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Foglight for Storage Management Shared 6.0.0 - User Guide

Getting Started Configuring Agents to Monitor Storage Devices
Brocade SAN Switches Cisco SAN Switches Dell Compellent Arrays Dell EqualLogic PS Series Array Groups EMC CLARiiON CX Series Arrays (CLI) EMC CLARiiON, VNX, or VMAX Storage Arrays (SMI-S) EMC Isilon EMC VPLEX Hitachi Data Systems AMS, USP, and VSP HP EVA Storage Arrays HP 3PAR Arrays NetApp Filers Configuration Procedures
Managing Agents Using Foglight for Storage Management Monitoring Storage Performance Investigating Storage Devices Investigating Storage Components Investigating VPLEX Storage Troubleshooting Storage Performance Managing Data Collection, Rules, and Alarms Understanding Metrics Appendix: Supported Storage Devices Table

Monitoring Storage Arrays

When monitoring storage arrays, or when diagnosing alarms on storage arrays, you may need more detail on the array or its member nodes, controllers, ports, pools, LUNs, or disks. You may also want to determine if any of the child components have alarms that did not affect the array status. This walkthrough introduces the quick view for storage arrays.

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Click the Storage Arrays tile to open the Storage Arrays quick view.
Related Inventory. Contains alarm summaries for the selected storage array and its controllers, FC ports, IP ports, pools, LUNs, and disks.
Controller Performance. Plots % Busy values by controller over the time period and displays threshold lines (defined in registry variable StSAN.Controller.PctBusyThreshold).
LUNs/Disks States. Plots the percentage of disks and LUNs in the storage array in problem states. Problem states are reported by the vendor. Resolving these issues may improve LUN performance.

Monitoring Filers

When monitoring filers, or when diagnosing alarms on filers, you may need more detail on a filer and its controllers, ports, NASVolumes, LUNs, aggregates, or disks. You may also want to determine if any child components display alarms. This walkthrough introduces the quick views for filers.

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Click the Filers tile to open the Filers quick view.
Filers with Lowest % of Free Disk/Spares Capacity (raw). Displays cylinders showing the amount of used Free Disk/Spares Capacity (Raw). Below each cylinder, you can see total and free capacity.
Filers with Lowest % of Available Aggr Capacity (usable). Displays cylinders showing the amount of used Aggr Capacity (Usable) Free. Below each cylinder, you can see total and free capacity.
Disk capacity: StSAN.FilerDisks.PctUnallocatedCapacityThreshold.[Fatal|Critical|Warning]
Aggregate capacity: StSAN.FilerAggregates.PctUnallocatedCapacityThreshold.[Fatal|Critical|Warning]
Storage Capacity Summary. The cylinders show the amount of capacity consumed in the filer, expressed using current values for the following pairs of metrics:
NASVolume Performance. Plots the percentage of NASVolumes in the filer in problem states. Problem states are reported by the vendor. Resolving issues may improve volume performance.
LUN Performance. Plots the percentage of LUNs in the filer in problem states. Problem states are reported by the vendor. Resolving issues may improve LUN performance.

Asking Questions About the Monitored Storage Environment

Another way to find out information about your storage environment is to ask questions. The Insights tab contains the Analytics view to show frequently-asked questions about storage environments. Answers are displayed in the form of tables and graphs. You can select questions that apply to all storage resources or to a specific type of storage resource.

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On the Storage Environment dashboard, click the Insights tab, and then click Analytics.

Assessing Connectivity and I/O Performance

You can also identify connectivity and port performance problems that occur during I/O requests by assessing storage from the perspective of the virtualization environment. The VMware and Hyper-V Explorers offer an end-to-end look at all the entities that make up your virtual infrastructure, including clusters, hosts, virtualization storage, and virtual machines.

This section covers the following topics:

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