EMC D-PVM-OE-01 Dumps

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:

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.

Step by Step Comprehensive Detailed Explanation:

Non-Disruptive Migration (NDM) in PowerMax offers different modes for migrating data between storage arrays. When migrating from a VMAX array running Enginuity 5876 to a PowerMax running PowerMaxOS 5978, theAdaptive Copymode is used.

Adaptive Copy mode is designed for migrations between different storage array platforms or microcode versions. It provides flexibility and efficiency by dynamically adjusting the migration process based on the source and target array capabilities.

Why other options are incorrect:

A. Asynchronous:This mode is typically used for SRDF replication, not NDM.

C. Pass-through:This mode is not relevant to NDM.

D. Metro-based:This mode is used for specific metro distance configurations in SRDF.

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 NDM and its different modes, including Adaptive Copy. It also discusses the scenarios where each mode is applicable.

Dell Solutions Enabler 10.0.0 CLI User Guide:This guide may provide further details about NDM commands and options, including how to specify the migration mode.

Step by Step Comprehensive Detailed Explanation:

In SRDF (Symmetrix Remote Data Facility), an "update" operation refers to a specific process where changes made on the target (R2) side are copied back to the source (R1) side. This is typically used in disaster recovery scenarios where:

Failover:A failover occurs, and the target (R2) becomes the active production site.

Data Modification:Data is modified or updated on the target (R2) while it's acting as the primary.

Update Operation:An "update" is initiated to synchronize the changes from the target (R2) back to the source (R1), ensuring that the source has the latest data.

This process is crucial for maintaining data consistency and ensuring a smooth transition back to the original production site after a failover event.

Why other options are incorrect:

A. process to retain the data on the target R2 side:This is not specific to an "update" operation. Data retention on the target is a general aspect of SRDF.

B. A process used to return to the original production site after a failover event:While an "update" is part of the failback process, it's not the entire process itself. Failback involves other steps like reversing replication direction and restoring host access.

D. A process that allows separate hosts to access the same data independently:This describes a different SRDF configuration (like Active/Active) and is not related to the "update" operation.

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

Dell Solutions Enabler 10.0.0 SRDF Family CLI User Guide:This guide provides detailed information about SRDF commands and operations, including the symrdf update command used to initiate an update from R2 to R1. You can find this document on the Dell Support website by searching for "Solutions Enabler SRDF Family CLI User Guide."

Dell PowerMax Family: Essentials and Best Practices Guide:This guide offers a comprehensive overview of SRDF and its functionalities, including disaster recovery scenarios and the use of the "update" operation.

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:

To register an ESXi server in Unisphere for PowerMax, you need to provide the following information:

IP Address:The IP address of the ESXi server that you want to manage. This allows Unisphere to communicate with the ESXi host.

ESXi Server Credentials:The username and password of an account with sufficient privileges to access and manage the ESXi server. This ensures that Unisphere has the necessary permissions to perform storage-related operations on the ESXi host.

Why other options are incorrect:

A. Unisphere credentials and hostname:Unisphere credentials are used to log in to Unisphere itself, not to register an ESXi server.

B. IP address and hostname:While the hostname might be helpful, the ESXi server credentials are essential for authentication and authorization.

D. ESXi server credentials and Unisphere credentials:Unisphere credentials are not required for registering an ESXi server.

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

Dell PowerMax and VMware vSphere Configuration Guide:This guide provides detailed instructions on how to register and manage ESXi servers in Unisphere for PowerMax. You canfind this document on the Dell Support website by searching for "PowerMax and VMware vSphere Configuration Guide."

Dell Unisphere for PowerMax 10.0.0 Online Help:The online help for Unisphere might also provide guidance on registering ESXi servers.

Step by Step Comprehensive Detailed Explanation:

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 is255. 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.

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 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.

Step by Step Comprehensive Detailed Explanation:

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.

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 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.

We need to terminate a clone session for the storage group named "DATA" in the Unisphere for PowerMax simulator.

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

Steps:

1. Launch the Simulator and Navigate to the TimeFinder/Clone Section

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 provided image).

In the left-hand navigation pane, locate the section related to TimeFinder operations. This is usually found under:

Data Protection

Local Protection

TimeFinder

Expand the relevant sections and click onTimeFinder SnapVXorTimeFinder Clone(the exact wording might vary slightly in the simulator). The goal is to get to the view where you can manage clone sessions.

2. Locate the Clone Session for the "DATA" Storage Group

The TimeFinder/Clone view will display a list of existing clone sessions.

You need to find the session associated with the "DATA" storage group. Look for the following:

Storage Group Name:The "DATA" storage group should be listed as the source of the clone session.

Session Type/Mode:Verify that it's a Clone session (not a SnapVX snapshot or another type of session).

3. Select the Clone Session

Once you've found the correct clone session for the "DATA" storage group, select it.

You can usually do this by:

Clicking a checkbox next to the session.

Clicking on the session itself (if the interface allows it).

4. Terminate the Clone Session

After selecting the clone session, look for an action button or menu option to terminate it. This might be labeled:

"Terminate"

"Delete"

"Remove"

"Fracture"(in some older versions)

"Stop"

Click the appropriate button to initiate the termination process.

Confirmation:You will likely be prompted with a confirmation message to ensure you want to terminate the selected clone session. Verify that you have selected the correct session (the one for the "DATA" storage group) and confirm the termination.

Step by Step Comprehensive Detailed Explanation:

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.

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 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.

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.

The storsrvd daemon is a critical component of the Solutions Enabler (SYMCLI) software suite used to manage Dell PowerMax and VMAX storage arrays. Its primary function is to:

Listen for SYMAPI Sessions:It acts as a communication endpoint, listening for incoming SYMAPI sessions from clients or management tools like Unisphere.

Handle Management Requests:When a client connects, storsrvd receives and processes SYMAPI commands and requests, forwarding them to the appropriate components within Solutions Enabler for execution.

Essentially, storsrvd acts as an intermediary between SYMCLI clients and the storage array, facilitating communication and management operations.

Why other options are incorrect:

A. Manages Composite Groups and Device Groups:This is handled by other components within Solutions Enabler.

B. Provides centralized gatekeeper device management:While storsrvd plays a role in device management, it's not the sole component responsible for it.

C. Provides replication consistency protection:This is a function of SRDF (Symmetrix Remote Data Facility) and related components.

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 architecture and components of Solutions Enabler, including the role of the storsrvd daemon in handling SYMAPI communication. You can find this document on the Dell Support website by searching for "Solutions Enabler CLI User Guide."

Step by Step Comprehensive Detailed Explanation:

SRDF/Metro is a high-availability solution that provides synchronous replication between two storage arrays located within a metropolitan distance. It utilizes a witness to prevent data loss in the event of a split-brain scenario (where communication between the arrays is lost).

In SRDF/Metro, there can be onlyoneWitness Group defined between two specific arrays. This Witness Group manages the witness device that acts as a tie-breaker in case of a communication failure between the arrays.

Since the exhibit shows that SRDF/Metro has already been configured between the two arrays using a physical witness, the option to create another SRDF/Metro Witness Group is grayed out because a Witness Group already exists for that pair of arrays.

Why other options are incorrect:

B. SRDF/Metro Witness Groups can only be created with CLI:While CLI can be used, Witness Groups can also be created through Unisphere for PowerMax.

C. The SRDF Group Label needs to be left blank when creating an SRDF/Metro Witness Group:This is not a requirement. Witness Groups can have labels.

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

Dell Solutions Enabler 10.0.0 SRDF Family CLI User Guide:This guide provides detailed information about SRDF/Metro configuration, including the role of the witness and the Witness Group. You can find this document on the Dell Support website by searching for "Solutions Enabler SRDF Family CLI User Guide."

Dell PowerMax Family: Essentials and Best Practices Guide:This guide offers a comprehensive overview of SRDF/Metro and its functionalities, including witness configuration and best practices.

Step by Step Comprehensive Detailed Explanation:

When you install Unisphere for PowerMax on a Microsoft Windows host, it installs several services necessary for its operation. The two primary services that are active after installation are:

SMAS (Storage Management Agent Service):This service is responsible for communication between the Unisphere server and the PowerMax storage array. It handles tasks like collecting data, sending commands, and receiving alerts from the array.

smasdb:This service manages the local database used by Unisphere for storing configuration information, performance data, and other relevant information.

Why other options are incorrect:

A. SYMAPI and symrdfg:SYMAPI is a command-line interface tool, not a service. symrdfg is a service related to SRDF (Symmetrix Remote Data Facility) replication, which may not be active if SRDF is not configured.

B. SMASandGNS:GNS is not a standard service associated with Unisphere for PowerMax.

C. SMASandSTP:STP is not a standard service associated with Unisphere for PowerMax.

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

Dell Unisphere for PowerMax 10.0.0 Installation Guide:This guide provides detailed instructions for installing Unisphere for PowerMax on different operating systems, including Windows. It also lists the services that are installed and their functions. You can find this document on the Dell Support website by searching for "Unisphere for PowerMax Installation Guide."

Dell Unisphere for PowerMax 10.0.0 Online Help:The online help documentation for Unisphere may also provide information about the services it uses and their roles.

Step by Step Comprehensive Detailed Explanation:

The topology shown in the exhibit depictsCascaded SRDF. This SRDF configuration involves three storage arrays (or sites) connected in a chained or cascaded manner.

Here's how it works:

Primary Site (R1):The production host is connected to the primary storage array (R1).

Intermediate Site (R2):The primary array (R1) synchronously replicates data to an intermediate array (R2).

Remote Site (R2):The intermediate array (R2) then asynchronously replicates data to a remote array (also labeled R2 in the diagram).

This cascading setup provides a multi-hop disaster recovery solution, where data is first replicated synchronously to a nearby site for high availability and then asynchronously replicated to a further remote site for disaster recovery.

Why other options are incorrect:

B. SRDF/Star:SRDF/Star involves a central array replicating to multiple remote arrays in a star-like pattern.

C. SRDF/Metro:SRDF/Metro is designed for synchronous replication over short distances, typically within a metropolitan area.

D. Concurrent SRDF:Concurrent SRDF allows multiple SRDF relationships to exist simultaneously for the same device.

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

Dell Solutions Enabler 10.0.0 SRDF Family CLI User Guide:This guide provides detailed information about different SRDF configurations, including Cascaded SRDF. You can find this document on the Dell Support website by searching for "Solutions Enabler SRDF Family CLI User Guide."

Dell PowerMax Family: Essentials and Best Practices Guide:This guide offers a comprehensive overview of SRDF and its functionalities, including various topologies and use cases.

Step by Step Comprehensive Detailed Explanation:

Solutions Enabler (SE) 10 introduces some changes to the output format of certain commands for better clarity and consistency. When querying a PowerMax 2000 (which is based on older VMAX architecture) using symcfg list -dir, you might encounter differences in the output compared to previous SE versions.

To ensure backward compatibility and see the output in the familiar format, you need to use the -mode v9x argument. This tells SE 10 to display the output in the style of SE 9.x, which is compatible with the PowerMax 2000.

Why other options are incorrect:

B. Look for CPU instead of Cores as these have been rebranded...:While there might be terminology changes, this is not the primary reason for the output difference.

C. Specify the full 12-digit serial number with -sid so SE 10 understands...:The serial number is not directly related to the output format.

D. Use syraconfigure -version -dir as in SE 10 support for outputs...:The syraconfigure command is not the correct command for this purpose.

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 symcfg command and its options, including the -mode argument for backward compatibility. You can find this document on the Dell Support website by searching for "Solutions Enabler CLI User Guide."

Step by Step Comprehensive Detailed Explanation:

In an SRDF (Symmetrix Remote Data Facility) disaster recovery scenario where production has been switched to the R2 devices at the target site, theResumeoperation allows the primary hosts to regain access to the R1 devices without waiting for a full data transfer from the R2 devices.

Here's how it works:

R1 Access:The Resume operation makes the R1 devices (at the primary site) accessible to the primary hosts.

Background Synchronization:While the hosts access and modify data on the R1 devices, SRDF continues to synchronize the changes from the R2 devices (at the target site) in the background. This ensures that the R1 devices are gradually updated with any changes that occurred on the R2 devices during the failover.

This approach minimizes downtime and allows for a quicker return to the primary site without waiting for a lengthy synchronization process to complete before granting host access.

Why other options are incorrect:

A. Update:This operation copies changes from R2 to R1, but it doesn't necessarily grant immediate host access to R1.

B. Fallback:This is a more comprehensive process that involves reversing replication direction and fully restoring the primary site as the production environment.

C. Failover:This operation switches production to the R2 devices, not the R1 devices.

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

Dell Solutions Enabler 10.0.0 SRDF Family CLI User Guide:This guide provides detailed information about SRDF commands and operations, including the symrdf resume command. You can find this document on the Dell Support website by searching for "Solutions Enabler SRDF Family CLI User Guide."

Dell PowerMax Family: Essentials and Best Practices Guide:This guide offers a comprehensive overview of SRDF and its functionalities, including disaster recovery scenarios and the use of the "Resume" operation.

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.

Step by Step Comprehensive Detailed Explanation:

Unisphere for PowerMax provides a "System > Hardware" view that offers insights into the physical components of your PowerMax storage array. On newly installed 2000 and 8000 series arrays, this view would typically show information about:

Front-end directors:These directors handle host connectivity and data transfer to and from the array. The view would likely display details about the number of front-end directors, their types, and their status.  

Back-end directors:These directors manage the connection to the physical disks (storage media) within the array. The view may show the number of back-end directors, their types, and their status.

RDF (Remote Data Facility):If the array is configured for SRDF replication, the hardware view might display information about the RDF directors or components responsible for managing remote replication.

Why other options are incorrect:

A. Capacity, performance, and protection:While these are important aspects of a PowerMax system, they are typically found in other sections of Unisphere, such as the "Dashboard" or "Storage" views.

B. Provision, protect and set host I/O limits:These are management functions accessible through Unisphere, but not typically displayed directly under the "System > Hardware" view.

D. I/O Profile, performance thresholds, and anomaly detection:These are related to performance monitoring and analysis, which are usually found in the "Performance" section 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 detailed information about the different views and functionalities available within the tool. 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 PowerMax systems and their management using Unisphere. It may provide context for understanding the information displayed in the "System > Hardware" view.