NetApp NS0-516 Exam Dumps

iSCSI Multipathing: Enables multiple paths for data to travel between the host and storage, providing redundancy and increased performance.

Steps to Enable:

iSCSI IP Setup: Configure IP addresses for the iSCSI interfaces on both the E-Series system and the Windows host to ensure proper network communication.

Host Utilities: Install NetApp E-Series Host Utilities on the Windows host to provide the necessary drivers and multipathing software.

To enable multifactor authentication (MFA) on an E-Series system, follow these steps:

Map roles (C): Role mapping is necessary to define the permissions and access levels for different users when MFA is enabled. This ensures that only authorized users can access specific functions and data on the system.

Configure LDAP (D): LDAP configuration is required for integrating with directory services to manage user authentication and access control. LDAP settings need to be correctly configured to support MFA, allowing the system to authenticate users against an external directory service.

NetApp E-Series Security Configuration Guide

SANtricity System Manager User Guide

Based on the exhibit provided and the scenario where a Red Hat Enterprise Linux 7.6 server is configured with Device Mapper Multipathing (dm-mp) for Asymmetric Logical Unit Access (ALUA) and connected to a single volume on the EF280 system, there are 4 active/optimized paths available to the volume.

In ALUA configurations, paths are classified as active/optimized or active/non-optimized. Each controller on the EF280 system will have two active/optimized paths to the volume, leading to a total of four such paths. This setup ensures high availability and optimal performance for data access.

NetApp E-Series and EF-Series Multipathing Guide for Linux

SANtricity System Manager User Guide

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To create a Dynamic Disk Pool (DDP), the minimum number of drives required is 12. This minimum requirement ensures that there is enough capacity and redundancy to maintain the performance and data protection characteristics that DDPs provide.

Dynamic Disk Pools are designed to optimize data distribution and rebuild times. By using 12 drives as a baseline, the system can efficiently distribute data and parity information across the drives, improving fault tolerance and rebuild performance compared to traditional RAID configurations.

NetApp E-Series Storage System Documentation

SANtricity System Manager User Guide

Target username and password: These credentials are used by the initiator to authenticate to the target.

Initiator username and password: These credentials are used by the target to authenticate the initiator.

CHAP: Challenge-Handshake Authentication Protocol is used to set up the authentication mechanism.

Modifications in the /etc/iscsi/iscsid.conf file include setting the appropriate values for these parameters.

Reference: NetApp iSCSI Configuration Guide for Linux, which details the configuration of CHAP and other authentication methods.