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Foglight for Storage Management Shared 4.6 - User and Reference Guide

Table of Contents

Getting Started

Introducing Foglight for Storage Management

Performance Monitoring Capacity Monitoring Connectivity and I/O Performance Monitoring

Navigating Foglight for Storage Management Verifying StorageCollector/Generic SMIS Storage Agents are Collecting Storage Data

Collecting Storage Data for Virtualized Devices and Servers

Understanding Metric Data in Charts and Tables Modifying and Extending Data Collection Next Steps

Monitoring Storage Performance

Introducing the Storage Environment Dashboard Monitoring Your Storage Environment

Understanding Status, Alarms, and Rules in Foglight for Storage Management Reviewing the Status of All Devices Assessing Storage Alarms Monitoring Fabrics Monitoring Storage Arrays Monitoring Filers

Asking Questions About the Monitored Storage Environment Assessing Connectivity and I/O Performance

Introducing the Virtualization Dashboards Summary of Icons Used in Topology Diagrams Exploring Connectivity with SAN Topology Diagrams Exploring I/O Performance with SAN Data Paths

Monitoring Storage Capacity

Capacity Trending Evaluating Pool Capacity Environment Summary/Monitoring/Summary Capacity Reports Low Capacity Rule Storage Capacity tab

Creating Storage Reports

Investigating Storage Devices

Introducing the Storage Explorer Exploring a Fabric Exploring a Switch Exploring a Cisco VSAN Exploring a Filer Exploring a Storage Array

Non-Clustered Storage Arrays Dell EqualLogic Storage Array EMC VPLEX Storage Array EMC Isilon Storage Array

Common Data for Filers and Storage Arrays

LUNs tab Disks tab Advanced Find

Investigating Storage Components

Introducing Storage Component Dashboards Investigating an Aggregate Investigating an Array/Filer Port Investigating a Controller Investigating a Directory Investigating an EqualLogic Member Investigating an FC Switch Port Investigating an Isilon Node Investigating a LUN Investigating a NASVolume Investigating a Physical Disk Investigating a Pool

Pool belonging to a non-clustered storage array or EqualLogic storage array Pool belonging to an Isilon storage array

Common Component Disk Tab Data

Investigating VPLEX Storage

Introducing VPLEX Virtualization Components Dashboards Investigating Director - Ports Investigating a Virtual Volume Investigating a Storage Volume

Troubleshooting Storage Performance

Starting a Troubleshooting Investigation Analyzing Storage Issues Analyzing the Pool Changing Latency Thresholds Understanding the Troubleshooting Algorithm

Managing Data Collection, Rules, and Alarms

Collecting Virtual Storage-to-SAN Relationships Inferring Physical-Host-to-Storage Relationships

Enabling Dependency Processing Reviewing and Editing Host-Port Assignments Running Dependency Processing Manually Customizing Helper Strings for Dependency Processing Reviewing Inferred Hosts

Modifying Data Collection Schedules

Understanding Data Collection Types and Schedules

Topology collections Performance collections Default data collection schedules

Modifying Data Collection Schedules for Storage Collector Agents

Creating a unique schedule for an agent Assigning a Cloned Schedule to Another Agent

Managing Foglight for Storage Management Rules Managing Alarm Settings

Changing Alarm Sensitivity Configuring Email Notifications for Alarms

Troubleshooting Database Limits

Understanding Metrics

Units of Measurement Performance Metrics

Fabrics and FC Switches — Performance Metrics Storage Arrays and Filers — Disk I/O Performance Metrics Clustered Storage Arrays — Network Performance Metrics

Capacity Metrics

Storage Arrays — Array, Member, and Pool Capacity Metrics

EMC Isilon Only Capacity Metrics

Filers — Filer and Aggregate Capacity Metrics Storage Arrays and Filers — LUN, NASVolume, and Disk Capacity Metrics

Overview of Metrics in Foglight for Storage Management

Summary of SAN Topology Objects Locating SAN Topology Objects in Foglight for Storage Management

Online-Only Topics

Storage Environment Dashboard Storage Explorer Pool and Aggregate Dashboards

Getting Started

This section introduces you to Foglight for Storage Management, and tells you how to verify that Foglight for Storage Management is capturing storage collection data for all the devices you are interested in monitoring.


	NOTE: For information about installing Foglight for Storage Management, configuring Storage Collector agents, and managing agents, see the Foglight for Storage Management Installation Guide.

This section covers the following topics:

•

Introducing Foglight for Storage Management

•

Navigating Foglight for Storage Management

•

Verifying StorageCollector/Generic SMIS Storage Agents are Collecting Storage Data

•

Understanding Metric Data in Charts and Tables

•

Modifying and Extending Data Collection

•

Introducing Foglight for Storage Management

Virtual infrastructures add layers of abstraction that obscure the relationship between physical storage and virtual machines. Foglight for Storage Management supports VMWare and Hyper-V virtual environments. It helps you look beyond logical datastores and volumes to see how physical storage components (switches, logical unit numbers (LUNs), arrays, and filers) are impacting virtual machines (VMs).

The key concepts for Foglight for Storage Management are “relationship” and “context.” Rather than simply viewing repeated performance metrics, Foglight for Storage Management incorporates the data into an end-to-end view of your virtual storage infrastructure, showing the relationship of the storage and storage area network (SAN) performance to VM performance. You can also investigate performance events in the proper context, viewing the status of the entire topology at the time the performance issues occurred.

Performance Monitoring

Monitoring the performance of your storage infrastructure is critical to maximizing VM performance. Foglight for Storage Management allows you to track:

•

Insufficient bandwidth and throughput of SAN switch ports, filers, and storage arrays.

•

Over (or under) utilized datastores CSVs, and logical disks.

•

I/O bottlenecks for NASVolumes and LUNs, along with the pool providing the physical disk storage for the LUNs and NASVolumes.

Figure 1. Performance Monitoring

Foglight for Storage Management captures performance metrics from components of your storage infrastructure (SAN switches, LUNs, storage arrays, and filers), evaluates the data based on preconfigured performance and event rules, then presents this data via a detailed graphical interface. With architectural diagrams, graphs, alerts, and drill-down screens, Foglight for Storage Management helps you quickly identify problems in the virtual environment or the physical storage. For more information, see Monitoring Your Storage Environment.

Capacity Monitoring

Foglight for Storage Management aids the process of identifying and resolving storage capacity issues. The Foglight for Storage Management virtualization cartridges alert you to datastores and logical volumes in danger of running out of storage. The storage component shows you how the physical storage supporting your virtual infrastructure is configured. The detailed graphical interface of Foglight for Storage Management lets you see storage capacity allocations for arrays and filers, and receive alerts when free disk capacity and free pool capacity fall below thresholds. For more information, see Monitoring Storage Arrays, Monitoring Filers, and Monitoring Storage Capacity.

Figure 2. Capacity Monitoring

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