A company has a Linux host with two Fibre Channel HBAs, each with two ports, connected to an E-Series storage system. The administrator wants to ensure that the host can use all four paths for I/O to a LUN. What must be configured on the host to achieve this?

Install and configure Device Mapper Multipath (DM-Multipath) and set the path group policy to 'multibus'.

Configure the HBA drivers to use a single queue depth.

Enable ALUA on the host's HBA BIOS.

Set the E-Series LUN to 'load balance' mode in SANtricity.

What is a necessary host-side setting for multipathing to work correctly with an E-Series system?

Disabling the host firewall to allow storage traffic

Configuring the host to use a static IP address for the storage network

Setting the host to use only one HBA port for all I/O

Enabling the HBA ports and installing the latest HBA drivers

Which of the following is a common cause of multipathing issues in a SAN environment?

The storage system's firmware being outdated

Incorrect DNS settings on the host

A faulty or loose fibre channel cable

A mismatch in the host's time zone

What is a common performance-related symptom of a multipathing issue?

The host's network throughput increases unexpectedly

The storage system's cache hit rate improves

Storage performance is degraded because I/O is concentrated on fewer paths

The storage system's temperature decreases

An administrator is setting up a new E-Series storage system for a Windows host with two HBAs, each with two ports. The administrator wants to ensure that the host can see the LUN through all four paths. What must be configured on the E-Series system to allow this?

Configure the LUN to be presented on both controllers simultaneously.

Set the host type to 'Windows' in SANtricity to enable automatic multipath configuration.

Enable 'multipath support' in the E-Series controller firmware.

Create a host definition that includes all four HBA port WWNs and map the LUN to that host.

NetAppCertified Implementation Engineer - SAN Specialist, E-Series (NCIE-SAN E-Series)

Domain 9Objective 2

Analyze Multipathing Issues Between a Host and an E-Series System CERTIFIED-IMPLEMENTATION-ENGINEER-SAN-E-SERIES Practice Questions (Page 5)

Part of the Troubleshooting domain, which makes up ~8% of our current practice bank.

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Questions 21–25

21application · medium
A company has a Linux host with two Fibre Channel HBAs, each with two ports, connected to an E-Series storage system. The administrator wants to ensure that the host can use all four paths for I/O to a LUN. What must be configured on the host to achieve this?
Select an answer first
22foundation · easy
What is a necessary host-side setting for multipathing to work correctly with an E-Series system?
Select an answer first
23foundation · easy
Which of the following is a common cause of multipathing issues in a SAN environment?
Select an answer first
24foundation · easy
What is a common performance-related symptom of a multipathing issue?
Select an answer first
25application · medium
An administrator is setting up a new E-Series storage system for a Windows host with two HBAs, each with two ports. The administrator wants to ensure that the host can see the LUN through all four paths. What must be configured on the E-Series system to allow this?
Select an answer first

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