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Foglight for Storage Management Shared 4.8 - User and Reference 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 Collection Target Support Matrix 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 Online-Only Topics

Introducing Storage Component Dashboards

A component dashboard is a drill-down view that displays physical details about a selected component, performance and capacity metrics, and alarms. Some also include a topology diagram that shows how the component fits into the monitored environment; for more information, see Exploring Connectivity with SAN Topology Diagrams.

For information about each type of component dashboard, see the following topics:

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

Investigating an Aggregate

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

To explore an aggregate:
1
On a dashboard, click an aggregate name.
The Aggregate dashboard opens.
2
Review overall performance in the Summary tab.
•
Aggregate Details. Displays the aggregate’s status, parent filer, health score, and current values for Advertised NASVolumes Size, Total Usable Capacity, Available Usable Capacity, Overcommitment, Data Rate, and Ops Rate. Click a Sparkline to plot metric values over the time period.
•
Pool Performance. Displays the same performance metrics found in the Aggregate Details view, but in chart format.
•
Perform Pool Change Analysis. Click to identify the NASVolumes and LUNs primarily responsible for increased I/O. For more information, see Analyzing the Pool.
•
Perform Pool Load Analysis. Click to identify the busiest NASVolumes and LUNs, and rank them based on their activity during the same time range over the last 30 days. For more information, see Analyzing the Pool.
3
Click the Capacity tab.
Displays the following:
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Capacity Summary
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Capacity Usage Trends: Chart provides a visual display of the estimated capacity consumption in the future, based on a regression analysis of the historical capacity consumption.
* 
NOTE: If time until full shows “n/a”, it means enough historical data has not been collected yet. Mouse over to show how much more data is required. For more information, see Capacity Trending.

4
Click the Consumers tab.
Displays the NASVolumes and LUNs that are configured out of this aggregate.
•
Aggregate Details. Displays the aggregate’s status, parent filer, and current values for Advertised LUNs Size, Advertised NASVolumes Size, Total Usable Capacity, Available Usable Capacity, and Overcommitment.
•
NASVolumes Using This Aggregate. For each volume, displays its name, status, physical state, and whether the NASVolume is used by an entity in the monitored environment. The metric columns display current values for Data Rate, Latency, Advertised NASVolumes Size, Used Capacity, and % Used. Click a Sparkline to plot metric values over the time period.
The remaining columns provide the following details:
- Protection. Displays the type of protection in use on the volume.
- Thin?. Indicates whether the volume is thin-provisioned (true) or thick-provisioned.
- vFiler. The name of the aggregate’s parent virtual filer.
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LUNs Using This Aggregate. For each LUN, displays its name, status, physical state, and whether the LUN is used by an entity in the monitored environment. The metric columns display current values for Data Rate, Ops Rate, Latency, % Busy, and Advertised LUNs Size. Click a Sparkline to plot metric values over the time period.
The remaining columns provide the following details:
- Protection. Displays the type of protection in use on the LUN, such as the RAID level.
- Thin?. Indicates whether the LUN is thin-provisioned (true) or thick-provisioned.
- vFiler. The name of the aggregate’s parent virtual filer.
5
Click the Disks tab.
Displays the disks used by the selected aggregate.
6
To investigate further:
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Click a NASVolume name. See Investigating a NASVolume (includes a topology diagram).
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Click a LUN name. See Investigating a LUN (includes a topology diagram).
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Click a disk name. See Investigating a Physical Disk.
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Click an alarm. See Assessing Storage Alarms.

Investigating an Array/Filer Port

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

To explore a port:
1
On a dashboard, click a filer or storage array port.
The Array/Filer Port dashboard opens.
2
Review overall performance in the Summary tab.
•
Details. Displays the port’s status, physical details, parent storage array or filer, port controller (for filers and non-cluster arrays) or member node (for cluster arrays), and current values for Data Rate, Ops Rate, Xmit Utilization, and Rcvd Utilization.
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Charts. Displays the following metrics over the time period, if available:
- Data Rate. Plots values for Data Rate, Data Read Rate, and Data Write Rate.
- Ops Rate. Plots values for Ops Rate, Read Ops Rate, and Write Ops Rate.
- Port Utilization. Plots values for Send Util and Rcv Util.
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Alarm Summary. Displays alarms on the port.
3
If available, click the Topology tab. This tab is displayed for Fibre Channel (FC) ports only.
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Basic Connectivity (diagram). Displays the selected port (left box) and its connection to its controller. If the port is an FC port, the N port on the fibre switch it connects to is also displayed.
- Click an icon for details about the device connected to the port.
- Click a device name to open a list of components that you can drill down on.
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Port Dependencies. On separate tabs, displays connections to LUNs (through the selected port) from virtual machines, ESX or Hyper-V servers, and physical hosts. If the selected port has problems or failures, the connected VMs or hosts may exhibit performance problems.
4
To investigate further:
•
In the topology diagram, click a port or controller icon to navigate to related components.
•
Click an alarm. See Assessing Storage Alarms.

Investigating a Controller

Controllers manage the ports used by a non-cluster storage array or filer.The data displayed in the dashboard reflects values for the component over the selected time range. The Controller dashboard has two tabs.

To explore a controller and its ports:
1
On a dashboard, click a controller name.
The Controller dashboard opens.
2
Review overall performance in the Summary tab.
•
Controller Details. Displays the controller’s status, physical details, and parent device.
•
Charts. Displays the following metrics over the time period, if available:
- Data Rate. Plots values for Data Rate, Data Read Rate, and Data Write Rate.
- Ops Rate. Plots values for Ops Rate, Read Ops Rate, and Write Ops Rate.
- Latency. Plots values for latency.
- % Busy.
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Alarm Summary. Displays alarms on the controller.
3
Review Port performance in the Port tab.
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FC Ports/IP Ports charts.
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If the operational link speeds for the ports are available, a chart will be displayed that shows the performance of the ports based on their average utilization in the time period.
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If the operational link speeds for the ports are not available, a chart will be displayed with the top three ports with the highest average Data Rate in the time period.
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Port Details. List the ports, their status and physical state, and current values for Data Rate and Ops Rate. Click a Sparkline to plot metric values over the time period.
 
* 
NOTE: Port metrics are not available for NetApp filers. The Ports tab is not displayed.
4
To investigate further:
•
Click a port name. See Investigating an Array/Filer Port.
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Click an alarm. See Assessing Storage Alarms.
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