Oracle Database 11g Release 2 Real Application Clusters with SLVM/RAW on HP-UX Installation Cookbook, September 2010

• Cluster SCAN address that will be used by all clients connecting to the cluster. It should be on same

subnet as of public interface. It is a domain name registered to at least one and up to three IP

addresses. It changes the need to change clients when nodes are added to or removed from the

cluster. It should be registered on Domain Name Server (DNS) or configured in /etc/host of all

nodes of cluster.

When configuring these networks, please consider:

• The public and private interface names associated with the network adapters for each network

should be the same on all nodes, for example, lan0 for private interconnect and lan1 for public

interconnect. If this is not the case, you can use the ioinit command to map the LAN interfaces to

new device instances:

– Write down the hardware path that you want to use:

# lanscan

Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI

Path Address In# State NamePPA ID Type Support Mjr#

1/0/8/1/0/6/0 0x000F203C346C 1 UP lan1 snap1 1 ETHER Yes 119

1/0/10/1/0 0x00306EF48297 2 UP lan2 snap2 2 ETHER Yes 119C

– Create a new ascii file with the following syntax:

Hardware_Path Device_Group New_Device_Instance_Number

Example:

# vi newio

1/0/8/1/0/6/0 lan 8

1/0/10/1/0 lan 9

Please note that you have to choose a device instance number that is currently not in use.

– Activate this configuration with the following command (-r option will issue a reboot):

# ioinit -f /root/newio -r

– When the system is up again, check new configuration:

# lanscan

Hardware Station Crd Hdw Net-Interface NM MAC HP-DLPI DLPI

Path Address In# State NamePPA ID Type Support Mjr#

1/0/8/1/0/6/0 0x000F203C346C 1 UP lan8 snap8 1 ETHER Yes 119

1/0/10/1/0 0x00306EF48297 2 UP lan9 snap9 2 ETHER Yes 119

• For the public network

– Each network adapter must support TCP/IP.

• For the private network

– Oracle recommends to use a subnet reserved for private networks, such as 10.0.0.0 or

192.168.0.0.

– Private IP address and private network name must be configured in /etc/hosts file on each node.

– The following interconnect technologies are currently supported (see also Oracle RAC

Technologies Certification Matrix for Unix at

http://www.oracle.com/technology/products/database/clus

tering/certify/tech_generic_unix_new)

– UDP over 1Gbit Ethernet

– IPoIB = IP protocol over Infiniband hardware