Free EMC D-XTR-OE-A-24 Practice Exam with Questions & Answers | Set: 2

If the requested data is not found in cache, it is called a cache miss and the data must be read from the storage. The back end accesses the appropriate storage device and retrieves the requested data. Data is then placed in cache and finally sent to the compute system through the front end. Cache misses increase the I/O response time.

cURL is an application that can be used to interact with an XtremIO cluster via the REST API.

It allows for the execution of various HTTP commands to manage and retrieve information from the storage array.

cURL is widely used for its simplicity and capability to handle RESTful web services, making it suitable for managing XtremIO clusters.

References:

Dell XtremIO RESTful API Guide

XtremIO API Documentation

For integrating Oracle with XtremIO, along with path failover software, it is best practice to increase the queue depth and execution throttle to "maximum."

This configuration optimizes the handling of I/O requests, improving performance and efficiency.

Properly tuning these settings ensures that the HBA drivers can handle the high I/O demands of an Oracle environment on XtremIO.

References:

Dell XtremIO Oracle Integration Guide

XtremIO Configuration Best Practices

In the context of XtremIO storage systems, creating reports typically requires administrative privileges. The role of an Administrator is usually necessary to access and manage the full range of system functionalities, including the generation of new reports. Here’s why:

Configuration Role (OA): While this role may allow for some system configurations, it might not have the necessary permissions to create new reports, which often involve accessing and manipulating system-wide data.

Read-Only Role (B): This role is typically limited to viewing configurations and reports that already exist within the system. It does not permit the creation of new reports or modification of existing ones.

Administrator Role (OC): An Administrator role usually has the highest level of access within a system, including the ability to create, modify, and delete reports. This role can access all areas of the system and make changes as required.

Technician Role (OD): The Technician role may have permissions for certain operational tasks and troubleshooting but is not typically empowered to create system reports.

Therefore, the minimum account role required to create a new XtremIO report would be the Administrator role (OC), as it provides the necessary access and permissions to perform such tasks within the storage system.

If the email server is not receiving notifications for major severity issues, it is likely because alert definitions have not been defined.

Alert definitions specify the conditions under which notifications are sent, and without these, the system will not trigger email alerts.

Ensuring proper configuration of alert definitions is essential for timely notifications of critical events.

References:

Dell XtremIO Administration Guide

XtremIO Alerts Configuration Documentation

The correct sequence of steps to map a volume to a host using the XtremIO WebUI is:

Select the volume.

Select an initiator group.

Assign a LUN number.

Click ‘Create/Modify Mapping’.

View/verify the results.

To map a volume to a host in the XtremIO WebUI, you would follow these steps:

Select the volume: Navigate to the volume you wish to map and select it. This is the first step because you need to specify which volume you’re working with.

Select an initiator group: Choose the initiator group that corresponds to the host to which you want to map the volume. An initiator group contains one or more initiators that uniquely identify the host in the storage environment.

Assign a LUN number: Specify a Logical Unit Number (LUN) for the volume in this mapping. The LUN is an identifier for the volume in the context of the host to which it’s being mapped.

Click ‘Create/Modify Mapping’: After selecting the volume, initiator group, and assigning a LUN, you’ll execute the command to create the mapping by clicking this button.

View/verify the results: Finally, check the mapping to ensure that it has been successfully created and is functioning as expected.

This sequence of steps ensures that the volume is properly configured and connected to the host, allowing for efficient data management and access within the Dell XtremIO storage system.

In EMC’s AppSync, the Service Plan Administrator role is responsible for managing service plans and RPOs (Recovery Point Objectives).This role includes the ability to register applications for protection and configure their RPOs, which aligns with the responsibilities described for the new administrator1.

The Service Plan Administrator has the privileges needed to assign service levels and manage protection policies within AppSync.This role is crucial for ensuring that applications are protected according to the organization’s specific recovery requirements and service level agreements1.

The other roles mentioned, such as Data Administrator, Security Administrator, and Resource Administrator, have different sets of responsibilities and privileges that do not specifically align with the task of registering applications for protection and configuring RPOs within AppSync1. Therefore, the correct privilege level for a new administrator with these responsibilities would be the Service Plan Administrator.

The design concept of the XtremIO X2-S X-Brick configuration is to provide high logical capacity.

This allows for efficient storage management and data reduction technologies, enabling organizations to maximize their storage resources.

The high logical capacity supports extensive data consolidation and improved storage utilization.

References:

Dell XtremIO X2-S Configuration Guide

XtremIO Product Documentation