PRIMECLUSTER Global Link Services Configuration and Administration Guide: Multipath Function (for Solaris(TM) Operating Environment)

7.1.3 Notes

• The Multipath function can only be used for the enterprise LAN system. The Multipath function cannot be used for the operating control LAN system that is used in a private LAN (a private path) between nodes or under the operating management view.
• When the environmental configuration of the Multipath function is set, it is necessary to set the same interface name in each node. That is, when "mpnet0" is set as the interface name, the interface name set as a standby node also needs to set up "mpnet0." Registration of a resource can be performed when an interface name that is different by each node is set up. However, the registered resource may not be displayed in case cluster service and userApplication are registered after it using the operating management view.
• When "-" (global MAC address) is specified in the "MAC-address" parameter in the /etc/opt/FJSVmpnet/conf/parameters file, the global MAC address of each node is used.
  This means that the MAC address used by the online node is not succeeded to the standby node.
  MAC address value must be set if you use the MAC address of the online node for the MAC address of the standby node.
• The MAC address value must be set if you use FNA or SNA protocol as the high-layer protocol. In this case, "-" (global MAC address) is not specified in the "MAC-address" parameter in /etc/opt/FJSVmpnet/conf/parameters file.
• The TCP/IP interface is automatically activated at the cluster change by the environmental configuration in /etc/opt/FJSVmpnet/conf/hosts file of each node. Refer to "Chapter 3 Configuration" for detailed information about configuration.
• When the ATM is used, it becomes only "1:1 standby mode".
• Please register all the resources concerning ATM in one cluster service or one userApplication. When the cluster is switched when registering in different cluster service or userApplication, the communication might not be restarted.
• In Multipath function, if it becomes "fail" state by the abnormalities in the transmission path of the communication path to use all communication paths, a cluster will be changed.