Question 1

What is the impact of a serial cable failure in a multi X-Brick XtremIO X1 cluster?

Accepted Answer

A

Explanation: In a multi X-Brick XtremIO X1 cluster, the failure of more than half of the COM (communication) cables forces the cluster into a degraded mode. This degraded mode is a protective measure to ensure that the cluster can continue operating with reduced performance and redundancy until the issues with the COM cables are resolved. Reference: Dell XtremIO Hardware Maintenance Guide.

Question 2

If an XtremlO X2 array experiences a power failure, which components will protect the journal data?

Accepted Answer

C

Explanation: In the event of a power failure, the XtremIO X2 array is designed to protect the journal data using a combination of Supercapacitor and NVRAM. The NVRAM (Non-Volatile Random Access Memory) ensures that the data remains intact without power, while the supercapacitor provides the necessary energy to maintain the power to the NVRAM during the outage. This design allows the XtremIO X2 array to preserve the integrity of the journal data until normal power can be restored1. =========================

Question 3

A customer has decided to deploy a virtual XMS server. Which file name extension does the template use to deploy the server?

Accepted Answer

B

Explanation: When deploying a virtual XtremIO Management Server (XMS), the template uses the file name extension .ova. This is a standard format for virtual appliances, which are pre-configured virtual machines that can be imported and run on various virtualization platforms. The .ova file extension stands for Open Virtual Appliance (or Application) and is typically used for packaging and distributing software to be run in virtual machines1. The deployment process using an .ova file typically involves the following steps: Download the .ova file from the official source or portal. Import the .ova file into the virtualization platform (such as VMware vSphere or Oracle VM VirtualBox). Follow the prompts to configure the virtual machine settings as needed. Once the import is complete, power on the virtual machine to begin the initial setup and configuration of the virtual XMS server. This information is consistent with the practices outlined in the Official Dell XtremIO Maintenance Achievement document, ensuring that the deployment of the virtual XMS server aligns with Dell’s recommended procedures2.

Question 4

Which type of InfiniBand switch is used in a multi-brick XtremIO X2-R array?

Accepted Answer

A

Explanation: In a multi-brick XtremIO X2-R array, a 36 port InfiniBand switch is used. This type of switch provides the necessary number of ports to accommodate the connectivity requirements of a multi-brick configuration, ensuring high-speed data transfer and communication between the bricks and other components of the storage array1. The InfiniBand switch plays a crucial role in the XtremIO X2-R’s architecture, as it allows for the interconnection of multiple bricks, which collectively contribute to the array’s performance and scalability. The 36 port switch ensures that there are enough ports available for current use and potential future expansion1.

Question 5

What is recommended for uploading the XtremApp to the XMS?

Accepted Answer

C

Explanation: For uploading the XtremApp to the XtremIO Management Server (XMS), the recommended tool is WinSCP. WinSCP is a popular SFTP client and FTP client for Microsoft Windows that allows for secure file transfer between a local and a remote computer1. It is particularly useful for uploading files like XtremApp due to its graphical user interface, which simplifies the process of transferring files. The steps for uploading the XtremApp to the XMS using WinSCP are as follows: Download and install WinSCP on your local machine. Open WinSCP and enter the XMS’s hostname or IP address, as well as the username and password. Navigate to the XtremApp file on your local machine within the WinSCP interface. Drag and drop the XtremApp file to the desired directory on the XMS. Verify that the upload was successful by checking the file size and timestamp on the XMS. This method is recommended in the Official Dell XtremIO Maintenance Achievement document as it provides a secure and reliable way to manage files on the XMS1. =========================

Question 6

On an XtremlO X2-S, which ports are used on the InfiniBand switches for an ISL connection?

Accepted Answer

A

Explanation: For an XtremIO X2-S, the ports used on the InfiniBand switches for an Inter-Switch Link (ISL) connection are typically high-numbered ports, which are usually at the end of the port range on the switch. While the specific port numbers can vary depending on the switch model and configuration, ports 35 and 36 are commonly used for ISL connections in many configurations1. The process to identify the ISL ports is as follows: Access the InfiniBand switch via the management interface. Use the appropriate command to list the port configuration (this command can vary based on the switch’s firmware). Identify the ports configured for ISL, which will be indicated in the port configuration settings. It’s important to refer to the official Dell XtremIO Maintenance Achievement document or the InfiniBand switch documentation for the exact port numbers as they can differ based on the switch model and the cluster configuration1.

Question 7

Refer to the exhibit. https://kxbjsyuhceggsyvxdkof.supabase.co/storage/v1/object/public/file-images/Dell_D-XTR-MN-A-24/page_15_img_1.jpg Based on the exhibit, which ports are used for FC2 and iSCSI1 connections on an XtremIO X1?

Accepted Answer

A

Explanation: Based on the provided exhibit, ports "b" and "d" are used for FC2 (Fibre Channel 2) and iSCSI1 connections on an XtremIO X1. These ports are designated for specific connection types to ensure optimal performance and correct configuration of the storage network. Reference: Dell XtremIO Configuration Guide and Port Mapping Documentation.

Question 8

In a multi X-brick cluster, what happens when both DAE Controllers in a single X-Brick fail?

Accepted Answer

B

Explanation: In a multi X-brick cluster, each X-brick consists of multiple Disk Array Enclosures (DAEs) that work together to provide storage and data redundancy. If both DAE controllers in a single X-Brick fail, the impact is localized to the LUNs (Logical Unit Numbers) that store data on that particular DAE. The entire cluster does not shut down; rather, only the data on the affected DAE becomes unavailable. This design ensures that the rest of the cluster continues to operate normally, albeit with potential performance degradation depending on the data distribution and workload. Reference: [Dell EMC XtremIO Architecture Guide]

Question 9

DRAG DROP What is the correct sequence of steps to perform a planned shutdown of an XtremIO X2? .

Accepted Answer

Explanation: Verify no host I/O: Ensure that there are no active I/O operations from the hosts connected to the XtremIO array. This is crucial to avoid data loss or corruption. Verify the cluster PSNT and health: Check the Primary Serial Number Tag (PSNT) and the health status of the cluster to ensure everything is functioning properly before proceeding with the shutdown. Disable notifications: Temporarily disable any notifications to avoid unnecessary alerts during the shutdown process. Stop the cluster service: Gracefully stop the cluster service to ensure that all processes and services are properly terminated. Power off the hardware: Finally, power off the hardware to complete the planned shutdown of the XtremIO X2. Reference: [Dell EMC XtremIO X2 Planned Shutdown Procedure] Below is the sequence arranged correctly as per the steps: Verify no host I/O Verify the cluster PSNT and health Disable notifications Stop the cluster service Power off the hardware

Question 10

DRAG DROP From bottom to top, what is the correct racking order of the first four components to expand an XtremlO X1 configuration from a dual X-Brick to a quad X-Brick?

Accepted Answer

Explanation: The correct racking order from bottom to top to expand an XtremIO X1 configuration from a dual X- Brick to a quad X-Brick is as follows: X3-SC1 X3-DAE X3-BBU X3-SC2 As per the image provided, which appears to be a list or part of a document detailing the steps for racking components, the order listed for expanding an XtremIO X1 configuration is: Begin with the bottom component, which is ‘X3-SC1’ (Storage Controller 1). Above ‘X3-SC1’, install ‘X3-DAE’ (Disk Array Enclosure). Next, install ‘X3-BBU’ (Battery Backup Unit) above ‘X3-DAE’. Finally, at the top, place ‘X3-SC2’ (Storage Controller 2). This order ensures that the heavier components are at the bottom for stability and likely follows Dell’s official guidelines for proper airflow and cable management within the rack1. =========================

Question 11

DRAG DROP What is the correct sequence of steps to power up an XtremlO X1 cluster after an emergency shutdown? .

Accepted Answer

Explanation: The correct sequence of steps to power up an XtremIO X1 cluster after an emergency shutdown is as follows: Determine the cause of the shutdown Power up the Battery Backup Units Power up the XMS Power up the Storage Controllers Start the cluster Detailed Explanation with Reference: Determine the cause of the shutdown: Before powering up the system, it is essential to understand why the emergency shutdown occurred to prevent reoccurrence. Power up the Battery Backup Units: The BBUs provide the necessary power to the storage controllers during power-up. Power up the XMS: The XtremIO Management Server must be powered up to manage and monitor the storage system. Power up the Storage Controllers: Once the BBUs and XMS are operational, power up the storage controllers. Start the cluster: Finally, start the cluster to bring the XtremIO system back online and resume normal operations. Reference: Dell XtremIO Power Up Procedures.

Question 12

DRAG DROP What is the correct order in which the XtremlO X1 cluster components should be powered on for the first time? .

Accepted Answer

Explanation: The correct order in which the XtremIO X1 cluster components should be powered on for the first time is: PDU (Power Distribution Unit) BBUs (Battery Backup Units) XMS (XtremIO Management Server) Storage Controllers Detailed Explanation with Reference: PDU (Power Distribution Unit): Begin by powering on the PDU to provide power to the entire rack. BBUs (Battery Backup Units): Next, power on the BBUs to ensure power protection for the system. XMS (XtremIO Management Server): Power up the XMS to allow management and monitoring of the storage system. Storage Controllers: Finally, power on the Storage Controllers to bring the storage system online. Reference: Dell XtremIO Installation and Power-Up Guide. Thank you for your visit.

Question 13

DRAG DROP What is the correct sequence of steps to install a virtual XMS prior to creating the cluster on an XtremIO X2?

Accepted Answer

Explanation: The correct sequence of steps to install a virtual XMS prior to creating the cluster on an XtremIO X2 is: Deploy the OVF Template Configure the XMS Transfer the Installation Package to the XMS Server Install only the XMS Display the Installation Package on the Storage Controller Deploy the OVF Template: Begin by deploying the Open Virtualization Format (OVF) template which is a pre-configured virtual machine that contains all necessary installation files. Configure the XMS: After deployment, configure XtremIO Management Server (XMS) which involves setting up network configurations and other system settings. Transfer the Installation Package to the XMS Server: The next step is transferring all necessary installation files for XtremIO to your newly configured XMS server. Install only the XMS: Proceed with installing only XtremIO Management Server software on your server. Display the Installation Package on Storage Controller: Finally, ensure that your storage controller can access and display all relevant installation packages for further processes. These steps are outlined in the Dell XtremIO Maintenance Achievement document and provide a systematic approach to installing a virtual XMS, which is essential for managing and creating an XtremIO X2 cluster.

Question 14

Which document provides details about temperature and humidity requirements?

Accepted Answer

C

Explanation: The XtremIO Storage Array Site Preparation Guide is the document that provides detailed information about the environmental requirements, including temperature and humidity, for XtremIO storage systems. This guide is essential for ensuring that the site where the XtremIO system will be installed meets the necessary conditions for optimal operation and longevity of the equipment1. The guide typically includes: The acceptable temperature range for both operating and non-operating conditions. The recommended humidity levels to prevent condensation and other moisture-related issues. Guidelines for airflow and cooling to maintain the specified temperature and humidity levels. It is important to adhere to these requirements to ensure the reliable performance of the XtremIO storage array and to avoid any potential environmental-related issues1. =========================

Question 15

What is indicated when the XtremIO X2 NVRAM status LED is flashing red at one second intervals?

Accepted Answer

D

Explanation: When the NVRAM status LED on an XtremIO X2 is flashing red at one-second intervals, it indicates an uncorrectable error. This is a critical status that typically signifies a hardware malfunction or failure within the NVRAM module, which requires immediate attention. NVRAM, or Non-Volatile Random Access Memory, is crucial for retaining data integrity during power losses or system crashes1. The steps to address this issue usually involve: Investigating the system logs to identify the specific nature of the error. Contacting Dell EMC support for guidance on diagnosing and resolving the issue. Following the recommended procedures for troubleshooting or replacing the affected NVRAM module, as per the support team’s instructions. It is important to resolve such errors promptly to prevent potential data loss and to maintain the overall health and performance of the storage system1. =========================

Free Dell D-XTR-MN-A-24 Actual Exam Questions