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Specialist - Implementation Engineer PowerStore Solutions Version 1.0 Questions and Answers

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Question 1

Correctly arrange the sequence of the write operation in PowerStore.

Options:

Answer:

Explanation:

Write Operation

The graphic explains the process when the PowerStore receives a write request.

1: Step 1.

In this example, an I/O enters Node B and is saved within the Node

DRAM memory. The I/O is analyzed to determine:

1. What type of I/O it is.

2. What resource it is intended for.

3. The location within the resource being updated or requested.

4. And other metadata information.

2: Step 2.

If the I/O is determined to be a write, the data is copied into the write cache on the NVRAM drives. After the information is stored within the write cache, the information stored within the DRAM memory is considered clean as it no longer has the latest copy of the information. This data then becomes part of the read cache, until it is later replaced in cache by newer or more highly accessed data.

3: Step 3.

For each write I/O that enters the system, the information is passed

between the Nodes using tokens. This operation updates the peer node that a new write has been received and that it has the newest copy of the data. A token includes information about the I/O such as what resource was updated and the address within the resource that was updated. A token also includes information Data Efficiency about the location the I/O was saved to within the write cache. If the peer Node requests that information, the Node can access the data within the NVRAM drives using its own internal channels.

4: Step 4.

After the information is safely stored on the nonvolatile media of the NVRAM drives and all other actions are complete, the host is acknowledged.

5: Step 5.

After the host is acknowledged, data is copied from the Write Cache and is passed through the deduplication and compression logic. The remaining data is then assembled into 2 MB stripes and saved to the back-end storage.

Reference: [Reference:, https://www.delltechnologies.com/resources/en-us/asset/white-papers/products/storage/h18151-dell-emc- powerstore-data-efficiencies.pdf, ]

Question 2

An administrator received the following alert from PowerStore regarding a previously created NAS server?

Description:

The SMB server of the NAS server PowerStore_NAS_01 is configured to be joined to the domain test.mid, but is currently not joined.

Which setting should the administrator change?

Options:

UDS

NIS

LDAP

NTP

Question 3

A storage administrator has provisioned a 50GB volume and presented it to an application. The application owner has requested that the volume be replicated to a secondary array. Which policy should be assigned to the volume to enable replication?

Options:

Protection

Performance

Remote

Replication

Question 4

What is the recommended Windows multi-pathing policy for block volumes on a PowerStore array?

Options:

Least QueueDepth

Round-Robin

FailOver

Least Weighted Paths

Question 5

Refer to the Exhibit.

Note the yellow arrow. A Data Center Engineer notices that the LED is blinking blue and amber alternating at one second intervals. What does this indicate?

Options:

Node is Degraded

System is booting

Node in Service Mode

System not initialized

Question 6

An administrator received a request to provision a new volume. Use the simulator to provision a volume of 50 GB with a performance policy of high for their host named "ApplicationTeam". When you have finished using the simulator, click Next.

Options:

Question 7

Use the simulator to determine how many logical ports are currently marked for replication on the PowerStore appliance.

Note: It is necessary to close (x) the simulator window before you can select a response to this question.

Simulator:

Options:

Question 8

Use the PowerStore Manager simulator to configure the BaseEnclosure-NodeA-IoModule1-FEport0 as a replication port. When you have finished using the simulator, Click Next.

Options:

Question 9

Use the simulator to generate and download logs from all appliances in the PowerStore cluster. When you have finished using the simulator, Click Next.