Exam: D-PVM-OE-01
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Certification Overview
This certification benefits any professional managing, administrating and
configuring PowerMax Family storage arrays in an open system environment. The
certification focuses on configuration and business continuity administration of
PowerMax Family storage arrays. Non-disruptive Migration (NDM) and
Open-Minimally Disruptive migration (O-MDM) to PowerMax Family arrays are also
covered. Managing configuration changes, TimeFinder SnapVX, SRDF, and NDM using
SYMCLI and Unisphere for PowerMax are assessed.
Certification Requirements
To successfully complete this certification, a candidate must:
1. Have a sufficient knowledge base/skill set through hands-on product
experience and/or by consuming the Recommended Training.
2. Pass the Dell PowerMax Operate Version 2 Exam.
Note: These details reflect certification requirements as of September 18,
2024.
The Proven Professional Program periodically updates certifications to
reflect technical currency and relevance. Please check the Proven Professional
website regularly for the latest information.
Exam Overview
This exam focuses on configuration and business continuity administration of
PowerMax Family storage arrays in open systems environments. Data Mobility, Non-
disruptive Migration (NDM) and Open-Minimally Disruptive migration (O-MDM), to
PowerMax Family arrays is also covered. Managing configuration changes,
TimeFinder SnapVX and SRDF using SYMCLI and Unisphere for PowerMax is assessed.
Products
Products likely to be referred to on this exam include but are not limited
to:
PowerMax with PowerMaxOS 5978
Solutions Enabler 10
Unisphere for PowerMax 10
TimeFinder SnapVX
SRDF
Open Replicator
Data Mobility (NDM and O-MDM)
Dell Switches
Exam Topics
Topics likely to be covered on this exam include:
PowerMax Family Storage Provisioning 24%
Describe PowerMax family models and system architecture.
Describe PowerMax family configurations.
Explain PowerMax family port management.
Explain PowerMax family device management.
Perform service level-based provisioning using Unisphere for PowerMax.
Perform storage allocation using auto-provisioning groups.
PowerMax Family Monitoring and Workload Planning 10%
Explain how monitoring of storage environment is performed using Unisphere
for PowerMax.
Perform monitoring of storage environment in Unisphere for PowerMax.
Explain how Workload Planning is performed using Unisphere for PowerMax.
PowerMax Family Management in a Virtual Environment 4%
Describe vSphere and VSI features.
Perform monitoring of virtual environment using Unisphere for PowerMax.
PowerMax Family Local and Remote Replication Concepts 10%
Describe TimeFinder SnapVX features.
Compare SnapVX snapshots and clones.
Describe SRDF features and topologies.
PowerMax Family Business Continuity Administration 20%
Perform TimeFinder SnapVX operations using Unisphere for PowerMax.
Perform TimeFinder Clone operations using Unisphere for PowerMax.
Describe SRDF operations.
Perform SRDF operations using Unisphere for PowerMax and SYMCLI.
Unisphere for PowerMax 10 Implementation and Administration 8%
Explain Unisphere for PowerMax installation process and Unisphere
post-installation tasks.
Describe how to navigate the Unisphere for PowerMax interface.
Perform the administration tasks using Unisphere for PowerMax.
Solutions Enabler 10 Implementation 10%
Describe Solutions Enabler concepts.
Explain Solutions Enabler Installation and Upgrade process.
Explain Gatekeeper management.
Describe the functions of and supported platforms of commonly used Solutions
Enabler daemons.
PowerMaxOS 10 Data Mobility 12%
Describe Data Mobility features.
Describe Non-Disruptive Migration features and benefits.
Perform Non-Disruptive Migrations using Unisphere for PowerMax.
Explain how Minimally Disruptive Migrations are performed using SYMCLI.
Perform O-MDM Migration session operations using Unisphere for PowerMax and
SYMCLI.
The percentages after each topic above reflects the approximate distribution of
the total question set across the exam.
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QUESTION 1
What are two characteristics of a SnapVX Linked Target?
A. They are read writable (R/W).
B. They support a maximum of 1024 snaps per volume
B. They cannot send data to SRDF
C. They can be made secure
Answer: AC
Explanation:
Step by Step Comprehensive Detailed
SnapVX Linked Targets: SnapVX is a snapshot technology used in Dell PowerMax
storage arrays. A
linked target is a volume that provides read/write access to a specific
point-in-time copy (snapshot) of a source volume.
Read/Write Access: Unlike traditional snapshots, which are typically read-only,
SnapVX linked targets
allow modifications. This makes them suitable for use cases like testing,
development, and data
analysis where changes need to be made to a copy of the data without affecting
the original source.
Secure Snapshots: SnapVX offers the capability to create "secure snapshots."
These snapshots are
write-protected and prevent any modifications or deletion, ensuring data
integrity and protection
against accidental or malicious changes.
Why other options are incorrect:
B . They support a maximum of 1024 snaps per volume: This is partially correct.
While a source
volume can have up to 1024 snapshots, this limit includes all types of snapshots
(manual,
automated, and legacy), not just linked targets.
B . They cannot send data to SRDF: This is incorrect. SnapVX linked targets can
participate in SRDF
(Symmetrix Remote Data Facility) replication, allowing for disaster recovery and
data mobility.
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, link,
and manage
snapshots. It confirms the read/write capability of linked targets and the
ability to create secure
snapshots. 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 highlights the benefits
of SnapVX linked
targets for various use cases. You can find this document on the Dell Support
website by searching for
"PowerMax Family Essentials and Best Practices Guide."
QUESTION 2
Which three device types can be managed using Solutions Enabler and Unisphere?
A. SRDF Thin Devices (RDF1 or RDF2)
B. Thin BCV Devices (BCV+TDEV)
C. Internal Thin Devices (Int+TDEV)
D. Data Devices (TDATs)
E. Thin Devices (TDEV)
Answer: ACE
Explanation:
Step by Step Comprehensive Detailed
Dell PowerMax storage arrays utilize different device types for various
purposes. Solutions Enabler
(SYMCLI) and Unisphere for PowerMax are management tools that can interact with
these device
types. Here's a breakdown:
SRDF Thin Devices (RDF1 or RDF2): These devices are specifically used for SRDF (Symmetrix
Remote
Data Facility) replication. RDF1 devices represent the local copy of data in an
SRDF relationship, while
RDF2 devices represent the remote copy. Both Solutions Enabler and Unisphere can
manage these
devices to configure and monitor SRDF replication.
Internal Thin Devices (Int+TDEV): These are thin provisioned devices that reside
within the
PowerMax storage array. They are used for general storage purposes and can be
managed by both
Solutions Enabler and Unisphere for tasks like provisioning, allocating
capacity, and monitoring
performance.
Thin Devices (TDEV): This is a general term for thin provisioned devices in
PowerMax. Thin
provisioning allows for efficient storage utilization by allocating capacity on
demand. 1 Both
Solutions Enabler and Unisphere can manage these devices.
https://www.n-able.com/blog/thin-provision-vs-thickprovision#:~:
text=Thin%20provisioning%20allocates%20disk%20space,need%20at%20any%20given%20time.
https://www.n-able.com/blog/thin-provision-vs-thickprovision#:~:
text=Thin%20provisioning%20allocates%20disk%20space,need%20at%20any%20given%20time.
Why other options are incorrect:
B . Thin BCV Devices (BCV+TDEV): BCV (Business Continuance Volume) devices are
used for creating
point-in-time copies for disaster recovery. While Solutions Enabler can manage
BCV devices,
Unisphere for PowerMax has limited functionality for managing them directly.
D . Data Devices (TDATs): TDATs are physical devices within the PowerMax array.
While Solutions
Enabler can interact with TDATs at a lower level, Unisphere for PowerMax
primarily focuses on
managing logical devices and storage groups.
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
PowerMax devices and their management. It mentions the different device types
and how they are
used in the PowerMax environment.
Dell Solutions Enabler 10.0.0 CLI User Guide: This guide provides detailed
information about
Solutions Enabler commands for managing various device types, including SRDF
devices, thin
devices, and internal devices.
Dell Unisphere for PowerMax 10.0.0 Online Help: The online help documentation
for Unisphere for
PowerMax explains how to manage different device types through the graphical
user interface,
including provisioning, monitoring, and configuring storage.
QUESTION 3
DRAG DROP
Place the steps in the correct order for performing a Non-Disruptive Migration
Answer:
Explanation:
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.
QUESTION 4
What are two characteristics of a SnapVX Clone?
A. Maximum 1024 snaps per volume
B. Can be made secure
C. Restores directly to the source volume
D. Is Read-only
E. Can be made crash consistent
Answer: BE
Explanation:
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.
QUESTION 5
Your organization is planning to expand its data center capacity and must
configure a new PowerMax 2500 system.
The goal is to ensure high performance and sea abi ity Whi e maintaining
redundancy
Which configuration option is specific to the PowerMax 2500 system?
A. Supports up to 16 nodes
B. Supports up to 1 5 PB of effective capacity
C. Scales from one to a maximum of two node pairs
D. Uses Storage Class Memory
Answer: C
Explanation:
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.
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