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| Section | Objectives |
|---|---|
| Topic 1: ONTAP SAN Concepts | - Switch and host configuration concepts - Storage space utilization and management concepts - Data protection concepts - Storage controller configuration concepts |
| Topic 2: ONTAP SAN Implementation and Configuration | - Switch, host, data protection and storage management - NVMe configuration - Clustered storage systems and node configuration - iSCSI configuration - Fibre Channel Protocol (FCP) configuration - Storage Virtual Machine (SVM) configuration |
| Topic 3: ONTAP SAN Solution Assessment | - Solution design and hardware provisioning - Installation planning and configuration tools - Prerequisites and inventory for SAN components - Environmental and physical considerations |
| Topic 4: ONTAP SAN Implementation Testing and Troubleshooting | - Data migration tasks - Implementation validation and testing tasks - Connectivity and performance troubleshooting |
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NEW QUESTION # 29
Which NetApp ONTAP option enables automatic host-side space management for a LUN?
Answer: A
Explanation:
The space-allocation option enables ONTAP support for SCSI thin-provisioning functions and allows compatible SAN hosts to manage and reclaim unused LUN space. When space allocation is enabled, ONTAP can communicate storage-space conditions to the host and support host-initiated space reclamation through mechanisms such as SCSI UNMAP. NetApp specifically states that enabling space allocation allows SAN hosts to reclaim storage that is no longer being used. space-reserve controls whether physical capacity is reserved for the LUN but does not provide host-side reclamation. resize relates to changing storage size, and alua controls asymmetric path behavior rather than capacity management. Current ONTAP releases enable space allocation by default for many newly created SAN objects. Relevant SAN ONTAP topics include LUN thin provisioning, SCSI UNMAP, space reclamation, and LUN space-allocation configuration.
NEW QUESTION # 30
An administrator connects to a LUN from Node A to a host in a redundant pathing configuration.
How does the administrator show that the LUN delivers data if a node disruption occurs?
Answer: A
Explanation:
A controlled storage takeover and giveback is the appropriate method for validating HA behavior without deliberately creating uncontrolled infrastructure failures. NetApp recommends testing an HA pair after configuration to verify uninterrupted access to storage during takeover and giveback. During takeover, the surviving HA partner assumes responsibility for the affected node ' s storage and continues serving its data.
Host multipathing redirects SAN I/O through surviving paths. Giveback subsequently returns storage ownership and processing to the home node. Pulling cluster-interconnect cables, removing rack power, or disabling backend connectivity introduces unnecessary failure conditions and can affect more infrastructure than required for a controlled validation. Therefore, performing takeover and giveback on the nodes verifies both storage-controller failover and the host ' s redundant SAN path configuration.
NEW QUESTION # 31
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: D
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 # 32
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?
Answer: A
Explanation:
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
NEW QUESTION # 33
Which functionality enables a host subsystem to have multiple paths to a NetApp ONTAP NVMe namespace?
Answer: A
Explanation:
Asymmetric Namespace Access (ANA) is the NVMe mechanism used by ONTAP to provide multipath access to NVMe namespaces. NetApp documents that NVMe hosts use ANA for multipath high availability, whereas conventional FCP and iSCSI hosts use Asymmetric Logical Unit Access (ALUA). ANA enables the NVMe host to understand the accessibility and optimization state of each path to a namespace and select an appropriate path during normal operation or failover. An NQN is an NVMe Qualified Name used to identify hosts, subsystems, and controllers; it does not provide multipath functionality. IQN is associated with iSCSI, while ALUA applies to SCSI-based SAN protocols. Therefore, ANA is specifically responsible for NVMe namespace multipathing in ONTAP environments. Relevant SAN ONTAP topics include NVMe-oF, ANA, namespace access, host multipathing, and HA path management.
NEW QUESTION # 34
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