PRIMECLUSTER Global Link Services Configuration and Administration Guide: Redundant Line Control Function 4.2 (for Linux)

3.6.9.1 Settings for NIC switching mode

The following shows the script file call format and the definition file sample for the operation in NIC switching mode.

(1) When activated or deactivated an IP address

[Script file call format]

/bin/sh shaX param1 param2 param3 param4

param1
activate: Activated
inactivate: Inactivated

param2
before: Before activation or deactivation
after: After activation or deactivation

param3
ifname: Physical interface name

param4
inet6: Address family (IPv6 only)
* No param4 for IPv4.

[Definition file sample]

#!/bin/sh
#
#       All Rights Reserved, Copyright (c) FUJITSU LIMITED 2004
#
#ident  "%W% %G% %U% - FUJITSU"
#

#
#  Control interface for HA-Net
#

#
#       Params
#
#       $1      activate or inactivate
#       $2      before or after
#       $3      physical interface name
#       $4      address family (IPv6 only)
#

#
# Set Params
#

#INTERFACE=$3
#IP_ADDR1="xx.xx.xx.xx"
#IP_ADDR2="yy.yy.yy.yy" 
#MAC_ADDR1="xx:xx:xx:xx:xx:xx"
#MAC_ADDR2="yy:yy:yy:yy:yy:yy"

cace $# in
3) 
    ADDRESS_FAMILY="inet"
;;
4)
    if [ $4 = "inet6" ]
    then
        ADDRESS_FAMILY="inet6"
    else
        ADDRESS_FAMILY="unknown"
    fi
;;
*)
    ADDRESS_FAMILY="unknown"
;;
esac

if [ $ADDRESS_FAMILY = "inet" ]
then

case "$1" in
'activate')

#
# Activate interface
#

case "$2" in
'before')
#
# script before activate interface
#

# echo "execute script before activate interface on" $INTERFACE > /dev/console

#if [ ! $INTERFACE = "ethX" ]
#then
#     ifconfig $INTERFACE
#else
#     ifconfig $INTERFACE 
#fi

;;

'after')
#
# script after activate interface
#

# echo "execute script after activate interface on" $INTERFACE > /dev/console

#if [ ! $INTERFACE = "ethX" ]
#then
#     arp -d $IP_ADDR1
#     ping $IP_ADDR2 2
#else
#     arp -d $IP_ADDR2
#     ping $IP_ADDR1 2
#fi

;;

*)
        ;;
esac

;;

'inactivate')
#
# inactivate interface
#

case "$2" in
'before')
#
# script before inactivate interface
#

# echo "execute script before inactivate interface on" $INTERFACE > /dev/console
;;

'after')
#
# script after inactivate interface
#

# echo "execute script after inactivate interface on" $INTERFACE > /dev/console

;;

*)
        ;;
esac

;;

*)
        ;;
esac

fi

if [ $ADDRESS_FAMILY = "inet6" ]
then

case "$1" in
'activate')

#
# Activate interface
#

case "$2" in
'before')
#
# script before activate interface
#

# echo "execute script before activate interface on" $INTERFACE > /dev/console

;;

'after')
#
# script after activate interface
#

# echo "execute script after activate interface on" $INTERFACE > /dev/console

;;

*)
        ;;
esac

;;

'inactivate')
#
# inactivate interface
#

case "$2" in
'before')
#
# script before inactivate interface
#

# echo "execute script before inactivate interface on" $INTERFACE > /dev/console

;;

'after')
#
# script after inactivate interface
#

# echo "execute script after inactivate interface on" $INTERFACE > /dev/console

;;

*)
        ;;

esac

;;

*)
        ;;

esac

fi

exit 0

(2) When detected an error in a transfer route

[Script file call format]

/bin/sh shaX param1

param1
Primary: Error in a Primary interface
Secondary: Error in a Secondary interface
all: Error in both Primary/Secondary interfaces

[Definition file sample]

#!/bin/sh
#
#       All Rights Reserved, Copyright (c) FUJITSU LIMITED 2004
#
#ident  "%W% %G% %U% - FUJITSU"
#
# Control interface for HA-Net
#
#
#     Params
#
#     $1  communication line state    primary/secondary/all
#
#
# Set Params
#
#STATE=$1
#PROC="process_name"
#kill -15 `/bin/ps -e | /bin/sed -n \
#       -e'/'$PROC'$/s/[^0-9 \t].*//p' \
#       ` > /dev/null 2>/dev/null
#if [ $STATE = "primary" ]
#then
# echo "execute script Polling fail : primary" > /dev/console
#fi
#if [ $STATE = "secondary" ]
#then
# echo "execute script Polling fail : secondary" > /dev/console
#fi
#if [ $STATE = "all" ]
#then
# echo "execute script Polling failover" > /dev/console
#fi

(3) When detected a standby patrol error or recovery

[Script file call format]

/bin/sh shaX param1 param2

param1
establish: Standby patrol established
recover: Standby NIC monitoring recovered
fail: Standby NIC error

param2
Physical interface name of standby NIC: Physical interface name such as ethX
unknown: Standby NIC undecided

[Definition file sample]

#!/bin/sh
#
#       All Rights Reserved, Copyright (c) FUJITSU LIMITED 2004
#
#ident  "%W% %G% %U% - FUJITSU"
#
# Control interface for HA-Net
#
#
#     Params
#
#     $1  standby NIC state   establish/recovery/fail
#     $2  standby NIC name    ethX
#
#
# Set Params
#
#STATE=$1
#NIC=$2
#if [ $STATE = "fail" ]
#then
# echo "execute script Patrol fail ($NIC)" > /dev/console
#fi
#if [ $STATE = "establish" ]
#then
# echo "execute script Patrol establish ($NIC)" > /dev/console
#fi
#if [ $STATE = "recover" ]
#then
# echo "execute script Patrol recover ($NIC)" > /dev/console
#fi