| PRIMECLUSTER Global Link Services Configuration and Administration Guide: Redundant Line Control Function 4.1 (for Linux) |
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| Appendix B Examples of configuring system environments | > B.3 Example of configuring Fast switching mode (IPv4/IPv6) |
This section describes an example configuration procedure of the network shown in the diagram below.
The xx in the figure below are assigned automatically by the automatic address configuration.
For the network configuration other than GLS, refer to "3.2.2 Network configuration".
For configuring the cluster system, refer to the Cluster system manual.
In this section, description of private LAN is omitted.
The dotted line indicates that the interface is inactive.
You need at least a remote host using Fast switching mode other than a node used for configuring a Cluster system. For details on configuring a remote host, refer to "B.3.1 Example of the single system".
1-1) Define IP addresses and hostnames in /etc/inet/hosts file. Note that it is not necessary to define an IPv6 address, which automatically allocates address by the Stateless Address Autoconfiguration feature.
192.168.70.1 host11 # HOST-A Physical IP 192.168.71.1 host12 # HOST-A Physical IP 192.168.80.1 hosta # HOST-A Virtual IP 192.168.70.2 host21 # HOST-B Physical IP 192.168.71.2 host22 # HOST-B Physical IP 192.168.80.2 hostb # HOST-B Virtual IP 192.168.70.3 host31 # HOST-C Physical IP 192.168.71.3 host32 # HOST-C Physical IP 192.168.80.3 hostc # HOST-C Virtual IP 192.168.80.4 hosta1 # HOST-A/B/C Takeover virtual IP fec0:1::4 v6hosta1 # HOST-A/B/C Takeover virtual IP |
1-2) Configure /etc/sysconfig/network-scripts/ifcfg-ethX (X is 0,1) file as follows.
- Contents of /etc/sysconfig/network-scripts/ifcfg-eth0
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DEVICE=eth0 |
- Contents of /etc/sysconfig/network-scripts/ifcfg-eth1
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DEVICE=eth1 |
1-3) On the /etc/sysconfig/network file, define a statement allows the system to load IPv6 module.
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NETWORKING=yes |
Run the following command and reboot the system. After rebooting the system, verify eth0 and eth1 are enabled as an IPv4/IPv6 interface using ifconfig command.
/sbin/shutdown -r now
/opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.80.0 -m 255.255.255.0
/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha0 -m t -i 192.168.80.1 -t eth0,eth1
/opt/FJSVhanet/usr/sbin/hanetconfig create inet6 -n sha0 -m t -t eth0,eth1
/opt/FJSVhanet/usr/sbin/hanethvrsc create -n sha0 -i 192.168.80.4,fec0:1::4/64
Create /etc/radvd.conf file and set the followings
interface sha0
{
AdvSendAdvert on; # Sending router advertisements
MinRtrAdvInterval 3;
MaxRtrAdvInterval 10;
prefix fec0:1::0/64 # Sending Prefix fec0:1::0/64 from sha0
{
AdvOnLink on;
AdvAutonomous on;
AdvRouterAddr on;
};
}; |
In the server that runs Fast switching mode, configure two or more router as IPv6 router. If the IPv6 router breaks down, it cannot use site-local address to communicate. To prevent this, it is recommended to setup at least two IPv6 routers.
Depending on the version of radvd, kernel parameter(net.ipv6.conf.all.forwarding=1) must be defined in /etc/sysctl.conf file. For details on /etc/radvd.conf, refer to the radvd.conf(5), radvd(8) manual. In addition, when a system is SLES, please define a /etc/sysconfig/sysctl file as follows.
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IPV6_FORWARD=yes |
Run the following command and reboot the system.
/sbin/shutdown -r now
1-1) Define IP addresses and hostnames in /etc/inet/hosts file. Defined content is same as HOST-A.
1-2) Configure /etc/sysconfig/network-scripts/ifcfg-ethX (X is 0,1) file as follows.
- Contents of /etc/sysconfig/network-scripts/ifcfg-eth0
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DEVICE=eth0 |
- Contents of /etc/sysconfig/network-scripts/ifcfg-eth1
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DEVICE=eth1 |
1-3) On the /etc/sysconfig/network file, define a statement allows the system to load IPv6 module.
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NETWORKING=yes |
Run the following command and reboot the system. After rebooting the system, verify eth0 and eth1 are enabled as an IPv4/IPv6 interface using ifconfig command.
/sbin/shutdown -r now
/opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.80.0 -m 255.255.255.0
/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha0 -m t -i 192.168.80.2 -t eth0,eth1
/opt/FJSVhanet/usr/sbin/hanetconfig create inet6 -n sha0 -m t -t eth0,eth1
/opt/FJSVhanet/usr/sbin/hanethvrsc create -n sha0 -i 192.168.80.4,fec0:1::4/64
Create /etc/radvd.conf file and set the followings
interface sha0
{
AdvSendAdvert on; # Sending router advertisements
MinRtrAdvInterval 3;
MaxRtrAdvInterval 10;
prefix fec0:1::0/64 # Sending Prefix fec0:1::0/64 from sha0
{
AdvOnLink on;
AdvAutonomous on;
AdvRouterAddr on;
};
}; |
In the server that runs Fast switching mode, configure two or more router as IPv6 router. If the IPv6 router breaks down, it cannot use site-local address to communicate. To prevent this, it is recommended to setup at least two IPv6 routers.
Depending on the version of radvd, kernel parameter(net.ipv6.conf.all.forwarding=1) must be defined in /etc/sysctl.conf file. For details on /etc/radvd.conf, refer to the radvd.conf(5), radvd(8) manual. In addition, when a system is SLES, please define a /etc/sysconfig/sysctl file as follows.
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IPV6_FORWARD=yes |
Run the following command and reboot the system.
/sbin/shutdown -r now
1-1) Define IP addresses and hostnames in /etc/inet/hosts file. Defined content is same as HOST-A.
1-2) Configure /etc/sysconfig/network-scripts/ifcfg-ethX (X is 0,1) file as follows.
- Contents of /etc/sysconfig/network-scripts/ifcfg-eth0
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DEVICE=eth0 |
- Contents of /etc/sysconfig/network-scripts/ifcfg-eth1
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DEVICE=eth1 |
1-3) On the /etc/sysconfig/network file, define a statement allows the system to load IPv6 module.
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NETWORKING=yes |
Run the following command and reboot the system. After rebooting the system, verify eth0 and eth1 are enabled as an IPv4/IPv6 interface using ifconfig command.
/sbin/shutdown -r now
/opt/FJSVhanet/usr/sbin/hanetmask create -i 192.168.80.0 -m 255.255.255.0
/opt/FJSVhanet/usr/sbin/hanetconfig create -n sha0 -m t -i 192.168.80.3 -t eth0,eth1
/opt/FJSVhanet/usr/sbin/hanetconfig create inet6 -n sha0 -m t -t eth0,eth1
/opt/FJSVhanet/usr/sbin/hanethvrsc create -n sha0 -i 192.168.80.4,fec0:1::4/64
Create /etc/radvd.conf file and set the followings
interface sha0
{
AdvSendAdvert on; # Sending router advertisements
MinRtrAdvInterval 3;
MaxRtrAdvInterval 10;
prefix fec0:1::0/64 # Sending Prefix fec0:1::0/64 from sha0
{
AdvOnLink on;
AdvAutonomous on;
AdvRouterAddr on;
};
}; |
In the server that runs Fast switching mode, configure two or more router as IPv6 router. If the IPv6 router breaks down, it cannot use site-local address to communicate. To prevent this, it is recommended to setup at least two IPv6 routers.
Depending on the version of radvd, kernel parameter(net.ipv6.conf.all.forwarding=1) must be defined in /etc/sysctl.conf file. For details on /etc/radvd.conf, refer to the radvd.conf(5), radvd(8) manual. In addition, when a system is SLES, please define a /etc/sysconfig/sysctl file as follows.
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IPV6_FORWARD=yes |
Run the following command and reboot the system.
/sbin/shutdown -r now
After configuring HOST-A, HOST-B and HOST-C, register the created takeover virtual interface as a Gls resource to create a cluster application. Use RMS Wizard to set up the cluster configuration. For details, see "PRIMECLUSTER Installation and Administration Guide 4.1".
After completing the configuration, start the userApplication to activate the takeover virtual interface on the operation node.
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