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Foglight for Infrastructure 5.9.8 - User Guide

Using Foglight for Infrastructure Monitoring log files with Foglight Log Monitor Monitoring IBM PowerVM environments
Before you begin Managing PowerVM HMC agents Monitoring your PowerVM environment
Advanced system configuration and troubleshooting Reference
Foglight for Infrastructure views Foglight Log Monitor views Rules Metrics
Appendix: Building regular expressions in Foglight

Using the PowerVM HMC agent

Foglight for PowerVM allows you to monitor IBM® PowerVM® environments. Foglight alerts you about infrastructure problems as soon as they develop, enabling you to resolve issues pro actively before end users are affected. Early intervention ensures consistent application performance at established service levels. Foglight for PowerVM monitors the health of your virtual system by tracking the levels of resource utilization such as CPU, network, and memory consumption of individual objects in your integrated environment.

To monitor a collection of PowerVM® servers, you need a running instance of the PowerVM HMC Agent. This agent is provided with Foglight for PowerVM.

For detailed information about monitoring a PowerVM infrastructure, see Monitoring IBM PowerVM environments.

Using the UnixAgentPlus

The UnixAgentPlus is fully supported for use in monitoring Linux® and Oracle Solaris® systems.

While a UnixAgentPlus collects all the metrics collected by a UnixAgent, it also:

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collects LogicalDisk.percentInodesRemaining as an additional metric.
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returns metrics for SAN mounted disks.
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provides the ability to specify which declared processes are reported when the Collect declared processes only property is set to true.
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NOTE: If you need to monitor AIX or HP-UX platforms, then UnixAgent must be used.

Monitoring remote hosts

Unlike the previous generation of system agents, Foglight for Infrastructure agents can be set up to monitor hosts remotely. A single Foglight Agent Manager can host many Foglight for Infrastructure agents, remotely monitoring different hosts.

Foglight for Infrastructure agents are best deployed on a Foglight Agent Manager that is closely located to the monitored host, for example on the same subnet. This is especially important for WindowsAgents because the communication interfaces they depend on are not well-suited to a high-latency environment, performing many remote operations to gather data. UnixAgentPluss and UnixAgents are also affected. A high latency between the Agent Manager and the monitored host can result in collections being skipped, and observed as gaps in data.

 
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NOTE: Monitoring remote Linux® and UNIX® hosts is possible using the SSH (secure shell) protocol. The Agent Manager does not support Telnet as a remote monitoring protocol because of potential security issues. For more information, see the Agent Manager Guide.

Foglight for Infrastructure agents can still be used locally in situations where remote operation is not possible.

Preventing memory leaks in Windows Server® 2008 R2 and Windows 7

Querying the Win32_Service WMI class can result in memory leaks when the agent monitors a Windows® Server 2008 R2 or Windows 7 system. If you see that the amount of memory used by the Wmiprvse.exe process keeps increasing, and the system performance decreasing, this is likely caused by this known Microsoft® issue. To prevent memory leaks, install the Microsoft hotfix #981314 available from http://support.microsoft.com/kb/981314.

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