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Foglight for Storage Management Shared 4.6.5 - 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

Common Component Disk Tab Data

The Disks tab can be found on the following dashboards:

•

•

•

•

The Disks tab displays the physical disks associated with the selected entity.

•

Top 5 Disks. Displays the top five disks with the highest average value for Ops Rate and the performance metrics most useful for this array or filer.

•

Disk Status Filter. Click to show only disks with the selected status in the Disk Details table.

•

Disk Details. For each disk, identifies its status, physical state, parent pool or aggregate, and Disk Size, and then displays current values for Ops Rate, % Busy, Average Queue Depth, Data Rate, and Latency. Click a

Sparkline to plot metric values over the time period.


	NOTE: If a metric is not available for this particular array or filer, the column is not displayed.

The remaining columns provide the following details:
- Role. Displays the role played by the disk in the pool, such as disk or spare.
- RPM. Displays revolutions per minute as reported by the vendor.
- Disk Interface. When available, displays the type of interface, such as SATA or SCSI.
- Member. EqualLogic and Isilon only. Displays the name of the member node where the disk physically resides.

•

Alarm Summary. Displays alarms on disks.

Investigating VPLEX Storage

Investigating VPLEX Storage

To gain a complete picture of the performance of a VPLEX storage device, you need to understand how its child components are performing.

This section covers the following topics:

•

Introducing VPLEX Virtualization Components Dashboards

•

Investigating Director - Ports

•

Investigating a Virtual Volume

•

Introducing VPLEX Virtualization Components Dashboards

The VPLEX Virtualization Components dashboard is a drill-down view that displays virtualization details about a selected VPLEX storage array, performance and capacity metrics, and alarms.

For information about each type of VPLEX Virtualization Components dashboard, see the following topics:

•

Investigating Director - Ports

•

Investigating a Virtual Volume

•

Investigating Director - Ports

The data displayed in the dashboard reflects values for the VPLEX storage over the selected time range. This walkthrough describes the contents of each of the tabs.

To explore a director:

1

On the navigation panel, under Dashboards, click Storage & SAN > Storage Explorer.

2

In the Storage Explorer dashboard, click the director name in the Director table.

3

In the Summary tab, review performance in terms of key metrics.

•

Details. Displays physical details about the selected director.

•

Charts. Plot values over the time period for these metrics, if available: Ops Rate, Data Rate, % Busy, Frontend Abort, and Average Queue Depth.

•

Alarm Summary. Displays alarms on the selected director. To investigate further, click an alarm. See Assessing Storage Alarms.

4

In the Ports tab, Shows the history performance data of the port, including Ops Rate, Data Rate, and Latency.

To explore a port:

1

On the navigation panel, under Dashboards, click Storage & SAN > Storage Explorer.

2

In the Storage Explorer dashboard, click the director name in the Port table.

3

In the Summary tab, review performance in terms of key metrics.

•

Details. Displays physical details about the selected port.

•

Charts. Plot values over the time period for these metrics, if available: Ops Total, Bytes Read, Bytes Write, Read Latency, and Write Latency.

•

Alarm Summary. Displays alarms on the selected port.To investigate further, click an alarm. See Assessing Storage Alarms.

•

Introducing VPLEX Virtualization Components Dashboards

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EMC VPLEX Storage Array

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