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Dell Midrange Storage Solutions Design 2023 > Random Miscellaneous Questions > Flashcards

Random Miscellaneous Questions Flashcards

1
Q

A customer site has four NAS servers participating in MetroSync replication. Which Dell EMC Unity feature could reduce failover times?

A

Cabinet Failover

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2
Q

You are upgrading a Dell EMC Unity array to a Dell EMC PowerStore 1000 T array. The customer asks what they need to do so they can map PowerStore snapshots from the new PowerStore array to a host.
What should be your response?

A

Create a thin clone of the snapshot

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3
Q

When enabling a multi-protocol NAS implementation on a Dell EMC PowerStore array, what is required for an end-to-end mapping of a Windows system?

A

Security ID (SID)

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4
Q

What storage resources are affected with a refresh option on a Dell EMC PowerStore array?

A

Thin clones and volumes only

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5
Q

What is a consequence of using an 800 GB drive and five 400 GB drives in a Dell EMC Unity XT dynamic pool?

A

Extents 9 - 14 are marked unavailable until more 800 GB drives are added

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6
Q

A Dell EMC Unity storage administrator needs to build a NAS server configuration to support failover between SPs and NAS resources. What is a term for this configuration?

A

LACP

Virtual Network Support
* Creating an FSN and/or
LACP trunk will create the
same configuration on both
SPs.
– This is needed to support
failover between SPs or NAS
resources.

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7
Q

You are designing a Dell EMC PowerStore solution with a customer. They ask if they can populate Slots 0 to 10 with NVMe SSD drives.
What should be your response?

A

NVMe SSDs must be populated in the remaining empty slots

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8
Q

What is the purpose of the NVMe NVRAM drives in a Dell EMC PowerStore 9000 array?

A

Write cache and vaulting

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9
Q

When a remove replication operation is performed on a Dell EMC PowerStore array, what happens to the destination storage resource?

A

Stays in read-only mode

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10
Q

Which Dell EMC Unity storage array models support NVMe?

A

680, 680F, 880, and 880F

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11
Q

Which QoS options are supported by Dell EMC Unity XT?

A

Individual LUN and Group LUN

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12
Q

At what granularity are blocks deduplicated on a Dell EMC PowerStore array?

A

4KB

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13
Q

Which Dell EMC tool uses an HTML5 interface and best practices to predict storage performance?

A

Unity Sizer

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14
Q

A customer wants to know which redundancy features are native in Dell EMC Unity storage systems. Which information should be provided to the customer?

A

Dual data ports on drives

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15
Q

You are designing a Dell EMC Unity solution that uses external key management to provide data security to an array at a remote site. Which encryption key is held in the KMIP server and is required for the Unity boot?

A

Store Ignition Key

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16
Q

A customer is creating a replication rule for Dell EMC PowerStore Data Services. They need to guarantee that data is protected in case of a failure. What is the lowest acceptable RPO setting should they use?

A

5 minute

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17
Q

Which Dell EMC Unity feature provides file data isolation by using VLAN tagging?

A

IP Multi-tenancy

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18
Q

You have a customer with 110 VAC (low line) power. They want to purchase a Dell EMC PowerStore array. What should you advise the customer?

A

They must provide 220 - 240 VAC power or use step-up transformers for the array

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19
Q

You are designing a Dell EMC Unity solution for a customer who has a host running a database application requiring multiple LUNs. Which Unity solution provides write-order consistent images of the LUNs to be used for backup?

A

Snapshots of a Consistency Group

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20
Q

To which bus is the Dell EMC Unity 880F DPE connected?

A

0

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21
Q

In Dell EMC PowerStore storage, if the remote cluster has multiple appliances, then what automatically chooses the destination appliance for the resource?

A

Performance Policy

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22
Q

What is a feature of Dell EMC Unity unified snapshots?

A

Redirect on Write

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23
Q

How can skew affect the design of a Dell EMC Unity system?

A

Skew can help to optimize performance.

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24
Q

When designing a Dell EMC Unity 550F, what is the maximum number of enclosures and drive slots per bus?

A

10 enclosures and 250 drive slots

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25
Q

You are designing a solution for a customer who is sensitive to capacity needs. In addition, they require low latency for large write I/Os. Which Dell EMC midrange storage solution will meet the customer’s requirements?

A

Unity Hybrid: Striping RAID, Dedicated Pool, and Flash 2 drives on Tier 1

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26
Q

What is a characteristic of a Dell EMC Unity Consistency Group with active snapshots?

A

No LUNs can be added. No LUNs can be removed.

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27
Q

A customer wants to migrate a Dell EMC Unity x00/x50F file system to a new Dell EMC PowerStore cluster. How can this be done?

A

Import of the file storage resources is not supported

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28
Q

At which point is the Dell EMC Unity FAST Cache capacity reclaimed when a FAST Cache shrink operation is performed?

A

After all dirty pages are cleaned within a set of drives

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29
Q

A customer wants to expand a Unity 450F to include four 25-drive DAEs. Based on Dell EMC best practice, which cabling configuration should be recommended?

A

Duplicate the Tier 1 drive type

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30
Q

What component or feature is provided by both the Dell EMC PowerStore 1000T array and the Dell EMC Unity XT 380 Series array?

A

Unified System

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31
Q

Which feature controls the access to Dell EMC Unity storage resources using policies with throughput and bandwidth thresholds?

A

Quality of Service

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32
Q

A customer wants a solution that uses SAS Flash 3 drives with RAID 5 protection on a Dell EMC Unity 650F. What is the minimum number of drives and RAID width allowed when the pool is sized?

A

6 drives with a RAID width of 4+1

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33
Q

Which logical drives are reserved for the Dell EMC Unity operating system?

A

Drives 0 - 3 on only a 25-drive DPE model
Drives 1 - 4 on only a 12-drive DPE model

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34
Q

What are characteristics of D@RE on a Dell EMC Unity array?

A

Does not impact array during implementation

Has minimal impact on performance

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35
Q

What is the frequency with which capacity data is retrieved from Dell EMC Unity storage for use in the CloudIQ statistic?

A

1 hour

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36
Q

You are designing a Dell EMC Unity solution that will be used by an ISP. The ISP will share the system with several different customers for file storage. For security reasons, each customer must be segregated from each other?
Which feature provides this functionality?

A

IP Multi-tenancy

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37
Q

What is the maximum number of LUNs that can be associated with the Consistency Group?

A

50

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38
Q

A customer has a Dell EMC Unity XT array with six 600 GB drives using RAID 5 protection. They ask you for guidance about their plan to increase capacity by adding seven 600 GB drives with RAID 6 protection. What should be your response?

A

RAID/width set in partnership groups cannot be changed

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39
Q

1) NAS Server Mobility
2) Fan-out replication
3) Cascade replication
4) Metrosync

A

1)Moves Hosts and attached file systems to a different SP
2) One-to -many asynchronous replication for a single file storage resource
3) Asynchronous replication of an already replicated resource to another tier
4)Native synchronous replication for a file resource

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40
Q

A customer wants to understand how Dell EMC PowerStore hosts the base OS and storage system software, and if there are redundancies in case of a component failure. Which PowerStore components should you mention?

A

Internal M.2 modules

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41
Q

What information is required when creating a thin clone of a volume in Dell EMC PowerStore Manager?

A

Performance Policy

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42
Q

Based on best practices, what should be the first step when designing a new Dell EMC Unity solution?

A

Meet customer and obtain Live Optics report, if applicable

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43
Q

Which Dell EMC Unity component holds the contents of write cache upon the loss of AC power?

A

M.2 SSD drive

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44
Q

What is the recommended procedure to capture data with the Dell Performance Analysis Collection Kit (DPACK)?

A

Send data in near real-time to the DPACK server over a secure encrypted connection

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45
Q

You are designing a solution for a Dell EMC Unity customer who is concerned about scalability. How many I/O slots, per Storage Processor, are available for expansion?

A

2

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46
Q

How many replication rules can be associated with a protection policy in Dell EMC PowerStore?

A

1

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47
Q

In addition to dual DAE power supplies, how does the Dell EMC Unity hardware architecture provide resiliency for powering its DAEs?

A

Cabled to two independent cabinet PDUs

Connected to house power on two different circuits

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48
Q

Which Dell EMC Unity design consideration must be accounted for if the Native SANCopy Import feature is to be used?

A

Capacity must be allocated for SANCopy Reserved LUN Pool LUNs

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49
Q

Which Dell EMC Midrange storage platforms support NVMe SCM drives?

A

PowerStore T and PowerStore X

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50
Q

Which file resources are supported with Dell EMC Unity asynchronous replication?

A

NAS Servers and NFS Datastores

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51
Q

What are required when deploying multi-tenancy on a Dell EMC Unity array?

A

Separate network namespaces and multiple VLANs

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52
Q

A customer has a Dell EMC Unity 500 at their headquarters location. They want to deploy a UnityVSA in a remote/branch office environment to run an instance of a mission-critical financial application. In addition, they want to ensure that headquarters and the branch offices share the same information by using asynchronous replication.
Finally, the customer wants to add 10 TB of capacity in the next 6 months. Since a Professional Edition subscription with the lowest storage capacity was purchased, what is the minimum upgrade subscription required?

A

10 TB to 25 TB

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53
Q

What are the characteristics of RAID Extents on a Dell EMC Unity system?

A

No RAID extents contain two drive extents from the same drive.

RAID extents will not include drive extents from two different Drive Partnership Groups.

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54
Q

Which NVMe SCM drives are supported by Dell EMC PowerStore?

A

375 GB and 750 GB

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55
Q

What is recommended to maximize system performance on Dell EMC Unity systems?

A

Build storage pools with many drives

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56
Q

Which supported configuration in Dell EMC Unity NAS servers provide link transmission optimization for File storage to NAS clients?

A

Jumbo Frames

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57
Q

In a Dell EMC Unity environment, which design configuration will support synchronous replication?

A

Consistency Groups on a Unity 450F system

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58
Q

A customer needs a solution to support a virtual desktop infrastructure that requires faster storage at the lowest cost. In addition, they want to limit the maximum number of drives to 450. Which Dell EMC Unity model should be recommended?

A

380f

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59
Q

What action is needed to associate a volume with a host when creating the storage resource in Dell EMC PowerStore to allow host access to block storage resources?

A

Host mapping

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60
Q

Which technology is the Dell EMC Unity File Import feature architecture built upon?

A

Inband Migration Tool

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61
Q

A customer is using the Native MPIO (multipath IO) on a Microsoft Windows 7 host to manage multiple connections to provisioned LUNs in a Dell EMC Unity storage system. Although the feature is enabled on the host, the application is not working.
What is the reason for this issue?

A

Multiple connections per session (MCS) are enabled

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62
Q

What are the recommended locations for NVMe drives on a Dell EMC Unity 880F array?

A

DPE Slots 17 - 24

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63
Q

Which function does the Dell EMC Unity Native SANCopy Import provide?

A

Imports block LUNs to Unity from VNX storage systems

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64
Q

A customer wants to provision a file system while creating a NAS server in a Dell EMC PowerStore T system. What information is needed to create the NAS server?

A

DNS Details

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65
Q

You are designing a solution that will provide integration of a Dell EMC Unity storage array with a virtualized environment by provisioning VMFS datastores accessed through Fibre Channel.
The customer uses the infrastructure for VDI deployment and provisioning of regular VMs. The host access is balanced by Quality of Service (QoS).
Which Unity QoS feature will address the expected Boot storm caused by powering up the virtual desktops at a certain time of the day?

A

Burst Policy

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66
Q

A customer requires a Dell EMC Unity solution that provides the ability for file storage users to recover files they accidently delete or corrupt. Which Unity data protection feature meets this requirement?

A

Unity File System Snapshots

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67
Q

A customer has a Dell EMC UnityVSA licensed with a 50 TB Professional Edition subscription. The customer wants to provision VVol datastores for the deployment of policy-based virtual machines in the VMware environment.
Which storage protocols are supported?

A

NFS and iSCSI

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68
Q

A customer has a Dell EMC Unity 550F with a single pool consisting drives configured as a RAID 5 (4+1) configuration. What is the minimum amount of drives required to expand the pool?

A

5

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69
Q

Which compression configuration is supported with the replication of All-Flash pool LUNs from a UnityVSA to a Unity 350F?

A

Compression on the destination only

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70
Q

You are designing a Dell EMC Unity solution for a customer. The customer wants to store top secret government file and block data. This data needs to be protected even in the event of physical theft of the Unity disks.
Which feature should be included in the design?

A

D@RE

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71
Q

Which RAID type has less risk of multiple disk faults?

A

RAID 5 (4+1)

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72
Q

A customer has an application that requires extremely high bandwidth performance, greater than 10 GB/s, to the drives. They are considering using a Dell EMC Unity 550F. How should the back-end be designed to handle the workload?

A

Add two 4-port 12 Gb/s SAS SLICs to the design

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73
Q

You are designing a Dell EMC Unity solution with All-Flash pools provisioning thin Block storage resources. Compression is enabled on the storage resources and files with different data patterns are as follows:
- LUN0: Large video files
- LUN1: User database
- LUN2: Zipped files
- LUN3: Documents
Which storage resource(s) will have the data compressed?

A

LUN1 and LUN3

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74
Q

A customer wants to expand their Dell EMC Unity system that includes a pool of 64 drives in a RAID 5 (4+1) configuration. What is the minimum amount of drives needed to expand the pool?

A

6

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75
Q

What is the granularity of the sub-LUN slices for FastVP Policies on the Dell EMC Unity array?

A

256 MB

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76
Q

In order to provide resiliency and enhanced iSCSI high-availability, what is recommended for the deployment of iSCSI interfaces in a Dell EMC Unity system?

A

iSCSI interfaces on the same port on each Storage Processor

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77
Q

Which tool is a performance automation platform for gathering, analyzing, and viewing details of the customer environment and workload to promote the awareness of actual compute performance needs?

A

Live Optics

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78
Q

Which Dell EMC Unity design consideration must be accounted for if the File Import feature is used?

A

An SP network interface is required

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79
Q

Which Dell EMC Unity feature provides improved system performance by identifying a chunk of Block data that is accessed frequently?

A

FAST Cache

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80
Q

A customer sales order lists M.2 Devices as a line item. The order is for a Dell EMC Unity 480F array. How many M.2 Devices should appear in the order?

A

4

81
Q

What is the purpose of the M.2 SSD in a Dell EMC Unity storage system?

A

Provides a de-staging area for write cache

82
Q

You are designing a Dell EMC Unity Block storage solution for use in a customer’s virtual desktop environment (VDI). In addition, the array will store several critical database applications for hosts that are sensitive to long response times.
What should be used to prevent the VDI environment from disrupting the database application response times?

A

Host I/O Limits for the VDI storage, configured for bursts

83
Q

When creating a Snapshot schedule with Dell EMC Unity, what is the minimum time interval for Snapshot frequency that one can select?

A

Hours

84
Q

You are designing a Dell EMC Unity solution for a customer. The customer requires protection against the loss of a site for an application that is sensitive to long response times. Which Unity feature meets these requirements?

A

Asynchronous Replication

85
Q

A customer has asked you to design a storage solution using a Dell EMC Unity storage system. What determines the performance characteristics of a disk group?

A

RAID Type

86
Q

Which NVMe SSDs are supported by Dell EMC PowerStore?

A

1920 GB, 3840 GB, 7680 GB, and 15360 GB

87
Q

Using customer supplied information, you have designed a solution using a Dell EMC Unity 450F array with 250 drives. The customer now wants to increase the drive count to 340 drives at the lowest cost.
Which Unity configuration should be recommended?

A

Upgrade to a Unity 480F and add four 25-drive DAEs

88
Q

What are the characteristics of Dell EMC Unity FAST VP?

A

Data is moved from tier to tier based on the tiering policy Data is moved at a granularity of 256 MB

89
Q

You are adding a Linux host running Oracle to a Dell EMC Unity Hybrid array. The customer requires the Oracle application to have low I/O latency and be deployed on available 10K SAS or NL-SAS drives.
Which Dell EMC Unity feature would meet the customer requirements?

A

FAST VP

90
Q

Which Dell EMC Unity Sizer menu option allows users to select from a number of pre-configured configurations?

A

Quick Configuration

91
Q

You are designing a Dell EMC Unity storage system for a customer who is concerned about power requirements. How much primary power is provided by each DPE power supply?

A

1100w

92
Q

What are the Dell EMC recommendations for sizing a Unity solution using Flash drives?

A

Use at least 14 drives as RAID 5 when possible
Use larger drives when possible

93
Q

Which operating systems support running the host-based collector for Live Optics?

A

Windows and Linux only

94
Q

Prior to provisioning a VMware File datastore, what must be configured first on a Dell EMC Unity system?

A

NAS server

95
Q

Which encryption algorithm is used for SMB shares on Dell EMC Unity?

A

AES128-GCM

96
Q

While provisioning volumes using the Dell EMC PowerStore Manager interface, what automatically determines on which appliance the volume will be provisioned?

A

Resource Balancer

97
Q

What is a characteristic of tenant traffic on a Dell EMC Unity array?

A

Separated by the associated VLANs at the Linux Kernel layer

98
Q

A customer has an OLTP application running on a host accessing Dell EMC Unity Block storage. The application performance is experiencing CPU bottlenecks caused by iSCSI workloads. As a result, you are recommending the addition of an expansion module with an iSCSI Offload engine to the Unity system.
Which Unity expansion module is recommended?

A

2-port 10 GB/s iSCSI module with SFP

99
Q

A customer has installed 10GbE Optical SFPs in their Dell EMC Unity XT array. While zoning, they are unable to locate the PWWN of the ports. What could be the reason for this issue?

A

10Gb SFPs are not supported

100
Q

A customer needs to test applications with real workloads and all data services associated with the production LUNs. Which Dell EMC Unity advanced storage feature provides this capability without interfering with the production storage resources?

A

Local Replication

101
Q

How many snapshots, per file system, are supported for Dell EMC Unity XT?

A

256

102
Q

What is a capability of the Dell EMC Unity Compression for File feature?

A

Can be enabled at any time on pools that support the feature

103
Q

What are components of a Dell EMC PowerStore Base Volume Family?

A

Thin clones, snapshots, and original volume only

104
Q

In Dell Unity systems, which Flash drive types can be used in both FAST Cache and FAST VP?

A

200 GB and 400 GB SAS Flash 2 drives

105
Q

What should be considered when sizing a solution for a Dell EMC Unity 600 that includes the system drives in the pool?

A

System drives will have 107 GB less capacity than other pool drives

106
Q

When implementing FAST VP, which Dell EMC best practices should be followed?

A

Use the “Start High then Auto Tier” policy Maintain at least 10 percent of the pool capacity

107
Q

A customer requires a Dell EMC Unity solution that has the following requirements:
- Several different production sites requiring high performance
- Regulatory requirements to keep data for extended periods of time
- A DR site for production data protection
- Keep production storage costs as low as possible
To meet the customer’s requirements, which solution should be recommended?

A

Asynchronously replicate production data to the DR site Replicate production snapshots to the DR site with extended retention policies

108
Q

What is the main purpose for wear-leveling optimization used in Dell EMC Unity systems?

A

Prolong the service life of SSDs

109
Q

What hardware is available on all Dell EMC Midrange storage?

A

25 GbE I/O modules

110
Q

Which Dell EMC Unity feature provides network high availability with active-passive ports when provisioning File storage for a NAS client?

A

fail-safe networking

111
Q

When enabling a multi-protocol NAS implementation on a Dell EMC PowerStore array, what is required for an end-to-end mapping of a UNIX system?

A

Security ID (SID) and User ID (UID)

112
Q

A customer must protect file storage resources through asynchronous replication to other Dell Unity XT systems in different locations.

What is the maximum number of remote systems that can be configured?

A

4

113
Q

What is achieved by adding a top tier of SSDs when designing a Dell Unity XT hybrid solution with FAST VP and FAST Cache?

A

Helps keep paged metadata on FLASH mediaIsolates file top-talkers I/O from block data I/O

114
Q

What is a benefit of restoring data from a Dell EMC Unity snapshot?

A

does require additional pool storage

115
Q

A system administrator has deployed a Dell Unity XT 380F system with 15 x 1.92 TB SSDs in a RAID 5 dynamic pool. Shortly after deployment, the administrator wants to expand the system’s capacity and use larger drives to increase density. What will happen if the administrator adds 4 x 3.84 TB SSDs?

A

Full capacity will be available

116
Q

How are vVol datastores mounted in Dell EMC Powerstore during the creating of vVol datastores in the vSphere environment shared by ESXi hosts?

A

storage containers

117
Q

A customer wants to asynchronously replicate file data from a production Dell Unity 550F to a remote office in the same city with a UnityVSA. When attempting to replicate one of the file systems the replication option isn’t available

What should a technical architect advise the customer?

A

asynchronous replication is not supported to a UnityVSA

118
Q

In Dell EMC Powerstore storage if the remote cluster has multiple appliances then what automatically chooses the destination appliance for the resource?

A

Resource Balancer

119
Q

A Dell EMC Unity storage administrator has 10 hosts. One of the hosts experiences occasional, huge IO bursts. What is a best practice for avoiding performance issues during these burst periods?

A

Enable Quality of Service (QoS) then configure burst settings

120
Q

When sizing a Dell EMC Unity Hybrid array, what are considerations for performance?

A

Active data and load balancing

121
Q

What is the minimum number of IP addresses required for the initial configuration of a stand-alone PowerStore T?

A

2 per SP

122
Q

Which algorithm is used to flush FAST Cache?

A

LRU

123
Q

What is the maximum number of SAS buses per SP for a Dell Unity XT 480F, without an additional SAS I/O module?

A

2

124
Q

On which levels is the Dell PowerStore encryption status reported in the PowerStore Manager?

A

cluster
appliance
drive

125
Q

What are benefits of having a minimum of 5% flash component when designing a Dell Unity XT hybrid system?

A

Optimizes FAST Cache page granularity and speeds data movement between tiers.

126
Q

What activity is initiated along with the site evaluation to ensure the solution being sold is supported in a customer environment?

A

Implementation

127
Q

Which parameters can be selected when sizing a Dell Unity XT 480F using the System Design method?

A

Drive count and RAID level
Custom I/O details about workload

128
Q

Cloud IQ Proactive Health Score is based on what 5 categories?

A

Components ( ), Configuration ( ), Capacity ( ), Performance ( ), and Data Protection ( )

129
Q

Which NVMe SCM drives are supported by Dell PowerStore?

A

375 GB and 750 GB

130
Q

When is the encryption key of a drive created on a Dell Unity XT system with D@RE enabled?

A

When drive is bound to a storage pool

131
Q

What is the recommended number of IP addresses for optimal performance of PowerStoreX?

A

9

132
Q

A customer has a Dell Unity XT 880. The system has 700 drives with the following:

  • 100x 1.6 TB 2.5” SSDs
  • 600x 1.2 TB 2.5” SAS drives

What is the required minimum number of SAS buses per SP to support this solution?

A

4

maximum of 250 drives per SAS bus

133
Q

A customer is using an older host OS that uses a 63-block disk header.

What is the recommended host offset when connected to Dell Unity XT systems?

A

1MB

134
Q

Which Dell Unity XT load balancing method will optimize performance in a customer environment if there are a limited number of open FC switch ports?

A

Round Robin

135
Q

What is the maximum number of SAS buses per SP for a Dell Unity XT 480F, without an additional SAS I/O module?

A

3

136
Q

A customer has two Dell Unity arrays, a Dell Unity 550F, and a Dell Unity XT 480. They are undergoing a network refresh and would like to modernize to a 25 GbE network. The customer has asked the technical architect about adding 25 GbE network cards to the Unity systems. Both systems have free slots.

Which option should the technical architect recommend?

A

The Dell Unity XT 480 supports a 25 GbE card, but the Dell Unity 550F does not support a 25 GbE card.

137
Q

Which session of a PowerStore file import creates the destination NAS servers and file systems?

A

Start

138
Q

Which NVMe SCM drives are supported by Dell PowerStore?

A

375 GB and 750 GB

139
Q

Which options are valid Mezzanine card choices on a Dell PowerStore in a multi-appliance cluster?

A

4-port 25 GbE SFP-based card or 4-port 10GBaseT card

140
Q

A customer is using Dell Unity XT 880 storage with 120 HDD Drives, with 10% of flash capacity from flash drives in RAID 5. They have eight LUNs provisioned for bandwidth-oriented workload. The workload is evenly split between two controllers, all available eight FC 32Gb/s ports. The customer is not able to reach more than 10 GB/s of read throughput.

What is the cause of this issue?

A

SAS bus saturated

141
Q

What are benefits of having a minimum of 5% flash component when designing a Dell Unity XT hybrid system?

A

Offsets some workload skew and accelerates metadata for buffer read misses.

142
Q

A Dell Unity XT 480F system ships with two embedded modules, one for each SP. What are the embedded modules used for?

A

CNA connectivity

143
Q

What occurs immediately before the write is acknowledged to the host in a Powerstore 1000T?

A

Information is stored on the non-volatile memory of the NVRAM drives

144
Q

What occurs immediately before the write is acknowledged to the host in a Powerstore 500T?

A

The peer node is updated

145
Q

A Dell EMC Powerstore customer plans to migrate storage volumes across appliances within a cluster. They want to use minimal effort to ensure that the appliance avoids reaching full capacity. Which method is recommended?

A

Assisted Migration

146
Q

What tools can be used to migrate block data from a legacy VNX array to a new Dell Unity XT array?

A

SANCopy and PowerPath Migration Enabler

147
Q

What activity is initiated along with the site evaluation to ensure the solution being sold is supported in a customer environment?

A

Remediation

148
Q

What tool automates the collection of host configuration data?

A

Grab

149
Q

A PowerStore system has been successfully designed in PowerSizer, and the configuration must be created for the customer.

What is the most time-efficient way to generate the proposal?

A

Export configuration in PowerSizer.
Copy PowerStore configuration ID.
Paste configuration number in Configuration tool.

150
Q

Which task does the Environment Collection Tool automate?

A

Generation of support matrix compliance reports

151
Q

Which Dell PowerStore supported media devices carry a FIPS Type D certification?

A

NVMe SCM NVMe SSD, and SAS SSD

152
Q

Which onboard Dell PowerStore components does the LCC interface sit between?

A

CPU board and NVMe drives

The LCC interface is responsible for controlling the PCIe links between the CPU board and NVMe drives and allows for communication between the two. It also provides additional features such as error correction and power management for the NVMe drives.

153
Q

A storage administrator plans to complete a technology refresh from a Dell EqualLogic PS6100 to a Dell EMC PowerStore array. The affected hosts are running native MPIO.

What is the recommended method to support an import to PowerStore?

A

Install PowerStore ImportKit on the hosts

154
Q

Which feature helps to enable file service High Availability on Dell EMC PowerStore?

A

Multiple redundant network ports with system bond

155
Q

A customer has two Dell S4148FON switches which are not connected to each other. The customer wants to use SMB to present NAS data directly from the array to their users. The solution must have resilience in case a switch outage occurs

Which solution should the technical architect recommend?

A

Unity XT

156
Q

Which describes cascade replication on a Dell Unity XT?

A

Asynchronous replication of a file resource from Sites A to B then B to C. then C to D

157
Q

How should Dell Unity XT storage pools be configured to minimize the chance of running out of space due to snapshot utilization?

A

Set high and low watermarks to remove old snapshots

158
Q

A Dell PowerStore administrator has been asked to create a NAS file sharing environment for several clients. The clients will be running either Linux (NFS) or Windows (SMB) and must have access to the same data simultaneously

How can this be achieved using Dell PowerStore?

A

Configure multiprotocol access to required file system

Dell PowerStore allows you to create a NAS file sharing environment for several clients by configuring multiprotocol access to the required file system. This means that the same file system can be accessed by both Linux and Windows clients using either the NFS or SMB protocols. This can be achieved by creating a file system, and configuring it to allow access using both the NFS and SMB protocols.

159
Q

Which describes the Dell Unity XT MetroSync replication topology?

A

A source file resource replicating synchronously from Site A to Site B and replicating synchronously from Site A to SiteC

Dell Unity XT MetroSync replication topology is a multi-site replication solution that allows you to replicate data synchronously between two or more Unity XT systems.

160
Q

A Dell Unity XT 480F system ships with two embedded modules, one for each SP.

What does the embedded module provide?

A

Management

161
Q

A Dell EMC PowerStore customer plans to migrate storage volumes across appliances within a cluster. They want to use minimal effort to ensure that the appliance avoids reaching full capacity.

Which method is recommended?

A

Assisted Migration

Assisted migration – In the background, the system periodically monitors storage resource utilization across the appliances. Migration recommendations are generated based on factors such as drive wear, appliance capacity, and health. If you accept a migration recommendation, a migration session gets automatically created.

162
Q

A customer wants to provision a file system while creating a NAS server in a Dell EMC PowerStore T system.

What information is needed to create the NAS server?

A

Subnet

163
Q

Which Dell EMC Unity feature provides network high availability with active-passive ports when provisioning File storage for a NAS client?

A

Fail-safe Networking

164
Q

How are vVol datastores mounted in Dell EMC PowerStore storage during the creation of vVol datastores in the vSphere environment shared by ESXi hosts?

A

Storage containers

165
Q

A database volume on a Dell PowerStore cluster has a Protection Policy that is applied with a single snapshot rule. The policy takes a snapshot every hour and retains them for 48 hours. The storage administrator must present a copy of the database volume to a test environment

Which action does the storage administrator take to meet this requirement?

A

Create a thin clone of the database volume and map it to the test host

A thin clone is a writeable copy of a volume, which shares the same data blocks as the parent volume. This allows the administrator to provide a copy of the production database volume to the test environment without affecting the production data.

166
Q

What storage resources are affected with a refresh option on a Dell EMC PowerStore array?

A

Thin clones and snapshots only

167
Q

A customer wants to asynchronously replicate file data from a production Dell Unity 550F to a remote office in the same city with a UnityVSA When attempting to replicate one of the file systems the replication option is not available.

What should a technical architect advise the customer?

A

The NAS server for the file system must be replicated

168
Q

A customer must protect file storage resources through asynchronous replication to other Dell Unity XT systems in different locations.

What is the maximum number of remote systems that can be configured?

A

16

169
Q

Which parameters can be selected when sizing a Dell Unity XT 480F using the System Design method?

A

One of four workload types Drive count and RAID level

170
Q

Which NAS protocols does Dell PowerStore support?

A

SMB, NFSv3, NFSv4p, FTP, and SFTP

171
Q

How many fans in a Dell EMC PowerStore node can fail before it shuts down?

A

1

172
Q

Which Dell PowerStore migration method is recommended to remediate an out of space condition?

A

Assisted Migration

173
Q

Which Dell EMC tool uses an HTML5 interface and best practices to predict storage performance?

A

Midrange Sizer

174
Q

Which file resources are supported with Dell EMC Unity asynchronous replication?

A

NAS servers and NFS datastores

175
Q

You are designing a Dell EMC Unity solution. You need to model expected array performance based om IOPS capability, storage capacity, and RAID type.

Which Midrange Sizer design path should you take?

A

System Designer path

176
Q

What are the inputs and outputs of the Unity Designer tool?

A

Inputs: Sales order, Excel configuration guide report, Detailed design
Outputs: Sales order, Sizing XML file, System configuration PDF file

177
Q

You are upgrading a Dell EMC Unity array to a Dell EMC PowerStore 1000 T array. The customer asks what they need to do so they can map PowerStore snapshots from the new PowerStore array to a host.

What should be your response?

A

Create a thin clone of the snapshot

Volume and Volume Group Snapshots: Snapshots cannot be mapped to a host. To view the contents of a snapshot, you must first clone the snapshot then map the clone to a host

178
Q

What initiates an automatic NAS server failover to the peer SP?

A

SP hardware fault

179
Q

A customer sales order lists .2 Devices as a line item. The order is for a Dell EMC Unity 380F array.
How many .2 Devices should appear in the order?

A

2

180
Q

A solution architect notices the PowerSizer is translating File Operations into IOPS for cluster and appliance summary……
What is the cause of this issue

A

File Operations was entered
MiB/s was not entered

181
Q

What non-Dell product reports can be generated using My Work?

A

NetApp and HDS

182
Q

Which tool delivers frequent, dynamic, nondisruptive content updates for a user?

A

CloudIQ

183
Q

A Dell EMC Unity storage administrator needs to build a NAS server configuration to support failover between SPs and NAS resources.
What is a term for this configuration?

A

Local Replication

184
Q

What does the Storage Performance Saturation field show in the Configurations tab of the PowerStore sizing tool in a Multi-Appliance solution?

A

Aggregate of all workloads

185
Q

A Dell EMC Unity storage administrator has 10 hosts. One of the hosts experiences occasional, huge IO bursts.
What is a best practice for avoiding performance issues during these burst periods?

A

Enable Quality of Service (QoS) then configure burst settings

186
Q

What provides data analytics for Dell EMC Midrange storage?

A

CloudIQ

187
Q

what can be done to provide best performance on Dell Unity iSCSi connections?

A

Configure jumbo frames end-to-end

188
Q

Which tool creates a switch migration report?

A

My Work

189
Q

When enabling a multi-protocol NAS implementation on a Dell EMC PowerStore array, what is required for an end-to-end mapping of a UNIX system?

A

User ID (UID) and Group ID (GID)

190
Q

Which tool can be used to migrate file data for Windows hosts form a legacy VNX array to a new Dell Unity XT array?

A

Robocopy

191
Q

AN application owner needs 10 volumes for their application to be created, and they must have snapshots…
Which feature in Dell PowerStore should be used to enable this requirement?

A

Volume Groups

192
Q

On what host operating systems can the Grab tool run?

A

Windows, UNIX, and ESXi

193
Q

An administrator wants to use NAS Server Mobility to move a NAS server from SPA to SPB on a Dell Unity system.
What consideration must they be aware of?

A

Any replication sessions must be in a paused state before starting the move

194
Q

An architect is designing a cost-effective PowerStore solution in sizer that is expected to perform in the event of a node …
What must be considered?

A

. Set Max Performance Saturation to 50% while sizing

195
Q

A Dell PowerStore protection policy contains two snapshot rules and one replication rule? Which storage resources will run only the snapshot rules?

A

Virtual Machines and File Systems

196
Q

How many writes per day are SAS Flash 4 drives rated at?

A

1

197
Q

What is the maximum number of snapshot rules that can be associated with a Dell PowerStore protection policy?

A

4

198
Q

What is the function of CMI on a Dell EMC Unity array?

A

Used for inter-SP communications

Dell Midrange Storage Solutions Design 2023 (18 decks)

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