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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

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.
•
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.
•
Alarm Summary. Displays alarms on the port.
3
If available, click the Topology tab. This tab is displayed for Fibre Channel (FC) ports only.
•
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.
•
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.
•
Alarm Summary. Displays alarms on the controller.
3
Review Port performance in the Port tab.
•
FC Ports/IP Ports charts.
•
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.
•
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.
•
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.
•
Click an alarm. See Assessing Storage Alarms.

Investigating a Directory

In Isilon storage arrays, directories are mounted by datastores. The data displayed in the dashboard reflects values for the directory over the selected time range. The Directory dashboard has one tab.

To explore a directory:
1
On a dashboard, click a directory name.
The Directory dashboard opens.
2
Review overall performance in the Summary tab.
•
Details. Displays the directory’s status, physical details, and parent device.
•
Topology. Displays the connections from datastores to the selected directory.
3
To investigate further, click an icon to see more detail about the entity it represents, and if desired, select a component name in the detailed view to navigate to the dashboard for that component.

Investigating an EqualLogic Member

Investigating an EqualLogic Member

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

To explore an EqualLogic member:
1
In a topology diagram or from the EqualLogic Storage Array dashboard, click an array member name.
The Member Node dashboard opens.
2
Review overall performance in the Summary tab.
•
Related Inventory. Displays a list of components from the perspective of the member (rather than the storage array).
•
Resource Utilization charts. Compares resources used by the member against resources used by the pool.
- Capacity Summary charts. Displays Used Capacity and Available Usable Capacity.
- Data Rate charts. Plots values for Data Read Rate and Data Write Rate.
- Ops Rate charts. Plots values for Read Ops Rate and Write Ops Rate.
- Latency charts. Plots values for Read Latency and Write Latency.
•
Member Network Load. Plots the member’s Send Util and Rcv Util over the time period.
•
Summary and Resource Information. Displays physical details about the member.
•
Alarm Summary. Displays alarms on the member.
3
Click the Network tab.
Displays the same information as the Network tab on the EqualLogic Storage Array dashboard, but the data reflects only the selected member.
4
Click the Disks tab.
Displays only the disks used by the selected member.
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