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EMC D-XTR-DY-A-24 Exam Syllabus Topics:

Topic	Details
Topic 1	Oracle and VDI deployment challenges, best practices, and considerations in XtremIO environments.
Topic 2	XtremIO X1 and X2 Initial Configuration: For storage system administrators and configuration specialists, this part of the exam covers XtremIO Management Server (XMS) installation options, requirements, and deployment considerations.
Topic 3	XtremIO X1 and X2 Installation: For storage implementation specialists and system integrators, this domain covers required documentation for installations, including document usage order, cabling requirements for single and multi-cluster setups, logical order of installation operations post-cabling, up to cluster format, and post-installation procedures and processes.

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EMC Dell XtremIO Deploy Achievement Sample Questions (Q52-Q57):

NEW QUESTION # 52
You are connecting a VMware cluster to an XtremlO array. The host will be connected to the array using QLogic Fibre Channel HBAs. Based on best practices, what is the recommended value for the Execution Throttle?

A. 0
B. 1
C. 2
D. 3

Answer: A

Explanation:
* Understanding Execution Throttle: The Execution Throttle setting controls the maximum number of concurrent I/O operations that can be sent from a host to a storage array. This setting is crucial for optimizing performance and preventing overloading of the storage array.
* QLogic Fibre Channel HBAs: QLogic Host Bus Adapters (HBAs) are used for connecting servers to Fibre Channel storage networks. The recommended settings for these HBAs can significantly impact the performance and reliability of the storage network.
* Best Practices for XtremIO and VMware:
* According to best practices for connecting VMware clusters to XtremIO arrays, especially when using QLogic Fibre Channel HBAs, the Execution Throttle value is set to optimize performance.
* The recommended value for the Execution Throttle setting for QLogic HBAs in a VMware environment connected to an XtremIO array is 65535. This value helps ensure that the host can handle a high number of I/O operations efficiently without overwhelming the storage array.
References:
* Dell XtremIO Best Practices Guide for VMware
* QLogic HBA Configuration and Performance Tuning Guides
* Dell XtremIO Deployment Services
* VMware and XtremIO Integration Documentation.

NEW QUESTION # 53
When using the XtremIO X2 XMS WebUl to create an iSCSI portal, where would an administrator navigate to start the configuration process?

A. Configuration
B. Cluster Settings
C. Hardware
D. Inventory

Answer: A

Explanation:
To create an iSCSI portal using the XtremIO X2 XMS WebUI, an administrator would start the configuration process in the "Configuration" section. Here's how the process typically unfolds:
Log into XMS WebUI: The administrator logs into the XtremIO Management Server (XMS) Web User Interface (WebUI).
Navigate to Configuration: Within the WebUI, the administrator navigates to the "Configuration" tab. This section contains settings and options for managing and configuring the storage array.
Access iSCSI Options: Under the "Configuration" tab, the administrator locates the options for iSCSI settings. This may involve expanding menus or selecting specific sub-options related to iSCSI.
Create iSCSI Portal: Once in the iSCSI settings area, the administrator can create a new iSCSI portal. This involves specifying details such as IP addresses, port numbers, and access controls.
Save and Apply: After entering all necessary information, the administrator saves the configuration and applies it to make the iSCSI portal active.
Verify Connectivity: Finally, the administrator verifies that the iSCSI portal is functioning correctly by connecting to it from an iSCSI initiator.
For detailed instructions and best practices, always refer to the official Dell XtremIO Deploy Achievement document1. This document provides comprehensive guidance on all aspects of setting up and managing XtremIO X2 arrays, including the creation of iSCSI portals.

NEW QUESTION # 54
In an XtremIO X2-R four X-Brick cluster, how many total rack units should be left for the Cable Management ducts?

A. 4U
B. 8U
C. 2U
D. 6U

Answer: A

Explanation:
For an XtremIO X2-R four X-Brick cluster, the total number of rack units that should be left for the Cable Management ducts (CMD) is 4U1. This is based on the specifications provided by Dell EMC, which indicate that the Cable Management ducts are optional and, when included, require 2U of rack space for a two-brick cluster. Therefore, for a four-brick cluster, it would be logical to double the space to 4U to accommodate the additional cabling and ensure proper cable management1.
The process for allocating space for CMDs involves:
Reviewing Specifications: Check the official XtremIO X2 specifications to determine the space requirements for CMDs.
Allocating Rack Space: Based on the specifications, allocate the necessary rack units for CMDs within the customer's rack.
Installing CMDs: Install the CMDs in the allocated space to manage the cables effectively.
Organizing Cables: Arrange and secure the cables within the CMDs to ensure a neat and organized cable layout.
Verifying Installation: Confirm that the CMDs are installed correctly and that all cables are managed properly without any strain or interference.

NEW QUESTION # 55
In a heterogeneous environment, what is a recommended setting when multiple storage arrays are connected to VMware vSphere in addition to XtremIO X2?

A. Disk.SchedQuantum = 64
B. fnic_max_qdepth = 128
C. Disk.SchedNumReqOustanding = 32
D. XCOPY = 256

Answer: C

Explanation:
In a heterogeneous environment where multiple storage arrays are connected to VMware vSphere along with XtremIO X2, it is recommended to set the Disk.SchedNumReqOustanding parameter to 32. This setting determines the maximum number of I/O operations that can be queued to the storage array. A value of 32 is often recommended to balance performance with resource utilization.
The Disk.SchedNumReqOustanding parameter is part of the VMware vSphere's advanced settings and can be adjusted to optimize the performance of the storage arrays connected to the ESXi hosts. The setting of 32 is a starting point and may need to be adjusted based on the specific workload and storage array capabilities1.

NEW QUESTION # 56
After completing the network configuration for all Storage Controllers, what is the next step in the installation process?

A. Install the XMS
B. Collect the log bundle
C. Check the cluster component connectivity
D. Upgrade the Storage Controllers' software

Answer: C

Explanation:
After completing the network configuration for all Storage Controllers in the XtremIO installation process, the next step is to check the cluster component connectivity. This step is crucial to ensure that all components within the cluster are communicating correctly and are ready for further configuration and use.
The process typically involves:
Verifying Network Settings: Confirm that the network settings applied to the Storage Controllers are correct and that they are on the correct network segments.
Testing Connectivity: Use network testing tools or the XtremIO Management Server (XMS) to test connectivity between the Storage Controllers and other cluster components such as X-Bricks and InfiniBand switches.
Checking Component Status: Review the status of all cluster components in the XMS to ensure they are operational and recognized by the system.
Resolving Connectivity Issues: If any connectivity issues are detected, troubleshoot and resolve them before proceeding with the installation process.
Documenting the Process: Keep a record of the connectivity checks and any actions taken to resolve issues as part of the installation documentation.

NEW QUESTION # 57
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