PRIMECLUSTER Installation and Administration Guide 4.2 (Linux for Itanium)

A.8.3 GLS Setup Worksheet

If you will be using Global Link Services (GLS), use the GLS Setup Worksheet to organize the input items beforehand.

This section describes the worksheet settings for the following typical duplexing modes:

• NIC switching mode (logical IP takeover)

• NIC switching mode (physical IP takeover I)

• NIC switching mode (physical IP takeover II)

• Fast switching mode

• For configuration instructions for other duplexing modes, see "Appendix B Examples of Setting Up" in the "PRIMECLUSTER Global Link Services Configuration and Administration Guide : Redundant Line Control Function."

• For information on the items in this sheet, see the explanation at the bottom of the sheet and "Initial GLS Setup." Also see "GLS Setup Worksheet" in "System Design Examples."

NIC switching mode (Logical IP Takeover)

[Setup items]

• Switching mode

  Specify a redundant operation type for GLS; Fast switching mode, NIC (Network Interface Card) switching mode, or RIP mode.
  Add d (logical IP takeover of the NIC switching mode) to the "-m" option of the "hanetconfig create" command.

• Takeover virtual interface name

  Specify the name of the virtual interface for cluster switchover.
  The virtual interface is automatically created under the name of shaX:NN (X and NN are numbers) as a result of executing the "hanethvrsc create" command.

• Takeover virtual IP address (or host name)

  Specify the IP address (or host name) for cluster switchover.
  The same logical IP address (or host name) that was set in nodes (1) and (2) is set as a result of executing the "hanethvrsc create" command.

• Subnet mask

  Specify the subnet mask for the takeover virtual IP address by using the "hanetmask create" command.

  This value is applied to all physical IP address and logical IP address.
  Note that if the IPv6 address is used and if a subnet is not used for the IPv4 address, you do not need to specify this value.

• Virtual interface name

  Specify the virtual interface name to be assigned to the physical interface to be duplexed.
  Specify shaX (X is a number) to the "-n" option of the "hanetconfig create" command.
  Set the same name for node (1) and node (2).

• Primary physical interface name

  Specify the name of the interface to be first activated among the duplexed physical interfaces(e.g. eth0, eth1, etc.)

  Specify the name to the "-t" option of the "hanetconfig create" command.

• Secondary physical interface name

  Among the duplexed physical interfaces, specify the name of the interface to be activated after switchover from the primary physical interface(e.g. eth0, etc.). Specify the name to the "-t" option of the "hanetconfig create" command.

• Physical IP address (or host name)

  Specify the physical IP address (or host name) to be assigned to the physical interface to be duplexed.
  Specify the value to the "-e" option of the "hanetconfig create" command.
  Specify different values for node (1) and node (2).

• Logical IP address (or host name)

  Specify the logical IP address (or host name) to be assigned to the physical interface to be duplexed.
  Specify the value to the "-i" option of the "hanetconfig create" command. Specify the same value for node (1) and node (2).
  At the logical IP address, specify an IP address with the same network number as the physical IP address.

• Primary monitoring-destination IP address (or host name)

  Specify the IP address (or host name) of the switching hub to be monitored when the primary physical interface is used.
  Specify the value to the "-p" option of the "hanetpoll create" command.

• Secondary monitoring-destination IP address (or host name)

  Specify the IP address (or host name) of the switching hub to be monitored when the secondary physical interface is used.
  Specify the value to the "-p" option of the "hanetpoll create" command.

• Standby NIC patrol

  When monitoring the standby NIC, specify p for standby patrol (automatic switchback in the event of a failure) or q for standby patrol (immediate automatic switchback) to the -m option of the "hanetconfig create" command.

NIC switching mode (physical IP takeover I)

[Setup items]

• Switching mode

  Specify a redundant operation type for GLS; Fast switching mode, NIC (Network Interface Card) switching mode, or RIP mode.
  Add e (physical IP takeover of the NIC switching mode) to the "-m" option of the "hanetconfig create" command.

• Takeover virtual interface name

  Specify the name of the virtual interface for cluster switchover.
  The virtual interface is automatically created under the name of shaX:NN (X and NN are numbers) as a result of executing the "hanethvrsc create" command.

• Takeover virtual IP address (or host name)

  Specify the IP address (or host name) for cluster switchover.
  The same logical IP address (or host name) that was set in nodes (1) and (2) is set as a result of executing the "hanethvrsc create" command.

• Subnet mask

  Specify the subnet mask for the takeover virtual IP address by using the "hanetmask create" command.

  This value is applied to all physical IP address and logical IP address.
  Note that if the IPv6 address is used and if a subnet is not used for the IPv4 address, you do not need to specify this value.

• Virtual interface name

  Specify the virtual interface name to be assigned to the physical interface to be duplexed.
  Specify shaX (X is a number) to the "-n" option of the "hanetconfig create" command.
  Set the same name for node (1) and node (2).

• Primary physical interface name

  Specify the name of the interface to be first activated among the duplexed physical interfaces (e.g. eth0, etc.)

  Specify the name to the "-t" option of the "hanetconfig create" command.

• Secondary physical interface name

  Among the duplexed physical interfaces, specify the name of the interface to be activated after switchover from the primary physical interface (e.g. eth0, etc.). Specify the name to the "-t" option of the "hanetconfig create" command.

• Physical IP address (or host name)

  Specify the physical IP address (or host name) to be assigned to the physical interface to be duplexed.
  Specify the value to the "-e" option of the "hanetconfig create" command.
  Specify different values for node (1) and node (2).

• Logical IP address (or host name)

  Specify the logical IP address (or host name) to be assigned to the physical interface to be duplexed.
  Specify the value to the "-i" option of the "hanetconfig create" command. Specify the same value for node (1) and node (2).
  At the logical IP address, specify an IP address with the same network number as the physical IP address.

• Primary monitoring-destination IP address (or host name)

  Specify the IP address (or host name) of the switching hub to be monitored when the primary physical interface is used.
  Specify the value to the "-p" option of the "hanetpoll create" command.

• Secondary monitoring-destination IP address (or host name)

  Specify the IP address (or host name) of the switching hub to be monitored when the secondary physical interface is used.
  Specify the value to the "-p" option of the "hanetpoll create" command.

• Standby NIC patrol

  When monitoring the standby NIC, specify p for standby patrol (automatic switchback in the event of a failure) or q for standby patrol (immediate automatic switchback) to the -m option of the "hanetconfig create" command.

NIC switching mode (physical IP takeover II)

[Setup items]

• Switching mode

  Specify a redundant operation type for GLS; Fast switching mode, NIC (Network Interface Card) switching mode, or RIP mode.
  Add e (physical IP takeover of the NIC switching mode) to the "-m" option of the "hanetconfig create" command.

• Takeover virtual interface name

  Specify the name of the virtual interface for cluster switchover.
  The virtual interface is automatically created under the name of shaX:NN (X and NN are numbers) as a result of executing the "hanethvrsc create" command.

• Takeover virtual IP address (or host name)

  Specify the IP address (or host name) for cluster switchover.
  The same logical IP address (or host name) that was set in nodes (1) and (2) is set as a result of executing the "hanethvrsc create" command.

• Subnet mask

  Specify the subnet mask for the takeover virtual IP address by using the "hanetmask create" command.

  This value is applied to logical IP address.
  Note that if the IPv6 address is used and if a subnet is not used for the IPv4 address, you do not need to specify this value.

• Virtual interface name

  Specify the virtual interface name to be assigned to the physical interface to be duplexed.
  Specify shaX (X is a number) to the "-n" option of the "hanetconfig create" command.
  Set the same name for node (1) and node (2).

• Primary physical interface name

  Specify the name of the interface to be first activated among the duplexed physical interfaces (e.g. eth0, etc.)

  Specify the name to the "-t" option of the "hanetconfig create" command.

• Secondary physical interface name

  Among the duplexed physical interfaces, specify the name of the interface to be activated after switchover from the primary physical interface (e.g. eth0, etc.). Specify the name to the "-t" option of the "hanetconfig create" command.

• Logical IP address (or host name)

  Specify the logical IP address (or host name) to be assigned to the physical interface to be duplexed.
  Specify the value to the "-i" option of the "hanetconfig create" command. Specify the same value for node (1) and node (2).

• Primary monitoring-destination IP address (or host name)

  Specify the IP address (or host name) of the switching hub to be monitored when the primary physical interface is used.
  Specify the value to the "-p" option of the "hanetpoll create" command.

• Secondary monitoring-destination IP address (or host name)

  Specify the IP address (or host name) of the switching hub to be monitored when the secondary physical interface is used.
  Specify the value to the "-p" option of the "hanetpoll create" command.

• Standby NIC patrol

  When monitoring the standby NIC, specify p for standby patrol (automatic switchback in the event of a failure) or q for standby patrol (immediate automatic switchback) to the -m option of the "hanetconfig create" command.

Fast switching mode

[Setup items]

• Switching mode

  Specify a redundant operation type for GLS; Fast switching mode, NIC (Network Interface Card) switching mode, or RIP mode.
  Add t (Fast switching mode) to the "-m" option of the "hanetconfig create" command.

• Takeover virtual interface name

  Specify the name of the virtual interface for cluster switchover.
  The virtual interface is automatically created under the name of shaX:NN (X and NN are numbers) as a result of executing the "hanethvrsc create" command.

• Takeover virtual IP address (or host name)

  Specify the IP address (or host name) for cluster switchover.
  Specify the value to the "-i" option of the "hanethvrsc create" command.
  At the takeover IP address, specify an IP address with the same network number as the virtual IP address.

• Subnet mask

  Specify the subnet mask that is to be applied to the takeover virtual IP address. Specify this with the "hanetmask create" command.
  Note that if the IPv6 address is used and if a subnet is not used for the IPv4 address, you do not need to specify this value.

• Virtual interface name

  Specify the virtual interface name to be assigned to the physical interface to be duplexed.
  Specify shaX (X is a number) to the "-n" option of the "hanetconfig create" command.
  Set the same name for node (1) and node (2).

• Physical interface name (1) and (2)

  Specify the name of the interface to be first activated among the duplexed physical interfaces (e.g. eth0, eth1, etc.)
  Specify the name to the "-t" option of the "hanetconfig create" command.

• Virtual IP address (or host name)

  Specify the virtual IP address (or host name) to the "-i" option of the "hanetconfig create" command.
  Specify different values for node (1) and node (2).
  At the virtual IP address, specify the IP address with a network number that is different from the physical IP address.

• Subnet mask

  Specify the value of the subnet mask that is to be applied to the virtual IP address. Specify this with the "hanetmask create" command. This value must be identical to the value of the subnet mask that is to be applied to the takeover virtual IP.
  Note that if the IPv6 address is used and if a subnet is not used for the IPv4 address, you do not need to specify this value.

• Physical IP address (1) and (2)

  Specify the physical interface name to be assigned to the physical interface to be duplexed.
  This value must be specified in the /etc/sysconfig/network-scripts/ifcfg-ethX file (ethX indicates a physical interface name).
  At physical IP addresses (1) and (2), specify IP addresses with different network numbers.

• Subnet mask

  Specify the value of the subnet mask that is to be applied to the physical IP address.
  This value must be specified in the /etc/sysconfig/network-scripts/ifcfg-ethX file (ethX indicates a physical interface name).
  Note that if the IPv6 address is used and if a subnet is not used for the IPv4 address, you do not need to specify this value.