Dell EMC D-PVM-OE-01 Dell PowerMax Operate v.2 Exam Practice Test

Answer : A

Okay, I understand. We need to perform a system health check and review the compliance status for a PowerMax array with SID ending in 1762 using the Unisphere simulator, then generate and download a compliance report.

Here's how you would do it in the Unisphere for PowerMax simulator, based on the provided image and common Unisphere functionality:

Steps:

1. Launch the Simulator and Access the System Health View

Open Unisphere for PowerMax in your web browser.

You should already be logged in to the simulator, with the PowerMax array with SID 1762.

The initial Overview page (as shown in the image) provides a good starting point for a health check.

2. Analyze the Overview Page

Health: The 'Health' section displays the overall health status of the array. In the image, it shows '100' with a green checkmark, which indicates that the array is currently healthy.

Alerts: The 'Alerts' section will show if there are any active alerts. In the image, it shows a green checkmark and 'All alerts have been acknowledged,' meaning no unacknowledged alerts. You can click 'View all Alerts' to see the alert history.

Capacity: The 'Capacity' section indicates whether storage resource pools are within their capacity thresholds. The green checkmark and 'All storage resource pools are within their capacity thresholds' message indicate that capacity is currently healthy. You can click 'View Report' for more details.

Performance: The 'Performance' section is not detailed in the image, but it would typically provide a quick overview of the array's performance.

Updates: The 'Updates' section shows the system's PowerMaxOS code level and whether any updates are overdue. In the image, it shows that the system is 'Up to Date.'

3. Navigate to the Compliance Section

In the left-hand navigation pane, click on Data Protection to expand it.

Click on Compliance under Data Protection.

4. Review Compliance Status

The Compliance view will show you the overall compliance status of your storage groups against the defined compliance policies.

Review the compliance status for each Storage Group.

Look for any storage groups that are marked as 'Non-Compliant.'

5. Generate the Compliance Report

Click on 'Generate Report' (or a similarly worded button) within the Compliance view. This might also be represented as an icon in the simulator.

Select all Storage Groups Since we need to generate the report for all storage groups.

Report Format: Choose the desired report format. Common options are usually PDF, CSV, or HTML. For this simulation, let's assume PDF is available and select it.

Download the Report: Once the report is generated, there will typically be a 'Download' or similar option to save the report to your local system. Click it to download the compliance report.

6. Further Health Checks (Optional):

Detailed Performance Metrics: You can navigate to the Performance section in the left navigation pane (under 'Dashboard') to view more detailed performance metrics for various components of the array.

Hardware Status: You can typically find a 'Hardware' section (or similarly named section) that provides information about the physical components of the array (e.g., DAEs, directors, ports).

Answer : C

Step by Step Comprehensive Detailed

The Dell PowerMax 2500 is a mid-range storage array designed for enterprise environments. It offers a balance of performance, capacity, and scalability.

Scalability: The PowerMax 2500 scales from a single node pair to a maximum of two node pairs. This allows for increased performance and capacity as needed. Each node pair provides processing power, cache memory, and connectivity.

Why other options are incorrect:

A . Supports up to 16 nodes: This is incorrect. The PowerMax 8500, the higher-end model, supports up to 16 nodes.

B . Supports up to 15 PB of effective capacity: While the PowerMax 2500 offers significant capacity, its maximum effective capacity is lower than 15 PB.

D . Uses Storage Class Memory: Both the PowerMax 2500 and 8500 utilize Storage Class Memory (SCM) for enhanced performance.

Reference and documents of Dell's public documentation for PowerMax Operate v.2:

Dell PowerMax 2500 Hardware Information Guide: This guide provides detailed technical specifications for the PowerMax 2500, including its scalability options, node configurations, and capacity limits. You can find this document on the Dell Support website by searching for 'PowerMax 2500 Hardware Information Guide.'

Dell PowerMax Family: Essentials and Best Practices Guide: This guide offers a general overview of the PowerMax family, including the 2500 and 8500 models. It highlights the key differences in scalability and performance between the two models.

Answer : B

Step by Step Comprehensive Detailed

A Gatekeeper in PowerMax is a small, dedicated device used for communication between the storage array and Solutions Enabler (SYMCLI), the command-line management interface. The default size of a Gatekeeper on a PowerMax array is 3 cylinders.

While the size can technically be specified in kilobytes (KB), the traditional and preferred unit for Gatekeeper size is cylinders. This is because cylinders represent a specific number of blocks on the physical disks, and using cylinders helps ensure consistent sizing across different disk types and configurations.

Why other options are incorrect:

A . 3 KB, C. 6 KB: These sizes are too small to be practical for a Gatekeeper.

Answer : A

Step by Step Comprehensive Detailed

TimeFinder SnapVX is a snapshot technology in PowerMax that allows you to create point-in-time copies of data. When using SnapVX, you can link target volumes to a snapshot to create writable copies of the data at that specific point in time.

The maximum number of target volumes that can be linked to a single snapshot on a source volume is 255. This limitation ensures efficient management and performance of the SnapVX snapshots and linked targets.

Why other options are incorrect:

B . 256, C. 512, D. 1024: These numbers exceed the maximum limit of linked targets per snapshot.

Reference and documents of Dell's public documentation for PowerMax Operate v.2:

Dell Solutions Enabler 10.0.0 TimeFinder SnapVX CLI User Guide: This guide provides detailed information about SnapVX features and limitations, including the maximum number of linked targets per snapshot. You can find this document on the Dell Support website by searching for 'Solutions Enabler TimeFinder SnapVX CLI User Guide.'

Dell PowerMax Family: Essentials and Best Practices Guide: This guide offers a comprehensive overview of PowerMax technologies, including SnapVX. It may provide context for understanding the limitations and best practices for using SnapVX snapshots and linked targets.

Answer : A, E

Step by Step Comprehensive Detailed

Non-Disruptive Migration (NDM) is a feature in PowerMax that allows you to migrate data between storage arrays without any downtime or disruption to host applications. During NDM, SRDF (Symmetrix Remote Data Facility) is used to replicate data between the source and target arrays. Here are the configuration rules that apply to SRDF groups and connections during NDM:

A . The source and target arrays are at most one hop away from the control host: The control host, which manages the NDM process, must have direct connectivity to both the source and target arrays. This ensures efficient communication and control during the migration.

E . DM RDF groups are configured with a minimum of one path: SRDF groups used for NDM (DM RDF groups) must have at least one active path between the source and target arrays. This ensures that data can be replicated continuously during the migration.

Why other options are incorrect:

B . Two DM RDF groups are created per SG migration session: This is not a strict requirement. The number of DM RDF groups may vary depending on the configuration and the specific NDM operation.

C . RF and RE ports are supported, with RF ports being selected if both types are available: While RF and RE ports are supported for SRDF, there's no specific preference for RF ports during NDM. The choice of ports depends on the overall network configuration and availability.

D . A single array cannot have multiple DM RDF groups: An array can have multiple DM RDF groups if needed for different NDM operations or configurations.

Reference and documents of Dell's public documentation for PowerMax Operate v.2:

Dell PowerMax Family: Essentials and Best Practices Guide: This guide provides an overview of NDM and its requirements, including information about SRDF configuration.

Dell Solutions Enabler 10.0.0 CLI User Guide: This guide provides detailed information about SRDF commands and configuration options, which are relevant for NDM operations.

Answer : B, E

Step by Step Comprehensive Detailed

SnapVX Clones: SnapVX clones are full, writable copies of a source volume created using the SnapVX snapshot technology. They are independent volumes that can be used for various purposes, such as testing, development, or data analysis.

Secure Snapshots: SnapVX offers the capability to create 'secure snapshots.' When a clone is derived from a secure snapshot, it inherits the same protection, making it immutable and preventing any modifications or deletion. This ensures data integrity and protection against accidental or malicious changes.

Crash Consistent: SnapVX clones can be made crash consistent. This means that the clone captures a point-in-time copy of the source volume that is consistent with a database or application crash. This is important for ensuring data integrity and recoverability in situations where the source volume experiences an unexpected outage.

Why other options are incorrect:

A . Maximum 1024 snaps per volume: This limit applies to the source volume, not the clones themselves. Each clone is an independent volume.

C . Restores directly to the source volume: Clones are independent copies and do not directly restore to the source volume. Data can be copied or moved from the clone to the source if needed.

D . Is Read-only: SnapVX clones are fully writable copies, not read-only.

Reference and documents of Dell's public documentation for PowerMax Operate v.2:

Dell Solutions Enabler 10.0.0 TimeFinder SnapVX CLI User Guide: This guide provides detailed information about SnapVX features and commands, including how to create and manage clones. It confirms the ability to create secure clones and the option to make them crash consistent.

Dell PowerMax Family: Essentials and Best Practices Guide: This guide offers a comprehensive overview of PowerMax technologies, including SnapVX. It highlights the benefits of SnapVX clones for various use cases.

Answer : A

We need to remove all resources associated with a deprecated web application server named web_host_1 in the Unisphere for PowerMax simulator.

Here's a step-by-step guide on how to accomplish this, based on typical Unisphere functionality and the context of the question:

Steps:

1. Launch the Simulator and Navigate to the Hosts Section

Open Unisphere for PowerMax in your web browser.

Log in to the simulator.

In the left-hand navigation pane, click on Hosts > Hosts. This will take you to the Hosts management view.

2. Locate the Host web_host_1

In the Hosts view, you'll see a list of all configured hosts.

Find the host named web_host_1. You might need to use the search or filtering options if there are many hosts listed.

3. Identify Associated Resources

Before deleting the host, it's crucial to identify all resources associated with it. These typically include:

Masking Views: These define the LUNs that a host can access.

Storage Groups: These contain the volumes presented to the host.

Port Groups: These define the connectivity paths (ports) used by the host.

How to Find Associated Resources:

Click on the web_host_1 host entry. This should open a details view or properties page for the host.

Look for tabs or sections labeled 'Masking Views,' 'Storage Groups,' or similar.

Note down the names of any masking views and storage groups associated with web_host_1.

4. Remove the Host from Masking Views

Navigate to Hosts > Masking Views.

Locate the masking views that you identified in Step 3 as being associated with web_host_1.

Open each masking view's properties.

Remove the Host: There should be an option to edit the host list within the masking view. Find web_host_1 in the list of hosts and remove it.

Save Changes: Save the changes to the masking view.

Repeat for all masking views associated with web_host_1.

5. Delete or Modify Storage Groups

Navigate to Storage > Storage Groups.

Locate the storage groups that were associated with web_host_1.

Two Options:

If the storage group is ONLY used by web_host_1: You can delete the entire storage group. Select the storage group and click the Delete button (or a similar option).

If the storage group is shared with other hosts: You need to remove the volumes associated with web_host_1 from the storage group.

Open the storage group's properties.

Go to the 'Volumes' tab.

Identify the volumes that were presented to web_host_1.

Select those volumes and choose the option to 'Remove from Storage Group' or a similarly worded option.

Save the changes to the storage group.

6. Delete the Host

Go back to Hosts > Hosts.

Select web_host_1.

Click the Delete button (or a similar option, like a trashcan icon).

Confirm that you want to delete the host.

7. Verify Removal (Optional)

After deleting the host and modifying the storage groups and masking views, you can verify that the resources have been properly cleaned up.

Check the Storage Groups and Masking Views sections again to ensure that web_host_1 is no longer listed and that the storage groups have been either deleted or modified as intended.