Pass the Netapp NCIE SAN E-Series NS0-516 Questions and answers with CertsForce

Explanation:

The Hardware Universe is a NetApp tool that provides comprehensive information on the size, weight, acoustic noise, and power requirements of NetApp systems, including the E-Series.

This tool is essential for planning and managing the physical aspects of deploying NetApp hardware in a data center environment.

A document showing the cabinet layout with cabling information and IP addresses being used

Explanation: This document helps the customer understand the physical and logical layout of the installation, making future troubleshooting and expansion easier.

To resolve the issue of a new Windows host being unable to connect to a volume on the E-Series system when all other hosts can, follow these steps:

Obtain the WWPN for the Windows HBA (B):The Worldwide Port Name (WWPN) is essential for zoning and establishing communication between the host and the storage system. Ensure you have the correct WWPN for the new Windows host’s HBA.

Create a single-initiator zone with the host and E-Series system (D):Zoning is crucial in SAN environments to control and secure the data paths. Create a single-initiator zone that includes the WWPN of the Windows host and the target ports of the E-Series system. This ensures that the host can see the storage.

Add a zone to the active zoneset (E):After creating the necessary zone, it needs to be added to the active zoneset on the Cisco MDS switch. The zoneset must then be activated for the changes to take effect, enabling the new host to communicate with the E-Series system.

These steps ensure that the new Windows host is properly zoned and can access the storage volumes without disrupting the existing configurations.

References:

NetApp E-Series SANtricity Storage Manager Documentation

Cisco MDS Switch Configuration Guide

To increase the throughput of an iSCSI host port on a NetApp E-Series system, you should change themaximum transmission unit (MTU)setting from its default value.

Maximum Transmission Unit (MTU):The MTU size determines the largest packet that can be sent over the network without needing to be fragmented. By increasing the MTU size, you can reduce the overhead associated with packet processing and improve throughput. For example, setting the MTU to 9000 bytes (Jumbo Frames) can enhance performance for iSCSI traffic.

References:

NetApp E-Series SANtricity Storage Manager User Guide

NetApp Best Practices for Configuring iSCSI with E-Series

Understand Pre-Upgrade Health Check:

Purpose:The pre-upgrade health check is designed to ensure the system is in a stable state before proceeding with firmware or software upgrades. This helps to avoid disruptions and data loss.

Volumes on Non-Preferred Path (B):

Issue:If volumes are reported on a non-preferred path, it indicates that there might be a pathing issue or an imbalance in the I/O load.

Impact:Non-preferred paths can lead to performance degradation and increased latency, which might cause issues during the upgrade process.

Resolution:Ensure that all volumes are accessible through their preferred paths before initiating the upgrade.

Understand the Requirements:The E2812 system is to be used without expansion shelves, and the customer requires six data volumes.

Consider DDP (Dynamic Disk Pooling):DDP is a recommended configuration for simplifying management and enhancing data protection.

Single DDP Configuration:Using one DDP for all volumes is efficient for the following reasons:

Simplifies the storage configuration.

Ensures balanced use of all drives.

Provides efficient data protection and rebuild performance.

Creation of Volumes:Within the single DDP, create six volumes as required by the customer.

Advantages of One DDP:

Easier management compared to multiple DDPs.

Better performance and protection due to the distributed nature of DDP.

Verify Switch Port Status:

Step:Check the status of the FC ports on the Brocade switch.

Reason:The ports need to be enabled for communication.

Secure Connection Requirement: To manage the E-Series system over a secure connection, certain steps need to be taken to ensure encrypted communications.

Disabling Legacy Management Interface: This step ensures that only secure management interfaces are used, preventing the use of less secure legacy protocols.

Certificate Signing Request (CSR): Completing the CSR on the system is necessary to generate a public/private key pair. This CSR can then be submitted to a certificate authority (CA) to obtain a signed certificate.

Importing CA Signed Certificates: Once the CA has signed the certificate, it must be imported into the E-Series system. This signed certificate ensures that the communication between the server and the system is encrypted and trusted.

References:

NetApp E-Series SANtricity System Manager documentation on secure management

NetApp Implementation Engineer - SAN Specialist - E-Series manuals