF's home node or its HA partner, and the applicable CLI operation is network interface migrate. Standard AFF and FAS configurations do not provide the same cross-node iSCSI LIF migration capability described in this scenario. For those systems, an iSCSI LIF normally must be created on the required destination node rather than migrated between nodes.
The ucadmin modify command changes unified adapter personality and is unrelated to LIF migration.
Therefore, option D correctly combines the supported ASA platform with the appropriate ONTAP command.
Relevant topics include ASA SAN networking, iSCSI LIF mobility, HA partners, LIF migration, and nondisruptive SAN operations.
NEW QUESTION # 58
A storage administrator has just completed an ISCSI implementation in a customer environment running VMware and needs to validate that the entire network path supports jumbo frames.
Which action should be taken?
Answer: D
Explanation:
To validate that the entire network path supports jumbo frames after an iSCSI implementation, you should perform a ping test from the host with fragmentation. This involves using the ping command with specific options to test jumbo frame support:
ping -M do -s 8972 < target_IP >
In this command:
* -M do ensures the packets are not fragmented.
* -s 8972 sets the packet size to 8972 bytes (9000 bytes MTU minus 28 bytes for the ICMP header).
By confirming that the large packets are successfully transmitted without fragmentation, you can validate that the network path, including switches and adapters, supports jumbo frames.
For more details, you can check:
* NetApp Documentation - iSCSI Configuration and Best Practices ( NetApp ) ( NetApp ).
NEW QUESTION # 59
A customer has recently installed a new NetApp AFF system and Cisco Nexus 9000 Series switches for their SAN workload. The administrator is tasked with configuring interface groups for port-based load balancing.
Which two commands are required? (Choose two.)
Answer: A,C
Explanation:
ONTAP interface groups support several traffic-distribution algorithms, including port, which distributes traffic using transport-layer TCP or UDP port information. Therefore, network port ifgrp create -distr-func port establishes the corresponding ONTAP-side distribution behavior. The connected Cisco Nexus infrastructure should use a compatible port-channel hashing method; NetApp validated architectures show port-channel load-balance src-dst l4port for Nexus switches so source and destination Layer-4 ports contribute to traffic distribution. This improves utilization across member links compared with algorithms using fewer flow attributes. The original V9.02 text contained the typographical string 14port; the correct command parameter is l4port, meaning Layer 4 port. Options C and D do not establish the requested port-based load- balancing algorithm. Relevant SAN ONTAP topics include interface groups, port distribution functions, link aggregation, and Nexus port-channel hashing.
NEW QUESTION # 60
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 # 61
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