HP HPE0-J68 Practice Test - Questions Answers, Page 22

When creating a proper host entry within Data Ops Manager while using an HPE Alletra MP solution, it is crucial to collect the Port World Wide Name (WWN). The WWN is a unique identifier for each port on a host's HBA (Host Bus Adapter) and is essential for configuring storage connectivity, zoning, and mapping between the storage system and the host. Accurate WWN information ensures correct and secure access to the storage resources.

HPE Alletra MP Data Ops Manager

HPE Storage Connectivity

The statvlun command in the HPE Alletra 9000 CLI is used to display real-time statistics on exported volumes, including the roundtrip time (RTT) of an I/O as seen by the system. This command provides detailed insights into the performance of the volumes, helping administrators monitor and optimize the storage system's performance in real-time.

HPE Alletra 9000 CLI Commands

HPE Storage Performance Monitoring

When expanding an HPE StoreVirtual VSA-based cluster with two additional VSA instances, it is crucial that the new instances have equal or greater capacity compared to the existing instances. This requirement ensures that the cluster maintains balanced performance and storage capacity, preventing any potential bottlenecks or imbalances that could affect the overall performance of the cluster.

HPE StoreVirtual VSA is designed to scale out by adding more instances with equal or greater capacity, allowing for seamless expansion while maintaining performance and reliability.

For more information, refer to:

HPE StoreVirtual VSA

The fabric design shown in the exhibit is a core-edge architecture. This design consists of core switches that are centrally located and connect to edge switches, which are distributed across the network. The core switches provide high-speed backbone connectivity, while the edge switches connect directly to storage devices or servers. This architecture is commonly used in SAN environments to provide scalability, manageability, and high availability.

HPE SAN Design Principles

Core-edge Fabric Design

After determining that a new tier of SSD drives should be installed in the HPE 3PAR StoreServ 8400, the following actions should be recommended:

Configure Adaptive Optimization (AO): AO automatically moves data between storage tiers based on real-time I/O patterns. By configuring AO, the most frequently accessed data will be moved to the new SSD tier, optimizing performance and improving efficiency.

Configure scheduled tunesys tasks: Tunesys is a command used to optimize the storage layout on the HPE 3PAR array. By scheduling regular tunesys tasks, the data is redistributed across the available drives, ensuring that the array maintains optimal performance as the storage environment evolves.

HPE 3PAR StoreServ Adaptive Optimization

HPE 3PAR Tunesys Command

HPE 3PAR Persistent Ports is a feature that enables a non-disruptive environment by allowing host-based multi-pathing software to remain unaffected during events such as firmware upgrades. With Persistent Ports, the active I/O paths are automatically moved to alternate ports if the primary ports are undergoing maintenance or upgrades, ensuring continuous data access and eliminating disruptions.

HPE 3PAR Persistent Ports

HPE 3PAR StoreServ Features

The Unified API that is part of HPE's composable strategy provides the advantage of managing the entire infrastructure lifecycle using standard programming code. This approach allows IT administrators to automate and streamline operations, enabling them to define infrastructure as code, which can be easily integrated into DevOps workflows. This API-driven approach is central to HPE's composable infrastructure strategy, providing flexibility, efficiency, and ease of management.

HPE Composable Infrastructure

HPE Unified API

NinjaCrawler is the storage sizing tool designed for HPE 3PAR StoreServ that can be used to determine whether customers qualify for the Get Thin Guarantee Program. This tool analyzes the customer's existing storage environment, including data usage patterns and deduplication opportunities, to provide insights into potential savings and help qualify for the Get Thin Guarantee.

HPE Get Thin Guarantee

NinjaCrawler for Storage Sizing

In an HPE 3PAR StoreServ system, the concept of a 'node pair' is crucial to understanding how the system manages and owns physical drives. A node pair, which consists of two controller nodes, is responsible for managing the physical drives. Each node pair works in tandem to provide redundancy and high availability. The node pair owns the physical drives and manages data distribution, I/O operations, and redundancy across the drives within the system.

This architecture ensures that in the event of a failure in one node, the other node in the pair can continue to manage the drives and maintain data access, providing seamless operations and high reliability.

HPE 3PAR StoreServ Storage Architecture

HPE Storage Overview

HPE Flash and Hybrid Storage