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EMC D-PVM-OE-01 Exam Syllabus Topics:
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NEW QUESTION # 25
When creating SRDP groups, what is always identical on both the participating arrays?
- A. Port speed
- B. SRDF Directors
- C. Name of the SRDF group
- D. SRDF group number
Answer: D
NEW QUESTION # 26
What is a recommendation when using Open Replicator to migrate data from a supported third-party array to a VMAX3 array?
- A. Host I/O to the remote devices on the third-party array can continue during the migration
- B. Control devices on the VMAX3 array must be set to Not Ready for the duration of the migration
- C. Host I/O to the control devices on the VMAX3 array is allowed after the migration completes
- D. Host I/O to the remote devices on the third-party array should be stopped for the duration of the migration
Answer: D
NEW QUESTION # 27
What input is required when registering an ESXi server in Unisphere for PowerMax?
- A. Unisphere credentials and hostname
- B. IP address and hostname
C IP address and ESXi server credentials - C. ESXi server credentials and Unisphere credentials
Answer: C
Explanation:
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 can find 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.
NEW QUESTION # 28
What are the Compliance levels tor Storage Groups in Unisphere for PowerMax?
- A. Fatal. Critical. Stable, and No Status
- B. Fatal Critical Warning, and No Status
- C. Critical, Marginal. Warning, and No Status
- D. Critical, Marginal. Stable, and No Status
Answer: D
NEW QUESTION # 29
A Storage Group is serving host read/write I/O. The Storage Administrator started an MDM migration and ran a symdm sync -stop command, putting the migration in a CutoverNoSync migration state Where does the customer data in the Storage Group reside?
- A. Only the target array
- B. On both the source and the target array
- C. Only on the source array
Answer: B
Explanation:
Step by Step Comprehensive Detailed Explanation:
In an MDM (Migration for Dell EMC) migration, data is moved from a source array to a target array. When the symdm sync -stop command is issued, it puts the migration into the CutoverNoSync state. This state signifies that:
* Synchronization Stopped:Active data synchronization between the source and target arrays has been stopped.
* Data on Both Arrays:However, the customer data still resides onboththe source and target arrays. This is because the CutoverNoSync state is a transitional state that allows for a controlled cutover to the target array.
The next step would typically involve a cutover operation, where host access is switched to the target array, and the source array is removed from the migration configuration.
Why other options are incorrect:
* A. Only the target array:While the goal is to eventually have the data only on the target, in the CutoverNoSync state, data still exists on both arrays.
* B. Only on the source array:Data has already been partially or fully copied to the target array during the migration process.
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 symdm command and its various options, including the sync -stop command and the CutoverNoSync state. 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 may offer general information about data migration and the different states involved in the process.
NEW QUESTION # 30
SRDF/A has been enabled between two VMAX3 arrays. What will the RDF pair state be if there is a permanent loss of all RDF links?
- A. Consistent
- B. Suspended
- C. Partitioned
- D. Split
Answer: C
NEW QUESTION # 31
A host is connected to two PowerMax arrays with SRDF/Metro Host l/Os cannot be delivered across the SRDF link. The devices in the SRDF group have been forced into a Not Ready state to the host Which attribute is set on the SRDF group to cause this behavior?
- A. Local Link Domino
- B. Local Auto Link Recovery
- C. Limbo Period
- D. Update After Resume Link
Answer: B
NEW QUESTION # 32
Refer to the exhibit.
What is the topology shown1?
- A. SRDF/Metro
- B. Concurrent SRDF
- C. SRDF/Star
- D. Cascaded SRDF
Answer: D
Explanation:
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.
NEW QUESTION # 33
Which symrdf flag and operation allows new devices to be added to an active SRDF/A session without suspending the session?
- A. cons_exempt with the movepair operation
- B. establish with the movepair operation
- C. cons_exempt with the modifygrp operation
- D. establish with the resume operation
Answer: A
NEW QUESTION # 34
A host has LUNs assigned through a Masking View containing one regular Storage Group The Storage Group has the gold service level assigned One LUN requires a higher service level What is the correct sequence of steps required to assign the platinum service level to that LUN?
Answer:
Explanation:
NEW QUESTION # 35
On a PowerMax what is the correct sequence of steps to deduplicate data?
Answer:
Explanation:
NEW QUESTION # 36
How is the Host I/O served after running the Non-Disruptive Migration cutover command?
- A. Host I/O sent to the new storage system is replicated to the old storage system using SRDF Pass- Through
- B. Host I/O is sent only to the new storage system and replicated to the old storage system using SRDF/S
- C. Host I/O sent to the old storage system is replicated to the new storage system using SRDF Pass- Through
- D. Host I/O is sent only to the old storage system and replicated to the new storage system using SRDF/S
Answer: C
NEW QUESTION # 37
Two RDF groups from two PowerMax arrays have been added to a Consistency Group SRDF/A Multi- Session Consistency has been enabled for the Consistency Group. The RDF daemon has been started on a single host that has access to both the PowerMax arrays What will happen if the host becomes unavailable?
- A. RDF links will be suspended immediately
- B. Cycle switching will stop
- C. SRDF mode will change to Adaptive Copy Disk
- D. SRDF pair state will become Partitioned
Answer: B
NEW QUESTION # 38
A customer has an existing host with two 100 GB volumes that are assigned from existing PowerMax storage.
They would like to add three additional volumes of 100 GB each and change the service level that is assigned to the storage group from Gold to Platinum to support the current application SLO requirements.
Answer:
Explanation:
See the explanation for step by step solution.
Explanation:
You want a detailed, step-by-step guide on how to add three 100 GB volumes to an existing host and change the service level of the associated storage group from Gold to Platinum on a PowerMax array, using the Unisphere for PowerMax interface shown in the image.
Here's a comprehensive guide, broken down into manageable steps:
Phase 1: Provisioning the New Volumes
Step 1: Log in to Unisphere for PowerMax
* Open your web browser and enter the URL for your Unisphere for PowerMax management interface.
* Log in with your administrator credentials.
Step 2: Navigate to Storage Groups
* In the left-hand navigation pane, click onStorageto expand the storage management section.
* Click onStorage Groupsunder the Storage section. This will display a list of existing storage groups on your PowerMax array.
Step 3: Locate the Target Storage Group
* Identify the storage group that currently contains the host's existing two 100 GB volumes.
* Tip:You can find this by:
* Looking at the "Hosts" tab within each storage group's details. It will list the hosts connected to that storage group.
* If you know the host's name, you might be able to search for it using the Unisphere search bar (if available).
Step 4: Initiate Adding Volumes
* Once you've found the correct storage group, select it by clicking on its name.
* Look for a button or option related to adding volumes. The exact wording might vary slightly depending on your Unisphere version, but it could be:
* "Add to Storage Group"
* "+"(a plus icon, which often signifies adding something)
* "Add Volumes"
* Click this button to start the process of adding new volumes to the storage group.
Step 5: Configure Volume Details
* A new window or panel will appear, allowing you to specify the characteristics of the new volumes.
* Select "Create new volumes"
* Number of Volumes:Enter 3 in the field for the number of volumes.
* Capacity:Enter 100 in the field for the capacity of each volume. Make sure the unit is set to GB.
* Volume Name (Optional):You can give the volumes a specific name or prefix, or you can let Unisphere auto-generate names.
* Service Level:Since the final goal is to move the entire Storage Group to platinum, you can either set this to platinum now or change it for the whole group later.
* Other Settings:Review any other available settings (e.g., thin provisioning, data reduction). In most cases, the default settings should be fine, but adjust them if needed based on your environment's best practices.
Step 6: Execute Volume Creation
* After you've configured all the volume settings, review them carefully to make sure they are correct.
* Click the button to execute the operation. This button might be labeled:
* "Run Now"
* "OK"
* "Finish"
* "Apply"
* Unisphere will start creating the new volumes. This might take a few moments.
Phase 2: Changing the Storage Group's Service Level
Step 7: Navigate Back to Storage Groups
* Once the volume creation is complete, go back to the list of storage groups. You can usually do this by clicking "Storage Groups" in the left-hand navigation pane again.
Step 8: Select the Target Storage Group
* Find the same storage group you worked with in Phase 1 (the one containing the host's volumes).
* Click on the storage group's name to open its properties.
Step 9: Modify the Service Level
* Look for a setting related to the "Service Level." It might be a dropdown menu, a field you can edit, or a link to a separate settings page.
* Change the Service Level fromGoldtoPlatinum.
Step 10: Save the Changes
* Click the button to save the changes to the storage group's service level. This button might be labeled:
* "Apply"
* "Save"
* "OK"
Phase 3: Host-Side Configuration
Step 11: Rescan for New Storage on the Host
* The host needs to be made aware of the newly provisioned storage. The exact process for this depends on the host's operating system:
* Windows:
* OpenDisk Management(diskmgmt.msc).
* Go toAction > Rescan Disks.
* Linux:
* Identify the SCSI host bus numbers (e.g., ls /sys/class/scsi_host).
* Use the command echo "- - -" > /sys/class/scsi_host/hostX/scan, replacing hostX with the appropriate host bus number.
* You might also be able to use tools like rescan-scsi-bus.sh.
* VMware ESXi:
* In the vSphere Client, select the host.
* Go toConfigure > Storage Adapters.
* Select the relevant storage adapter (e.g., your HBA).
* ClickRescan Storage.
Step 12: Initialize, Partition and Mount (if needed):
* Once the host detects the new volumes, you'll need to initialize them, create partitions, format them with a filesystem, and mount them, depending on your operating system and how you intend to use the storage. This is done using the host's operating system tools.
Phase 4: Verification and Monitoring
Step 13: Verify in Unisphere
* Go back to the storage group in Unisphere and check the "Volumes" tab. You should see the three new
100 GB volumes listed along with the original two, and they should all have the "Platinum" service level.
Step 14: Verify on the Host
* Confirm that the host can see and access the new volumes.
Step 15: Monitor Performance
* After making these changes, monitor the performance of the storage group and the application using Unisphere's performance monitoring tools. Ensure that the Platinum service level is meeting your application's requirements
NEW QUESTION # 39
Which SYMCLI command can be used to create a new TDEV and assign it to a Storage Group in one step?
- A. symdev
- B. symsg
- C. symaccess
- D. symcfg
Answer: A
NEW QUESTION # 40
Your organization is preparing for a major software update, and it is crucial to ensure data integrity during this process. As a system administrator, create a secure snapshot named "Stor1" from the storage group
"StorGroup1." The snapshot cannot be deleted for two days to safeguard against any potential data loss during the update.
Using the simulator, complete the operation.
Answer:
Explanation:
See the explanation for step by step solution.
Explanation:
We need to create a secure snapshot named "Stor1" from the storage group "StorGroup1" in the Unisphere for PowerMax simulator, and the snapshot should be protected from deletion for two days.
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 Storage Groups 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).
* In the left-hand navigation pane, click onStorageand then selectStorage Groups.
2. Locate and Select "StorGroup1"
* In the Storage Groups view, you'll see a list of all storage groups on the array.
* Find the storage group named "StorGroup1".
* Click on the name "StorGroup1" to open its details view.
3. Initiate the Snapshot Creation Process
* Within the "StorGroup1" details view, look for an option related to creating snapshots or protecting the storage group. This might be a button labeled:
* "Protect"
* "Create Snapshot"
* "SnapVX"
* Or an icon representing snapshot creation.
* Click the appropriate button or icon to start the snapshot creation process.
4. Configure Snapshot Settings
* A new window or panel will appear, allowing you to configure the snapshot settings.
* Snapshot Name:Enter Stor1 as the snapshot name.
* Snapshot Technology:SelectSnapVX(or a similar option) as the snapshot technology.
* Secure Snapshot:This is crucial. Look for an option labeled "Secure Snapshot," "Enable Secure Snap,"
"Secure Snap," or something similar.Check this option.
* Retention/Expiration:You need to set the retention period for the secure snapshot. This will define how long the snapshot cannot be deleted. There are usually a few ways to configure this:
* Expiration Time:Set an explicit expiration date and time that is two days from now.
* Retention Period:Specify a retention period of 2 days.
* No Expiry:This option is not what we want here. We want the snap to be secure for 2 days.
* Choose the appropriate option to make the snapshot undeletable for two days.
* Other Settings:Review any other available settings. You might be able to choose between creating a new snapshot or linking to an existing one. Select the option to create anew snapshot.
5. Create the Snapshot
* After configuring all the snapshot settings, review them carefully to ensure they are correct.
* Click the button to create the snapshot. This button might be labeled:
* "Run Now"
* "OK"
* "Create"
* "Finish"
6. Verify Snapshot Creation (Optional)
* After the snapshot creation operation completes, you can verify that the snapshot was created successfully:
* Go back to the "StorGroup1" details view.
* Look for a tab or section related to snapshots (e.g., "Snapshots," "TimeFinder," "Local Replication").
* You should see the "Stor1" snapshot listed there, and its status should indicate that it's a secure snapshot with the correct retention period (2 days).
NEW QUESTION # 41
A systems administrator wants to move an application to VMAX3 storage. The application being migrated has no performance information available, including response time and average I/O size.
Based on Dell Technologies' recommendations, which service level should be assigned?
- A. Bronze
- B. Optimized
- C. Diamond
- D. Gold
Answer: B
NEW QUESTION # 42
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