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

Step by Step Comprehensive Detailed Explanation:

In PowerMaxOS 5978, the largest TDEV (Thin Device) that can be created is64 TB. This represents the maximum size for a single, thinly provisioned storage volume on a PowerMax array running that version of the operating system.

References 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 PowerMax features and capabilities, including information about storage device sizes and limits.

Dell Solutions Enabler 10.0.0 CLI User Guide:This guide might contain details about the maximum size of TDEVs that can be created using SYMCLI commands.

Step by Step Comprehensive Detailed Explanation:

The PowerMax 8500 is a high-end storage array designed for enterprise environments with demanding capacity requirements. The maximum capacity per array in a PowerMax 8500 is24 petabytes effective (PBe).  

This means that after considering data reduction technologies like deduplication and compression, the array can store up to 24 petabytes of usable data.

Why other options are incorrect:

A. 8 PBe, B. 18 PBe, C. 20 PBe:These values are lower than the actual maximum capacity of the PowerMax 8500.

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

Dell PowerMax 8500 Hardware Information Guide:This guide provides detailed technical specifications for the PowerMax 8500, including its maximum capacity. You can find this document on the Dell Support website by searching for "PowerMax 8500 Hardware Information Guide."

Dell PowerMax Family: Essentials and Best Practices Guide:This guide offers a general overview of the PowerMax family, including the 8500 model and its key features and capabilities.

Step by Step Comprehensive Detailed Explanation:

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 is3 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.

D. 6 cylinder:While older VMAX models might have used 6 cylinders, the current default for PowerMax is 3 cylinders.

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

Dell Solutions Enabler 10.0.0 CLI User Guide:This guide provides information about Gatekeepers and their role in Solutions Enabler. While it might not explicitly state the default size, it mentions that Gatekeepers are typically small devices. You can find this document on the Dell Support website by searching for "Solutions Enabler CLI User Guide."

Dell PowerMax Family: Essentials and Best Practices Guide:This guide might offer general information about Solutions Enabler and its configuration, which can provide context for understanding the purpose and sizing of Gatekeepers.

Step by Step Comprehensive Detailed Explanation:

The syradm list -environment -offline command in Solutions Enabler is used to display information about migration environments that are currently offline.

Here's what it shows:

Controlled Environments:It lists the migration environments that are directly controlled by the host where the command is executed. These are the environments where the host acts as the primary control point for the migration.

Reachable Environments:It also lists environments that are reachable from the host executing the command. This includes environments controlled by other hosts that are connected and accessible within the SAN fabric.

This broader scope allows administrators to get a comprehensive view of offline migration environments across their managed systems.

Why other options are incorrect:

A. The environments where the application has been taken offline to perform the cutover:While offline environments might be associated with cutovers, the command shows all offline environments regardless of their specific stage in the migration process.

B. Only the environments controlled by the host from where the list command is run:It also includes reachable environments, not just those directly controlled by the host.

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

Dell Solutions Enabler 10.0.0 CLI User Guide:This guide provides detailed information about the syradm command and its various options, including the list -environment -offline command for displaying offline migration environments. You can find this document on the Dell Support website by searching for "Solutions Enabler CLI User Guide."

Step by Step Comprehensive Detailed Explanation:

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.

References 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.

Okay, I understand. We need to configure a recurring exclusion window in the Unisphere for PowerMax simulator to exclude performance load during a weekly backup that occurs every Sunday from 8:00 AM to 9:00 AM. This exclusion will prevent the backup load from affecting system-level compliance calculations.

Here's a step-by-step guide on how to do this, based on typical Unisphere functionality:

Steps:

1. Launch the Simulator and Navigate to the System Settings

Open Unisphere for PowerMax in your web browser.

Log in to the simulator (you should already be logged in with the array SID 1762 selected, based on the image).

In the left-hand navigation pane, locate the settings or configuration section. The exact location might vary slightly, but it's often found under:

Home>System Settings

Settings(an icon representing settings, like a gear)

Admin>System

In this instance, click thegearicon on the top right corner of the Unisphere interface.

2. Find the Exclusion Window Settings

Within the system settings, look for a section related to performance monitoring, metrics, or thresholds.

Within this section, search for an option to configure "Exclusion Windows," "Scheduled Exclusions," or something similar. The exact name may vary.

3. Create a New Exclusion Window

Click on a button or link to create a new exclusion window. This might be labeled:

"Create"

"Add"

"+"(a plus icon)

A new window or panel will appear, allowing you to configure the exclusion window settings.

4. Configure the Exclusion Window Settings

Name (Optional):You can give the exclusion window a descriptive name, such as "Weekly Backup Exclusion."

Type:Select"Recurring"or"Repeating"as the exclusion window type.

Schedule:

Day of the Week:Select"Sunday".

Start Time:Set the start time to 08:00 (or 8:00 AM). Make sure the time is in 24-hour format or that you correctly select AM if using 12-hour format.

End Time:Set the end time to 09:00 (or 9:00 AM).

Scope/Target:Since we want this exclusion to apply at the system level, make sure the scope is set to"System"or the entire array (SID 1762 in this case). You might not need to explicitly select this if system-level is the default.

Components/Metrics:In some Unisphere versions, you can choose which components or metrics to exclude. In our case, we want to exclude the load for "all components." If there's an option to select components, either choose "All" or leave it at the default (which likely includes all components).

5. Save the Exclusion Window

After configuring all the settings, review them carefully to make sure they are correct.

Click the button to save the exclusion window. This might be labeled:

"Create"

"Save"

"OK"

"Apply"

6. Verify Exclusion Window Creation (Optional)

After the exclusion window is created, you can usually verify its settings in the exclusion window list.

You should see the new exclusion window listed with the correct schedule (Sunday, 8:00 AM - 9:00 AM) and scope (system level).

Topic2, Multiple Choice Questions

Step by Step Comprehensive Detailed Explanation:

The "Data Protection" menu in Unisphere for PowerMax provides a centralized location for managing various data protection features and functionalities. Specifically, it allows storage administrators to:

Configure and manage SRDF groups:SRDF (Symmetrix Remote Data Facility) is a key technology for disaster recovery and data replication in PowerMax. The Data Protection menu enablesadministrators to create, modify, and monitor SRDF groups, establish replication relationships between devices, and control replication settings.  

Why other options are incorrect:

A. Convert front-end ports to SRDF ports:This is typically done through the "System > Hardware" or "Connectivity" sections of Unisphere, where port configurations are managed.

C. Configure Data Protection for z Systems:While PowerMax supports mainframe environments, the specific configuration for z Systems might involve specialized tools or interfaces.

D. Review the audit log for unwanted logins:Audit logs and security-related events are usually found in the "Monitoring" or "Security" sections of Unisphere.

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

Dell Unisphere for PowerMax 10.0.0 Online Help:The online help for Unisphere provides a detailed explanation of the functionalities available in each menu, including the Data Protection menu. You can access this help within Unisphere itself or on the Dell Support website.

Dell PowerMax Family: Essentials and Best Practices Guide:This guide offers a general overview of data protection features in PowerMax and how they are managed through Unisphere.

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 onHosts>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 toHosts>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.

Repeatfor all masking views associated with web_host_1.

5. Delete or Modify Storage Groups

Navigate toStorage>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 theDeletebutton (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 toHosts>Hosts.

Select web_host_1.

Click theDeletebutton (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 theStorage GroupsandMasking Viewssections again to ensure that web_host_1 is no longer listed and that the storage groups have been either deleted or modified as intended.

Host I/O Limits in PowerMax allow you to control the maximum IOPS (Input/Output Operations Per Second) or bandwidth that a storage group can consume. This helps prevent performance issues caused by one application or workload monopolizing resources.

When you associate Host I/O Limits with a Storage Group, the default Dynamic I/O distribution mode is set toNever.

Never:This means that the I/O limits are statically distributed across the directors in the associated masking view. If a director fails, its allocated portion of the I/O limit is lost. This is the most conservative setting, as it ensures that the I/O limits are strictly enforced even in the event of a director failure.

You can change this setting toBalancedorAlwaysif you need more dynamic distribution of I/O limits.

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

Dell PowerMax and VMware vSphere Configuration Guide:This guide provides detailed information about Host I/O Limits, including the different distribution modes and their benefits. You can find this document on the Dell Support website by searching for "PowerMax and VMware vSphere Configuration Guide."

Dell Solutions Enabler 10.0.0 CLI User Guide:This guide provides information on how to set Host I/O Limits using SYMCLI commands, including the -dynamic option for specifying the distribution mode.

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 initialOverviewpage (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 onData Protectionto expand it.

Click onComplianceunder 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 GroupsSince 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 thePerformancesection 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).

Step by Step Comprehensive Detailed Explanation:

TimeFinder SnapVX snapshots in PowerMax can be configured with a time-to-live (TTL) setting. This setting automatically deletes the snapshot after the specified time period has elapsed. However, there are certain situations where a snapshot might persist beyond its TTL:

Linked Targets:If a snapshot has one or more linked targets associated with it, the snapshot will not be automatically deleted even if the TTL expires. This is because the linked targets depend on the snapshot for their data. The snapshot will remain available until all linked targets are deleted or unlinked.

Why other options are incorrect:

B. Snapshot was not manually terminated:The TTL setting is designed to automatically delete the snapshot; manual termination is not required.

C. Snapshot was created in NoCopy mode:The NoCopy mode affects how the snapshot is initially created, not its TTL behavior.

D. Reserved Capacity limit was exceeded:The Reserved Capacity limit applies to the overall storage space used by snapshots, not the TTL of individual snapshots.

References 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 functionalities, including the time-to-live setting and how it interacts with linked targets. You can find this document on the Dell Support website by searching for "Solutions Enabler TimeFinder SnapVX CLI User Guide."

Step by Step Comprehensive Detailed Explanation:

The Workload Planner in Unisphere for PowerMax helps you analyze and predict the performance impact of adding new workloads to your storage array. It uses sophisticated algorithms to calculate howthe addition of a new workload will affect the existing workloads and whether it will violate any service level objectives (SLOs).

To determine if a Storage Group workload is stable, the Planner considers two key calculated values:

Read Response Time:The predicted read response time of the Storage Group after the new workload is added.

Write Response Time:The predicted write response time of the Storage Group after the new workload is added.

The Planner compares these calculated values against the service level (SL) defined for the Storage Group. Ifboththe calculated read and write response times fall within the defined SL response time, the Planner considers the workload to be stable. This means that the new workload can be added without negatively impacting the performance of the existing workloads or violating the SLOs.

Why other options are incorrect:

A. One of the calculated values is within 10-20% of the SL-defined response time:Both read and write response times must be within the defined SL, not just one.

B. Both calculated values are within a 10-15% threshold of the SL-defined response time:The threshold is not fixed at 10-15%. The calculated values must be within the actual SL-defined response time.

C. One of the calculated values remains within the SL-defined response time:Again, both read and write response times need to be within the defined SL.

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

Dell Unisphere for PowerMax 10.0.0 Online Help:The online help for Unisphere provides detailed information about the Workload Planner feature, including how it calculates and analyzes workload stability. You can access this help within Unisphere itself or on the Dell Support website.

Dell PowerMax Family: Essentials and Best Practices Guide:This guide may offer general information about performance management and workload planning in PowerMax, providing context for understanding the Workload Planner's functionality.

Set up the migration environment to migrate applications from the source array to the target array.

Examine the specific storage for the applications on the source array and automatically provision equivalent storage on the target array.

Initiate data synchronization from the source to the target and cutover to make source array paths inactive so target array services all host I/O.

Commit the necessary changes after the source to target data synchronization is complete and all application data has been migrated to the target.

Remove the configured array-to-array connectivity for the data migration pathway on both storage arrays.

Correct Order:

Set up the migration environment to migrate applications from the source array to the target array.

Why:This is the initial setup phase, where you configure the necessary settings on both the source and target arrays to enable the migration. This involves actions like:

Verifying compatibility between the source and target arrays.

Ensuring that the required licenses are in place (e.g., NDM license).

Configuring network connectivity (FC or iSCSI) for data transfer between the arrays.

Examine the specific storage for the applications on the source array and automatically provision equivalent storage on the target array.

Why:Before migrating data, you need to ensure that the target array has the appropriate storage capacity and configuration to host the applications.

How:NDM can often automatically provision equivalent storage on the target based on the source configuration. This includes creating storage groups, volumes, and masking views that mirror the source.

Initiate data synchronization from the source to the target and cutover to make source array paths inactive so target array services all host I/O.

Why:This is the core of the migration process. Data is copied from the source to the target while the application continues to run. Cutover is the final step where I/O is redirected to the target array.

How:

Synchronization:Data is copied in the background.

Cutover:Once synchronization is complete, a brief cutover is performed. In a well-planned NDM, this cutover is designed to be within the I/O timeout limits of most applications.

Commit the necessary changes after the source to target data synchronization is complete and all application data has been migrated to the target.

Why:This step finalizes the migration and makes it permanent.

What it involves:The migration session is acknowledged and the configuration is finalized on the target array.

Remove the configured array-to-array connectivity for the data migration pathway on both storage arrays.

Why:After the migration is complete, the temporary connections used for data transfer between the arrays should be removed to free up resources and maintain a clean configuration.

What it involves:This typically means removing the FC zones or iSCSI settings that were configured specifically for the NDM process.

Step by Step Comprehensive Detailed Explanation:

The Port Attributes page in Unisphere for PowerMax allows storage administrators to configure various settings related to the front-end ports on the storage array. One of the functions available on this page isSelect Mgt Option.

This option allows you to specify how the port is used for management purposes:

Dedicated Management Port:You can designate a port as a dedicated management port, which is used exclusively for communication with management tools like Unisphere and Solutions Enabler.  

Shared Management Port:You can configure a port to be shared for both management traffic and host I/O traffic.

This flexibility allows you to optimize port usage and segregate management traffic if needed.

Why other options are incorrect:

A. Manage Protocol:Protocol settings (like FC or iSCSI) are typically configured elsewhere in Unisphere, not on the Port Attributes page.

C. Volume Set Addressing:Volume Set Addressing is a feature related to mainframe connectivity and is not directly managed through the Port Attributes page.

D. ORS Ceiling:ORS (Open Replicator Solutions) settings are managed separately and not through the Port Attributes page.

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

Dell Unisphere for PowerMax 10.0.0 Online Help:The online help for Unisphere provides detailed information about the Port Attributes page and the available configuration options, including the "Select Mgt Option" function. You can access this help within Unisphere itself or on the Dell Support website.

Dell PowerMax Family: Essentials and Best Practices Guide:This guide may offer general information about port management and configuration in PowerMax.

Step by Step Comprehensive Detailed Explanation:

Solutions Enabler (SE) uses various daemons (background processes) to perform different functions. The storstpd daemon is specifically responsible for:

Collecting Performance Statistics:It gathers performance data from the connected storage arrays, such as I/O rates, response times, and other metrics.

Managing Performance Data:It stores and manages the collected performance statistics, making them available for monitoring and analysis through tools like Unisphere for PowerMax.

This data is crucial for understanding the performance of the storage arrays, identifying potential bottlenecks, and optimizing storage resources.

Why other options are incorrect:

B. Coordinates storage array locks and application syscalls:This is the function of the storapid daemon.

C. Starts the system watchdog timer periodically:This is not directly related to the storstpd daemon.

D. Performs remote Solutions Enabler API functions:This is typically handled by the storsrvd daemon.

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

Dell Solutions Enabler 10.0.0 CLI User Guide:This guide provides information about the different daemons used by Solutions Enabler and their roles. You can find this document on the Dell Support website by searching for "Solutions Enabler CLI User Guide."

Step by Step Comprehensive Detailed Explanation:

The Dell VSI (Virtual Storage Integrator) vSphere plug-in is a tool that integrates Dell storage management capabilities into the VMware vSphere environment. It allows administrators to manage storage directly from the vSphere client. Within the "Configure Storage" section of the VSI plug-in, you can manage:  

Snapshots:The plug-in allows you to create, delete, and restore snapshots of virtual machines' storage volumes. This provides a convenient way to protect data and revert to previous states if needed.

Why other options are incorrect:

A. Remote replication:While PowerMax supports remote replication (SRDF), this is typically managed through Unisphere or Solutions Enabler, not the VSI plug-in.  

B. Port flags:Port configurations are usually handled through Unisphere or Solutions Enabler.

C. Access control:Access control and security settings are typically managed through Unisphere or other security tools.

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

Dell PowerMax and VMware vSphere Configuration Guide:This guide provides detailed information about the Dell VSI vSphere plug-in and its functionalities, including snapshot management. You can find this document on the Dell Support website by searching for "PowerMax and VMware vSphere Configuration Guide."

Dell VSI for VMware vSphere User Guide:This guide specifically focuses on the VSI plug-in and its features, including storage configuration options.

1.view old HBA WWN

2.swap out the old HBA

3.Discover the WWN

4.Use the replace action

5.Use the rename action