Dell EMC D-PST-DY-23 Dell PowerStore Deploy 2023 Exam Practice Test

Answer : A

1. Open the simulator and log in with the default credentials: admin/Password123#.

2. SelectStorage>Volumesfrom the left menu.

3. SelectVolume-1andVolume-2from the list of volumes and clickGroup.

4. Enter a name for the volume group, such asConsistent-Group, and clickCreate.

5. SelectProtection>Protection Policiesfrom the left menu.

6. Click+ CREATEto launch the Create Protection Policy wizard.

7. Enter a name for the protection policy, such asDaily-Snapshot, and clickNext.

8. Click+ CREATEto create a new snapshot rule for the policy.

9. Enter a name for the snapshot rule, such asDaily-Rule, and clickNext.

10. SelectAll Daysfor the days to run the rule andTime of dayfor the frequency. Enter00:00as the start time and clickNext.

11. Enter25as the retention hours and clickNext.

12. Review the summary and clickFinishto create the snapshot rule.

13. ClickNextto continue the protection policy wizard.

14. Review the summary and clickFinishto create the protection policy.

15. SelectStorage>Volume Groupsfrom the left menu.

16. SelectConsistent-Groupfrom the list of volume groups and clickEdit.

17. ClickProtection Policyand selectDaily-Snapshotfrom the drop-down list. ClickSave.

18. The volume group is now configured with a protection policy that creates a snapshot every day at 00:00 and retains it for 25 hours.

Answer : A

1. On the simulator, click on theStoragetab on the left sidebar. Then click on theVolumessubtab. You will see a list of existing volumes on the cluster.

2. To create a new volume, click on theCreatebutton on the top right corner. A dialog box will appear where you can enter the volume details.

3. Enter the name of the volume asnvme-ds-01. Select the category asVirtualizationand the application asContainers/Kubernetes. These are optional fields that help you organize and identify your volumes.

4. Select the volume performance policy asHigh. This will optimize the volume for high performance and low latency. You can also customize the policy by clicking on theAdvancedbutton and adjusting the settings.

5. Enter the size of the volume as2 TB. You can also enable thin provisioning, compression, and deduplication if you want to save space and improve efficiency. Click on theCreatebutton to create the volume.

6. You will see a confirmation message that the volume has been created successfully. Click on theClosebutton to exit the dialog box. You will see the new volume in the list of volumes.

7. To add a new host, click on theHostssubtab on the left sidebar. You will see a list of existing hosts on the cluster.

8. To create a new host, click on theCreatebutton on the top right corner. A dialog box will appear where you can enter the host details.

9. Enter the name of the host asESXi-01. Select the initiator type asNVMe. This will enable the host to use the NVMe over TCP protocol to access the volumes.

10. To add the host mappings, click on theAdd Mappingbutton. A dialog box will appear where you can select the volume and the access type.

11. Select the volumenvme-ds-01from the drop-down menu. Select the access type asNVMe. This will map the volume to the host using the NVMe over TCP protocol. Click on theAddbutton to add the mapping.

12. You will see the mapping in the list of host mappings. You can add more mappings if you want to map more volumes to the host. Click on theCreatebutton to create the host.

13. You will see a confirmation message that the host has been created successfully. Click on theClosebutton to exit the dialog box. You will see the new host in the list of hosts.

14. You have completed the task of adding the host and the volume and giving the host access to the volume using the NVMe over TCP protocol. You can verify the configuration by clicking on the host or the volume and checking the details.

Answer : D

NFSv4 and ESXi Host Access

When provisioning a VMware file system (like a datastore) from a NAS server using NFSv4, the ESXi host needs specific permissions to function correctly:

Read/Write Access: This is fundamental. The ESXi host must be able to both read data from and write data to the datastore. This is essential for storing virtual machine files, writing logs, and managing the overall file system.

Allow Root Access: ESXi hosts require root-level access to the NFS datastore. This is critical for:

Creating and Managing VMDKs: Root access is necessary to create, delete, and modify virtual machine disk files (VMDKs) on the datastore.

Managing VM Files: The host needs root permissions to manage various virtual machine configuration files and logs stored on the datastore.

Maintaining File System Integrity: Root access allows the ESXi host to perform essential file system operations to ensure consistency and prevent data corruption.

Why Other Options Are Incorrect

A . Read/Write: While read/write access is necessary, it's not sufficient on its own. Root access is also required.

B . Kerberos with Integrity: Kerberos is a security protocol that can be used with NFSv4 for authentication, but it's not a basic access requirement for ESXi hosts. While Kerberos enhances security, it's not strictly mandatory for basic functionality.

C . Kerberos with Encryption: Similar to Kerberos with integrity, encryption adds another layer of security but isn't a fundamental requirement for ESXi host access to an NFSv4 datastore.

Important Considerations

NFS Owner: When configuring NFSv4 on PowerStore, you typically set the 'NFS Owner' to 'root' for ESXi hosts. This ensures that the host has the necessary permissions.

no_root_squash: On some NAS systems, you might need to configure the no_root_squash option in the NFS export settings. This option prevents the NAS server from mapping the root user on the ESXi host to a less privileged user, ensuring that the host retains root access to the NFS share.

Dell PowerStore Reference

PowerStore: Create a File System for NFS Exports: This document in the PowerStore documentation provides guidance on creating and configuring file systems for NFS exports, including details about setting NFS permissions and the NFS owner.

Topic 2,

SIMULATION / Lab Based Questions

Answer : A, D, E

Answer : A, D

PowerStore supports a straightforward one-to-one relationship where a resource group in a source storage container is replicated to a destination storage container. This is the most common and simplest replication setup.

Answer : C, D, E

Here's a detailed explanation of each requirement:

C . Create bond 1 and Tag replication:

Bonding: Bonding (also known as link aggregation) combines multiple physical network interfaces into a single logical interface (bond1 in this case). This provides redundancy and increased bandwidth for replication traffic. If one physical link fails, replication can continue over the remaining links in the bond.

Tagging: Tagging replication traffic (usually with a VLAN tag) ensures that it is properly routed over the network and isolated from other types of traffic. This helps maintain performance and security for replication.

D . Create Remote System:

Defining the Replication Relationship: In PowerStore Manager, you need to create a 'Remote System' object to establish the relationship between the source PowerStore appliance and the destination appliance where replicated data will be stored. This involves specifying the management IP address and credentials of the remote system.

E . Configure File Mobility Network:

Dedicated Network for File Replication: The File Mobility Network (FMN) is a dedicated network in PowerStore specifically for file-level replication traffic. It consists of three additional IP addresses per PowerStore cluster that utilize the existing management network VLAN, gateway, and netmask. These interfaces are mapped to the 1 GbE management ports, sharing the physical port with the existing management interfaces. 1

Isolation and Performance: Using a separate network for file replication ensures that this traffic doesn't interfere with other network activities, such as iSCSI or user access to file shares. This helps maintain optimal performance for both replication and other operations.

Why the other options are incorrect:

A . Create FC zoning between PowerStore: FC zoning is used for block-level storage access (like Fibre Channel SAN), not for file-level replication over Ethernet.

B . Configure Data Storage Network: While a Data Storage Network is essential for general storage traffic, it's not a specific requirement for configuring asynchronous file replication. File replication relies on the File Mobility Network.

Dell PowerStore Reference

PowerStore: Replication Technologies - Overview and Prerequisites: This document provides a comprehensive overview of replication in PowerStore, including the requirements for different replication types. It specifically mentions the need for a File Mobility Network for file replication.

Link to PowerStore documentation: https://infohub.delltechnologies.com/l/dell-powerstore-replication-technologies/overview-and-prerequisites-1/

By fulfilling these requirements, you can ensure that asynchronous file replication is properly configured and optimized for performance and reliability in your PowerStore environment.

Answer : A, D, E