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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

Exploring a Fabric

The Storage Explorer’s Fabric dashboard contains information about the selected fabric and its switches as well as all ports used by the switches in the fabric. 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 fabric:
1
On the navigation panel, under Dashboards, click Storage & SAN > Storage Explorer.
2
On the navigation panel, under Topology, expand Fabrics and select a fabric.
The Fabric dashboard opens with details for the selected fabric.
 
* 
TIP: You can also open this dashboard from the Storage Environment dashboard by selecting a fabric 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 Fabric Summary quick view. In addition, the tab includes the following views:
•
Summary and Resource Information. Displays physical details about the fabric.
•
FC Switch Detail. For each switch, displays the switch status, type of switch (physical or logical), and current value for Data Rate, followed by details about the ISL ports and N ports belonging to the switch. Ports details include the number of ports by alarm status and current values for Link Error Rate and Non-Link Error Rate. Click a  Sparkline to plot metric values over the time period.
•
Alarm Summary. Displays alarms on this fabric.
5
Click the ISL Ports tab.
•
Highest charts. The charts display the top three ISL ports in the fabric with the highest average Data Rate, Link Error Rate, and Non-Link Error Rate, respectively. The tables show the average and current values for the ports.
•
Topology Table (Inter-Switch Connections). For each switch, identifies all ISL port connections with other switches in the fabric.
•
Port Details. For each switch-plus-port combination, displays the name and type of switch (physical or logical) and the port name, status, and physical state. The metrics represent current values for Rcvd Utilization, Xmit Utilization, Link Error Rate, Non-Link Error Rate, and Link Speed. Click a Sparkline to plot metric values over the time period.
 
* 
NOTE: When the selected fabric is a Cisco physical fabric with VSANs, this table includes a VSAN column that identifies the VSANs to which each ISL port is assigned.
You can add the following metrics to the table by clicking the Customizer icon:
Frame Rate, Data Receive Rate, Data Rate, and Data Send Rate.
•
Alarm Summary. Displays alarms on ISL ports.
6
Click the N Ports tab.
•
Highest charts. The charts display the top three N ports in the fabric with the highest average Rcvd Utilization, Xmit Utilization, Link Error Rate, and Non-Link Error Rate, respectively. The tables show the average and current values for the ports.
 
* 
NOTE: When the selected fabric is a Cisco physical fabric with VSANs, the tables include a VSAN column that identifies the VSAN to which an N port is assigned.
•
Port Details. For each switch-plus-port combination, displays the name and type of switch and the port name, status, and physical state. The metrics represent current values for Rcvd Utilization, Xmit Utilization, Link Error Rate, Non-Link Error Rate, and Link Speed. Click a Sparkline to plot metric values over the time period.
 
* 
NOTE: When the selected fabric is a Cisco physical fabric with VSANs, this table includes a VSAN column that identifies the VSAN to which an N port is assigned.
You can add the following metrics to the table by clicking the Customizer icon:
Frame Rate, Data Receive Rate, Data Rate, and Data Send Rate.
•
Alarm Summary. Displays alarms on N ports.
7
To investigate further, click the name of a component on any tab:
•
Click a switch name. See Exploring a Switch.
•
Click a port name. See Investigating an FC Switch Port.
•
For Cisco fabrics with VSANs, click the text in the VSAN column and then select a VSAN. See Exploring a Cisco VSAN.
•
Click an alarm. See Assessing Storage Alarms.
8
To change the fabric name to a more user-friendly name, click the fabric name in the Summary and Resource Information panel.
The Change Fabric Name dialog appears, allowing you to enter a new name.

Exploring a Switch

The Storage Explorer’s FC Switch dashboard contains information about the selected Fibre Channel switch and all ports used by the switch. 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 switch:
1
On the navigation panel, under Dashboards, click Storage & SAN > Storage Explorer.
2
On the navigation panel, under Topology, expand Fabrics, expand the target fabric, and select a switch.
The FC Switch dashboard opens with details for the selected switch.
 
* 
TIP: You can also open this dashboard from the Storage Environment dashboard by selecting a switch 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 FC Switch Summary quick view. In addition, the tab includes the following views:
•
Summary and Resource Information. Displays physical details about the switch.
•
Topology Table (Inter-Switch Connections). Brocade logical switches only. For each switch, identifies all ISL port connections with other switches in the fabric.
•
Alarm Summary. Displays alarms on the switch.
5
Click the ISL Ports tab, if available.
 
* 
NOTE: This tab is hidden when the switch is a Brocade logical switch that uses only logical ISL ports for inter-switch connections. No metrics are available for logical ISL ports. The Topology Table (Inter-Switch Connections) table appears on the Summary tab instead.
Displays the same information as the ISL Ports tab on the Fabric dashboard, but the data reflects only the ISL ports used by the selected switch.
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 N ports used by the selected switch.
7
To investigate further, click the name of a component on any tab:
•
Click a port name. See Investigating an FC Switch Port.
•
For Cisco fabrics with VSANs, click the text in the VSAN column and then select a VSAN. See Exploring a Cisco VSAN.
•
Click an alarm. See Assessing Storage Alarms.

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.
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