100% Pass Quiz 2025 D-XTR-DS-A-24: Accurate Dell XtremIO Design Achievement Valid Dumps Pdf

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

Topic	Details
Topic 1	Host Configurations in XtremIO and X2 Environments: For system administrators and storage specialists, this section explores various host configurations crucial for optimal performance in XtremIO and XtremIO X2 environments. It covers common setups like host bus adapters (HBAs) and multipathing, as well as ESXi-specific configurations. The section also addresses configurations for other operating systems such as Microsoft Windows, Linux, Sun Solaris, IBM AIX, and HP-UX, ensuring broad compatibility and performance across different IT environments.
Topic 2	Positioning XtremIO and X2: For sales engineers and solution architects, this section explores the benefits and positioning of XtremIO and XtremIO X2 storage solutions. It highlights All-Flash array advantages and XtremIO's specific benefits, including high performance and efficiency. The section covers XMS Simulator usage for demonstrations, post-processing operation benefits, and XtremIO Data Protection (XDP) performance value.
Topic 3	XtremIO X2 Data Replication: For data protection specialists and storage administrators, this section focuses on data replication operations and management within XtremIO X2 systems. It covers XtremIO X2 snapshot creation and management for data backup and recovery. The section also explains RecoverPoint operations for local and remote replication with XtremIO X2, offering comprehensive data protection and disaster recovery solutions.
Topic 4	Designing an XtremIO X2 Solution: For solution architects and storage designers, this comprehensive section addresses design considerations and best practices for XtremIO X2 solutions. It covers performance design considerations to meet required standards, and designing solutions with features like deduplication, compression, encryption, and replication.

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EMC Dell XtremIO Design Achievement Sample Questions (Q30-Q35):

NEW QUESTION # 30
Which software package is required for Fast I/O Failure for the AIX operating system?

A. LVM
B. ODM
C. PowerPath
D. MPIO

Answer: D

Explanation:
MPIO (MultiPath I/O) is required for Fast I/O Failure for the AIX operating system as it helps in managing multiple paths for redundancy and failover.

NEW QUESTION # 31
An XtremlO administrator wants to understand the I/O transfer process. What are the parts of a typical I/O transfer?

A. Negotiation, header, data, and acknowledgement
B. Protocol, header, data, and address
C. Metadata, header, data, and log
D. Protocol, header, data, and handshaking

Answer: D

Explanation:
A typical I/O transfer involves several components that work together to ensure data is correctly sent and received. These components include:
* Protocol: This defines the rules for how data is transmitted between devices. It ensures that the sender and receiver are using a common language and standards.
* Header: The header contains metadata about the data being transferred, such as source and destination addresses, error checking codes, and sequencing information.
* Data: This is the actual payload or information that is being transferred.
* Handshaking: This part of the process involves the exchange of control messages before the actual data transfer begins. It establishes the parameters of the communication channel and confirms that both sender and receiver are ready for the transfer.
These components are essential for the successful completion of an I/O transfer, ensuring that data is accurately and reliably transmitted from one point to another.
References:
* The Dell XtremIO Design documents provide a detailed understanding of the product features, functionality, use cases, and configurations, which includes the I/O transfer process as a fundamental aspect of storage array operations1.
* Additional resources on I/O transfer processes can be found in the support documentation for the XtremIO Family on Dell's official website2.

NEW QUESTION # 32
A storage administrator is configuring SAN switches and zoning to connect a four X-Brick XtremlO array. A VMware ESXi server is hosted on a blade chassis with 16 HBA ports.
In addition, the SAN consists of two separate SAN switches.
What is the recommended XtremlO best practice for zoning?

A. Two HBA connections per host
Single initiator/multiple targets per zone
Maximum of 16 paths for each device
Host connected to each SAN switch
B. Two HBA connections per host connected to a single switch
Multiple initiators/multiple targets per zone
Maximum of 4 paths for each LUN per zone
C. Single Storage Controller HBA port to the first switch
Single Storage Controller HBA port to the second switch
Single initiator/multiple targets per zone
Maximum of 4 paths for each LUN per zone
D. First Storage Controllers' HBA ports to the first switch
Second Storage Controllers' HBA ports to the second switch
Multipath all host ports to single LUNs per zone

Answer: A

Explanation:
For a four X-Brick XtremIO array, the recommended best practice for zoning in a SAN environment with VMware ESXi servers is to have two HBA connections per host, with each host connected to both SAN switches. This configuration allows for redundancy and high availability. The zoning should be set up with a single initiator (the HBA on the host) to multiple targets (the storage controllers' HBA ports) per zone. This ensures that each host has multiple paths to the storage, allowing for failover and load balancing.The maximum number of paths for each device should be 16 to prevent exceeding the path limits and to maintain optimal performance1.
References:
* Dell Technologies community discussions on XtremIO Zoning Best Practices provide insights into the recommended zoning configurations for different XtremIO setups1.
* The Host Configuration Guide for XtremIO, which can be found on the Dell EMC support site, offers detailed instructions on zoning best practices for XtremIO storage arrays2.

NEW QUESTION # 33
Which disk format should be used for ESXi Disks provisioned by XtremIO?

A. Zeroed thick
B. Eager zeroed thick
C. Thick
D. Thin

Answer: B

Explanation:
For ESXi disks provisioned by XtremIO, the recommended disk format is 'Eager Zeroed Thick'. This format is preferred because it allocates all the space required for the disk at the time of creation and zeroes out any previous data on the physical media. Compared to other formats, 'Eager Zeroed Thick' provides better performance due to the pre-zeroing of the disk space, which helps in avoiding any latency that might occur during write operations as there is no need to zero out blocks before writing new data.
References:
* While the specific Dell XtremIO Design document was not available, the general best practice for high-performance storage solutions like XtremIO is to use 'Eager Zeroed Thick' provisioning for VMs running on VMware ESXi to ensure optimal performance1.
* Additional information on disk provisioning and best practices can be found in VMware's official documentation and Dell EMC's storage configuration guides2.

NEW QUESTION # 34
When troubleshooting SAN performance problems what would be a key indicator of a physical issue?

A. High Class 3 Discards
B. High Buffer to Buffer Credits
C. Low Buffer to Buffer Credits
D. High CRC error count

Answer: D

Explanation:
When troubleshooting SAN performance problems, a key indicator of a physical issue is a high CRC (Cyclic Redundancy Check) error count. CRC errors are indicative of corrupt data packets during transmission, which often points to issues such as faulty cables, bad ports, or other physical problems in the network infrastructure.
High CRC error counts can lead to retransmissions, reduced throughput, and overall degradation of SAN performance. Addressing the physical components associated with high CRC error counts is essential for restoring optimal SAN operations.
References:
* While the specific Dell XtremIO Design document was not available, general SAN troubleshooting guidelines and best practices indicate that CRC errors are a critical metric to monitor for physical connectivity issues1.
* Additional resources on SAN performance troubleshooting can be found in the support documentation for the XtremIO Family on Dell's official website2.

NEW QUESTION # 35
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