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VERSIONI DI PROVA GRATUITA

Foglight APM for Real User Experience 5.9.10 - Installation and Setup Guide

Table of Contents

Installation overview

Introducing the monitoring architecture

Software components

Foglight Management Server Archiver Sniffer Browser Instrumentation Relayer Archiver databases

Ports used by Foglight APM

Appliance types Typical monitoring solutions

Monitoring physical networks Monitoring virtual networks Mixing physical and virtual appliances Adding Foglight APM to an existing Foglight installation

Installing physical appliances

Before you begin

Physical appliance components Other network components required Anatomy of an appliance

Planning an installation of physical appliances

Public network switch Private network switch for the capture subnet Network taps

Monitoring individual web servers Monitoring web server farms

Network information required for physical appliances

Installing appliances on a network rack Connecting appliances to the network Connecting Sniffers

Connecting Sniffers to network taps Connecting Sniffers to Archivers

Connecting one Sniffer to one Archiver Connecting Sniffers to Archivers

Starting physical appliances and configuring remote access Launching the Console Program remotely with DRAC

Installing virtual appliances

Monitoring multiple ESXi hosts

Monitoring multiple hosts through a centralized Sniffer Monitoring multiple hosts using local Sniffers Mixing virtual and physical appliances Scaling out a multiple host configuration Installing virtual appliances to monitor multiple hosts

Monitoring a single ESXi host

All-on-one-host variation Scalability Installing virtual appliances to monitor a single host

Before you begin

Software environment Foglight APM OVF templates Required port groups RAID configuration Network information for virtual appliances

Creating port groups on virtual switches

Configuring port groups on a distributed switch

Creating a Monitoring Network port group required by Sniffers Creating the Capture Network port group required by Sniffers and Archivers Creating a virtual adapter for the Capture Network port group

Configuring port groups on a standard switch

Deploying Foglight virtual templates Deploying the Foglight virtual Sniffer template Connecting virtual appliances on different servers Powering on virtual appliances

Setting up appliances

Logging in to the Console Program Enabling SSH and changing the default password Setting the date and time Specifying network settings Exiting the Console Program Launching Foglight Configuring software components

Working with appliance-hosted Management Servers

Configuring Management Server settings Configuring the Management Server to work with SSL keys

Creating a new SSL key for Foglight HTTPS access Using an existing SSL key for Foglight HTTPS access Configuring Foglight for secure remote LDAP access

Restricted file access Transferring support files from a physical appliance

Transferring files to Windows systems Transferring files to Linux systems

Troubleshooting appliance-hosted Management Servers Differences from working with server-hosted Management Servers

Setting up server-hosted Management Servers

Server requirements

Downloading and installing 256-bit encryption files Disabling the NetBIOS over TCP/IP setting

Installing Foglight APM cartridges Communicating with Sniffer and Archiver appliances Configuring Federated Children Enabling High Availability mode

Maintaining appliances

Launching the Console Program

Accessing physical appliances using SSH on Microsoft Windows systems Accessing physical appliances using SSH on UNIX systems

List of tasks available from the main menu Managing user accounts

Adding new user accounts Modifying user accounts and enabling SSH Removing user accounts

Modifying the time zone, time, or date Modifying the list of NTP servers for physical appliances Modifying network settings Shutting down appliances Rebooting appliances Updating software

Upgrading from a PKG file Displaying the upgrade log

Testing network settings Stopping and starting processes Reviewing the appliance system details and health status Reviewing the status of NIC devices Verifying monitored traffic by port Purging and resetting Archiver databases Creating support bundles Creating TCP dump files Accessing the home directory Creating Dell report archives on physical appliances

Backing up and restoring physical appliances

Setting up appliances as NetVault clients

Enabling an appliance's NetVault client Registering an appliance in NetVault

Running and restoring backups

Stopping Foglight and running a backup Restoring backups

Preparing a new appliance Restoring a backup

Appendix: Troubleshooting

Diagnosing Sniffer issues

Overview of the Sniffer test Running the Sniffer test Investigating and resolving issues in monitored traffic

Understanding packet drops with SPAN ports and aggregation network taps Expanding full partitions on virtual appliances

Expanding the size of virtual disks Expanding the size of partitions

Creating TCP dump files

You may be asked by a Dell Technical Support representative to create a TCP dump file. You need to specify the ports used to find traffic, and the amount of time during which packets will be captured.

The Console Program saves the TCP dump file to the current user’s home directory. For example, if you are logged in as setup, the directory /home/setup contains the file.


	IMPORTANT: A TCP dump file can contain confidential information, depending on the monitored application. Make sure you follow your organization’s security policies, and use appropriate safeguards when transferring TCP dump files to Dell Support.

To create a TCP dump file:

1

From the main menu, select Advanced Options.

2

Select More Advanced Options, then Collect TCP Dump File.

3

In the Enter Seconds screen, specify how long you want to capture information.

4

In the Verify Monitor Devices screen, specify the ports you want to monitor.

5

A status message monitors the process.

6

When the process ends, note the location of the file and select OK.

7

Use a SCP utility to copy the TCP dump file to a location on your computer. For help with this step, see Transferring support files from a physical appliance.

8

Send the file to your Dell Support representative.

Accessing the home directory

You can get to the home directory for the current user by accessing the appliance’s command-line shell.

To go to the home directory:

1

From the main menu, select Advanced Options.

2

Select Access Shell.

A console window opens, displaying a command prompt in the user’s home directory.

3

To leave the shell, enter Exit.

Creating Dell report archives on physical appliances

When troubleshooting hardware issues with a physical appliance, you may be asked by a Dell Technical Support representative to create a report archive. The Console Program saves the file to the current user’s home directory. For example, if you are logged in as setup, the directory /home/setup contains the file.

To create a report archive:

1

From the main menu, select Advanced Options.

2

Select More Advanced Options, then Dell System E-Support Tool.

A confirmation message appears.

3

To continue, select Yes.

The Dell System E-Support Tool runs and displays progress in a console window.

4

When the process ends, note the location of the file and select OK.

5

Use a SCP utility to copy the file to a location on your computer. For help with this step, see Transferring support files from a physical appliance.

6

Send the file to your Dell Support representative.

Backing up and restoring physical appliances

You use Dell NetVault™ to back up a Foglight Management Server hosted on a Foglight APM physical appliance. Dell NetVault backup and recovery products protect your enterprise data across multiple physical, virtual, and application environments to ensure optimal availability. NetVault Backup provides traditional data backup to disk and tape, as well as optional deduplication to maximize storage efficiency. After you register a Foglight APM appliance as a NetVault Backup client, you can back up the Management Server using a cold (system is offline) backup process. Hot backups (system is online) are no longer supported.


	NOTE: NetVault backs up the Foglight file system and Database Repository. Sniffers and Archivers (including the Archiver database) are not backed up.

The following table provides additional information about the backup process.

Table 13. Backup process details
	Backup
Purpose	Point-in-time backup
Foglight status	Shut down (offline)
File system backup	Yes
Database backup	Shutdown database
Backup process	Manual
Maintenance	None
Special requirements	None
Restore options	Originating appliance or a newly imaged appliance

You can perform the following tasks:

•

Setting up appliances as NetVault clients

•

Running and restoring backups

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