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Adding a node to a single-node cluster
All nodes in the new cluster must run the same version of VCS. The example
procedure refers to the existing single-node VCS node as Node A. The node that
is to join Node A to form a multiple-node cluster is Node B.
Table 8-3 specifies the activities that you need to perform to add nodes to a
single-node cluster.
Table 8-3
Tasks to add a node to a single-node cluster
ReferenceTask
See “Setting up a node to join the single-node
cluster” on page 144.
Set up Node B to be compatible with
Node A.
See “Installing and configuring Ethernet cards
for private network” on page 144.
■ Add Ethernet cards for private
heartbeat network for Node B.
■ Ifnecessary,addEthernetcardsfor
privateheartbeatnetworkforNode
A.
■ Make the Ethernet cable
connectionsbetweenthetwonodes.
See“Configuringthesharedstorage”onpage145.Connect both nodes to shared storage.
See “Bringingup the existingnode” on page 145.■ Bring up VCS on Node A.
■ Edit the configuration file.
■ Edit the startup scripts.
See “Installing the VCS software manually when
addinganodetoasinglenodecluster”onpage 146.
Ifnecessary,installVCS onNodeBand
add a license key.
Make sure Node B is running the same
version of VCS as the version on Node
A.
See “Configuring LLT and GAB” on page 128.Edit the configuration files on Node B.
See “Starting LLT and GAB” on page 149.StartLLT and GAB on Node B.
See “Reconfiguring VCS on the existing node”
on page 149.
■ Start LLT and GAB on Node A.
■ Restart VCS on Node A.
■ Modify service groups for two
nodes.
See “Verifying configuration on both nodes”
on page 150.
■ Start VCS on Node B.
■ Verify the two-node cluster.
143Installing VCS on a single node
Adding a node to a single-node cluster