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Foglight for Storage Management Shared 4.8.5 - 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 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: Collection Target Support Matrix Online-Only Topics

Exploring a Cisco VSAN

The Storage Explorer’s VSAN dashboard contains information about the selected Cisco VSAN and all ports that are part of the VSAN. The data displayed reflects metric values for the selected time range. This walkthrough describes the contents of each of the tabs and points you to where you can drill down for more details.

To explore a VSAN:
1
On the navigation panel, under Dashboards, click Storage & SAN > Storage Explorer.
2
On the navigation panel, under Topology, expand Fabrics, expand a Cisco fabric with VSANs, and select a VSAN.
The VSAN dashboard opens with details for the selected VSAN.
 
* 
TIP: You can also open this dashboard from the Storage Environment dashboard by selecting a VSAN and clicking View in Explorer.
3
If the Alarm Count displays alarms, you may want to assess the alarms before continuing with this walkthrough. Click a status count to open a list of device and component alarms. For more information, see Assessing Storage Alarms.
4
In the Summary tab, review performance in terms of key metrics.
The Summary tab contains the same Related Inventory view and Resource Utilization charts as the VSAN Summary quick view.
5
Click the ISL Ports tab.
Displays the same information as the ISL Ports tab on the Fabric dashboard, but the data reflects only the ports that are part of the selected VSAN.
6
Click the N Ports tab.
Displays the same information as the N Ports tab on the Fabric dashboard, but the data reflects only the ports that are part of the selected VSAN.
7
To investigate further, click the name of a component on any tab:
•
Click a port name. See Investigating an FC Switch Port.
•
Click an alarm. See Assessing Storage Alarms.

Exploring a Filer

Foglight for Storage Management supports NetApp filers. NetApp uses the word aggregate instead of pool, but the metrics collected for aggregates and pools are similar. In some filer views, in particular the views on the LUNs tab and Disks tabs, the word pool may be displayed instead of aggregate, but in this context it refers to aggregates.

The Storage Explorer’s Filer dashboard contains information about the selected filer and its child components. The data displayed reflects values for the selected time range. This walkthrough describes the contents of each of the tabs and points you to where you can drill down for more details.

To explore a filer:
1
On the navigation panel, under Dashboards, click Storage & SAN > Storage Explorer.
2
On the navigation panel, under Topology, expand Filers and select a filer.
The Filer dashboard opens with details for the selected filer.
 
* 
TIP: You can also open this dashboard from the Storage Environment dashboard by selecting a filer and clicking View in Explorer.
3
In the Summary tab, review performance in terms of key metrics.
The Summary tab contains the same views as the Filer Summary (Selected Filer) quick view described in Monitoring Filers. In addition, the tab includes the following views:
•
Summary and Resource Information. Displays physical details about the filer.
•
Alarm Summary. Displays alarms on the filer.
4
Click the Controllers-Ports tab.
•
Controllers. The charts display the controllers with the highest average Data Rate and Ops Rate. The table displays current values for each of the charted metrics, plus Latency by block and file and the most severe alarm status on the FC ports and IP ports associated with this controller.
•
Ports. Select a controller from the Show Ports for Controller list. The ports associated with the selected controller are displayed, however the port’s physical state and performance metrics are unavailable for NetApp filers. The IP ports shown are used for iSCSI I/O to LUNs traffic.
•
Alarm Summary. Displays alarms on controllers and ports.
5
To investigate further, click the name of a component:
•
Click a controller name. See Investigating a Controller.
•
Click a port name. See Investigating an Array/Filer Port.
•
Click an alarm. See Assessing Storage Alarms.
6
Click the Aggregates tab.
•
Lowest Available Capacity. Displays the five aggregates with the lowest average value for Available Usable Capacity over the time period.
•
Most Overcommitted Aggregates. Identifies up to five of the most overcommitted aggregates, and displays current values for Advertised NASVolumes Size, Total Usable Capacity, and Used Capacity.
•
Aggregate Details. For each aggregate, displays the aggregate name, status, and current values for Total Usable Capacity, Available Usable Capacity, % Available, Advertised NASVolumes Size, and Overcommitment.
•
Alarm Summary. Displays alarms on aggregates.
To investigate further, click the name of a component:
•
Click an aggregate name. See Investigating an Aggregate.
•
Click an alarm. See Assessing Storage Alarms.
7
Click the NASVolumes tab.
This view lets you quickly see the top 15 NASVolumes with a selected metric, averaged over the selected time period.
Selecting the time period “for current” shows the NASVolumes with the worst current metric.
Selecting the time period “last 30 minutes, last hour, last 4 hours” shows the NASVolumes with the worst average values in that time period.
* 
NOTE: The selected time range looks at the average of values from collections that completed between the time at the end of the zonar, and the selected period before that.
The bars in the Average column show the values of the other items' metric relative to the first (highest) item.
Click on a name in the table, and summary details about that item will be displayed in details panel below. This panel will display the exact time period of the completed collections in the selected timerange.
To further investigate the selected item, click Explore in the details panel. See Investigating a NASVolume.
•
Alarm Summary. Displays alarms on NASVolumes.
To investigate further, click an alarm. See Assessing Storage Alarms.
8
Click the LUNs tab.
9
Click the Disks tab.
* 
NOTE: To investigate a NASVolume, LUN, or Disk that is not included in the Top 15 items on the NASVolumes, LUNs, or Disks tab, use the Advanced Find functionality on the Advanced Find tab to query for the desired items. For more information, see Advanced Find.

Exploring a Storage Array

The Storage Explorer’s Storage Array dashboard contains information about the selected storage array and its child components.

The tabs displayed on the dashboard differ depending on the selected storage array:

•
Non-Clustered Storage Arrays (supported storage arrays except EqualLogic and Isilon)
•
Dell EqualLogic Storage Array
•
EMC Isilon Storage Array
•
EMC VPLEX Storage Array

Non-Clustered Storage Arrays

Most supported storage arrays are displayed as described in this walkthrough. If you are using Dell EqualLogic arrays, EMC Isilon arrays, or EMC VPLEX arrays, see Dell EqualLogic Storage Array, EMC Isilon Storage Array, or EMC VPLEX Storage Array instead.

This walkthrough describes the contents of each of the tabs and points you to where you can drill down for more details. The data displayed reflects values for the selected time range.

To explore storage arrays:
1
On the navigation panel, under Dashboards, click Storage & SAN > Storage Explorer.
2
On the navigation panel, under Topology, expand Storage Arrays and select a storage array.
The Storage Array dashboard opens with details for the selected storage array.
 
* 
TIP: You can also open this dashboard from the Storage Environment dashboard by selecting an EqualLogic storage array and clicking View in Explorer.
3
If the Alarm Count displays alarms, you may want to assess the alarms before continuing with this walkthrough. Click a status count to open a list of device and component alarms. For more information, see Assessing Storage Alarms.
4
In the Summary tab, review performance in terms of key metrics.
The Summary tab contains the same views as the Storage Array Summary (Selected Storage Array) quick view described in Monitoring Storage Arrays. In addition, the tab includes the following views:
•
Summary and Resource Information. Displays physical details about the storage array.
•
Alarm Summary. Displays alarms on the storage array.
5
Click the Controllers-Ports tab.
•
Controllers. The charts display the controllers with the highest average Data Rate, Ops Rate, and % Busy, if available. The table displays current values for each of the charted metrics, plus Latency if available, and the most severe alarm status on the FC ports and IP ports associated with this controller.
•
Ports. Select a controller from the Show Ports for Controller list. The chart will display port utilization distribution, if the array provides the operating link speed of the ports. Otherwise, the Data Rate of the 3 busiest ports will be displayed. The tables will display all available current metrics for each port.
Alarm Summary. Displays alarms on controllers and ports.
To investigate further, click the name of a component:
•
Click an aggregate name. See Investigating an Aggregate.
•
Click an alarm. See Assessing Storage Alarms.
6
Click the Pools tab.
•
Show Top 15/All Pools/Pools w Thin LUNs With … This view lets you quickly see the top fifteen or all LUNs with a selected metric, averaged over the selected time period. The performance metrics that may be available for selection, depending on the array type, include:
•
R/w latency
•
Average queue depth
•
Data rate
•
Ops rate to disk
The capacity metrics that may be available for selection, depending on the array type, include:
•
Least time until full
•
Least or most available usable capacity
•
Least or most available raw capacity
Selecting the time period “for current” shows the LUNs with the worst current metric.
Selecting the time period “last 30 minutes, last hour, last 4 hours” shows the LUNs with the worst average values in that time period. These time periods are available only for performance metrics.
* 
NOTE: The selected timerange looks at the average of values from collections that completed between the time at the end of the zonar, and the selected period before that.
The bars in the Average column show the values of the other items' metric relative to the first (highest) item.
* 
NOTE: Selecting Pools w Thin LUNs is useful for monitoring Pools whose available capacity can change quickly because it contains thin-provisioned LUNs.
Click on a name in the table to display summary details about that item in the details panel below. This panel displays the exact time period of the completed collections in the selected timerange.
* 
NOTE: For Hitachi USP and VSP arrays, only user created Dynamic Provisioning (DP) pools are monitored.
To further investigate the selected item, click “Explore” in the details panel.
•
Alarm Summary. Displays alarms on pools.
To investigate further, click an alarm. See Assessing Storage Alarms.
7
Click the LUNs tab.
8
Click the Disks tab.
9
Click the Advanced Find tab to investigate a LUN or Disk that is not included in the Top 15 items on the LUNs or Disks. Use the Advanced Find functionality to query for the desired items. For more information, see Advanced Find.
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