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Foglight for Storage Management Shared 4.6 - User and Reference Guide

Getting Started 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

Advanced Find

The tabs for specific entities (like LUNs, Disks, Pools, NASVolumes) quickly identify the Top 15 objects exhibiting the “worst” values for a particular metric. Often, however, there is a need to locate objects by name, or with other characteristics. Use the Advanced Find functionality to locate these items.

Queries can be constructed using a combination of Property conditions and Metric conditions.

Figure 6. Advanced Find
3
Click Perform Query.

To find entities with current status or physical state:

3
Click Perform Query.

The metric conditions area lets you easily construct a more complex query that can include up to 3 conditions on metrics.

1
Period. Refers to the time range on the zonar displayed in the upper right-hand corner. Select the time the query should use for the metric values. When n/a is selected, this condition is ignored.
2
Metric. This drop down shows the metrics available for this entity type for this vendor.
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Click the + icon if you want to add another condition. The next condition row will be preceded by a AND/OR selector. A trash can icon will appear to the right of the + icon to let you remove a condition.

 

 

Investigating Storage Components

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

This section covers the following 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

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.

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.
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.

4
Click the Consumers tab.
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.
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.
Click a LUN name. See Investigating a LUN (includes a topology diagram).
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