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| Section | Objectives |
|---|---|
| ONTAP SAN implementation testing and troubleshooting | - Troubleshooting tasks - Data migration - Testing tasks |
| ONTAP SAN Concepts | - Storage space utilization or management concepts - Data protection concepts - Storage controller configuration concepts - Switch and/or host configuration concepts |
| ONTAP SAN solution assessment | - Solution design and hardware provisioned to meet customer requirements or expectations - Environmental or physical considerations - Prerequisites and inventory for the installation of all SAN components during planning - Configuration components using tools |
| ONTAP SAN implementation and configuration | - Storage space utilization or management concepts - Clustered storage system FCP configuration tasks - Clustered storage system iSCSI configuration tasks - Data protection - SVM configuration tasks - Clustered storage system NVMe configuration tasks - Clustered storage systems and node configuration tasks - Switches and host systems |
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問題 #70
Which two steps must be taken first to restore a LUN from a SnapMirror Synchronous destination? (Choose two.)
答案：A,B
問題 #71
An SVM is created for FCP traffic. LUNs must be created to share with ESXi hosts for datastores. Which two items must be configured after the LUN is created, for this to happen? (Choose two.)
答案：A,C
解題說明：
For configuring LUNs to share with ESXi hosts for datastores in an SVM created for FCP traffic, the following steps are necessary after creating the LUN:
* Create an igroup with the ESXi hosts ' WWPNs: This step involves defining an initiator group that includes the WWPNs of the ESXi hosts that need access to the LUN.
* Map the LUNs to the igroup: This step assigns the LUN to the created igroup, allowing the ESXi hosts to access the LUN.
For further details, refer to:
* NetApp Documentation on LUN and igroup Configuration
問題 #72
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.)
答案：C,D
解題說明：
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
問題 #73
After a storage administrator creates a LUN using the CLI, the LUN does not appear on the corresponding host.
What should be done to correct this issue?
答案：B
解題說明：
A LUN created with the ONTAP CLI is not automatically visible to a host merely because the storage object exists. For FCP or iSCSI access, ONTAP must associate the LUN with an initiator group by creating a LUN mapping. NetApp's SAN provisioning workflow explicitly creates the LUN, creates or identifies the igroup containing the host initiators, and then maps the LUN to that igroup. The mapping assigns host access and a LUN ID that the initiator uses to discover the device. Bringing the LUN online does not grant host access, mounting a volume is not part of SAN LUN presentation, and export policies apply to NAS protocols rather than FCP/iSCSI LUN access. Relevant SAN ONTAP topics are LUN provisioning, igroups, LUN mapping, LUN IDs, and host discovery.
問題 #74
A four-node NetApp ONTAP SAN cluster has been deployed. After installation, the engineer wants to verify cabling.
Which NetApp tool should the engineer use?
答案：C
解題說明：
To verify the cabling of a four-node NetApp ONTAP SAN cluster after installation, the recommended tool is Active IQ Config Advisor. This tool provides detailed checks for proper configuration, including cabling verification, and helps ensure that best practices are followed for optimal performance and reliability.
For further details, see:
* NetApp Active IQ Config Advisor
問題 #75
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