HP CommonIO Products X.25 High Availability Configuration, Example 3-4One EXAMPLE of Remote Failure

Configuration

Configuring the High Availability Feature

to monitor the X.25 link status. It could be either a script based on x25ifstate or the x25ifstate command directly, depending on your configuration.

Package Control Script Location:

location of the script to start/stop the X.25 link and execute the service(s).

X.25 High Availability Configuration

General Solution for Local and Remote Failover

				Package A
				Hunt Group
PKG A		X.25PDN		Connections
Client				Package B
				Hunt Group
				Connections
				Alternate
PKG B
Client				Connections
				(Idle)
	X.25		X.25
	switch		switch

when package A is functional on system 1, system 2 is on standby for package A

DTE	DTE	DTE	DTE	DTE	DTE	DTE	DTE
PKG	PKG	PKG	PKG	PKG	PKG	PKG	PKG
A	A	B	B	A	A	B	B
Package A						Package B

if package A fails on system 1, system 2 takes over package A

Example 3-4 One EXAMPLE of Remote Failure

The only file that contains the X.25 commands to run for High

Availability is the /etc./cmcluster/pkg*/control.sh file (one per

X.25 package).

# SERVICE NAMES AND COMMANDS

SERVICE_NAME [0] =pkg1.Service_Name_01 (same SERVICE_NAME as in pkg conf) SERVICE_CMD [0] =”/usr/sbin/x25ifstate -d /dev/x25_1 -H -t 5” SERVICE_RESTART [0] = “ “

#add below the service names which define the applications that rely on the X.25 card

78 Chapter 3