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| Section | Objectives |
|---|---|
| ONTAP SAN solution assessment | - Prerequisites and inventory for the installation of all SAN components during planning - Configuration components using tools - Solution design and hardware provisioned to meet customer requirements or expectations - Environmental or physical considerations |
| ONTAP SAN implementation and configuration | - Switches and host systems - Clustered storage systems and node configuration tasks - Storage space utilization or management concepts - Clustered storage system NVMe configuration tasks - Clustered storage system FCP configuration tasks - SVM configuration tasks - Data protection - Clustered storage system iSCSI configuration tasks |
| ONTAP SAN Concepts | - Storage space utilization or management concepts - Switch and/or host configuration concepts - Storage controller configuration concepts - Data protection concepts |
| ONTAP SAN implementation testing and troubleshooting | - Troubleshooting tasks - Testing tasks - Data migration |
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NEW QUESTION # 11
A customer is migrating FC-mounted VMFS datastores using SnapMirror from their existing NetApp ONTAP cluster to their new ONTAP cluster.
After breaking the SnapMirror relationship on the destination cluster, what does the customer need to do before mapping the LUN to the VMware hosts?
Answer: D
Explanation:
For an FC-attached VMware VMFS datastore migrated through SnapMirror, maintaining the expected LUN identity is critical when presenting the replicated LUN from the destination cluster. VMware uses persistent SCSI device identifiers associated with the LUN, including its serial-based identity, when recognizing an existing VMFS device. ONTAP provides the lun modify -serial capability specifically to modify a LUN serial number. Therefore, after the SnapMirror destination is made writable, the destination LUN ' s serial number must be configured appropriately before the LUN is mapped back to the VMware initiators. Creating a FlexClone, restoring from a Snapshot copy, or changing the LUN OS type does not address device identity.
Relevant SAN ONTAP topics include SnapMirror SAN migration, LUN identity, LUN serial numbers, VMware VMFS, and LUN mapping.
NEW QUESTION # 12
A storage engineer maintains a NetApp cluster provisioned to provide FC LUNs to an ESXi host. There is no documentation describing how the environment or its components are configured, from initiators to targets.
In this scenario, which NetApp tool can be used to gather a comprehensive inventory of components from end to end?
Answer: D
Explanation:
Active IQ OneCollect is the appropriate discovery tool when the engineer needs an end-to-end inventory of a SAN environment. NetApp describes OneCollect as a structured data-collection utility that gathers information across storage systems, hosts, fabrics, and switches. That scope is specifically useful when existing documentation is missing and the engineer must understand initiators, HBAs, zoning or fabric details, host configuration, and storage targets before remediation or migration work. Upgrade Advisor is intended for ONTAP upgrade planning, while Unified Manager focuses on monitoring and management rather than broad discovery collection. Config Advisor validates configuration and cabling against supported practices, but it is not the primary end-to-end inventory collector described in this scenario. Relevant SAN ONTAP topics are SAN discovery, OneCollect data collection, host and fabric inventory, configuration assessment, and implementation documentation.
NEW QUESTION # 13
A customer is using a new two-node NetApp All SAN Array (ASA) configuration with SnapMirror active sync. To verify that everything is set up correctly, the customer is reviewing the number of paths on the ESXi hosts.
How many paths should the customer see?
Answer: C
Explanation:
Eight Active/Optimized paths and zero Active/Unoptimized paths is the correct result for the described ASA configuration. NetApp All SAN Array systems use symmetric active-active multipathing, under which all valid paths to a LUN are presented as active and optimized. NetApp's VMware guidance likewise states that ESXi recognizes ASA storage as symmetric and uses the active paths with round-robin multipathing. With SnapMirror active sync and the host connected through the intended redundant paths, the expected path presentation therefore does not contain the Active/Unoptimized paths characteristic of asymmetric access on non-ASA configurations. The key distinction is that ASA pathing is designed to avoid waiting for an ALUA transition after a controller failure. Relevant SAN ONTAP topics are ASA symmetric active-active, ALUA, ESXi multipathing, SnapMirror active sync, and redundant SAN paths.
NEW QUESTION # 14
A storage administrator recently implemented ISCSI SAN in a customer environment. Which two actions should be done to ensure the best performance? (Choose two.)
Answer: B,C
Explanation:
To ensure the best performance in an iSCSI SAN implementation:
* Connect host and storage ports to the same switches: This minimizes latency and maximizes the efficiency of data paths by ensuring direct connections within the same network segment.
* Configure Jumbo frames in the entire data path: Setting a larger Maximum Transmission Unit (MTU) size reduces the overhead for processing each packet, thus improving overall network performance.
Ensuring Jumbo frames are configured end-to-end in the data path is crucial for optimal performance.
For further details, check:
* NetApp Best Practices for iSCSI
* NetApp Community Discussion on iSCSI Performance
NEW QUESTION # 15
A storage engineer zones a new FCP SVM to an SQL cluster.
Which two commands can be used to check connectivity? (Choose two.)
Answer: B,C
Explanation:
ONTAP provides dedicated FCP connectivity tests for validating communication between host initiators and FC LIFs. The vserver fcp ping-igroup show command performs a connectivity check between FCP initiators contained in an igroup and the FCP LIFs through which those initiators are configured to connect. The vserver fcp ping-initiator show command performs the equivalent validation for an individual FC initiator. These commands are therefore appropriate after zoning a new FCP SVM to SQL hosts. cluster ping-cluster validates ONTAP ' s internal cluster network and is unrelated to host-to-storage FC connectivity. network fcp zone show displays discovered FC zoning information but is not the specific FCP initiator connectivity test requested. Relevant SAN ONTAP topics include FC zoning validation, igroups, WWPN connectivity, FCP LIFs, and SAN troubleshooting commands.
NEW QUESTION # 16
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