SDMC TMP-3T Manual de usuario Pagina 336

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310 IBM Systems Director Management Console: Introduction and Overview
򐂰 Choose an address that each node can reach by a single path. If there are
multiple paths, it is possible that one path is down, causing the ping to fail,
when the node is online.
򐂰 Do not use an address that either node uses, including the floating IP
address.
򐂰 The gateway address for the SDMC is a good candidate to use as a network
status IP address.
Floating IP address and agent manager IP address
The floating IP address is always initially assigned to the active node and is
reassigned to the secondary node that takes over as the active node during a
failure. This is the address that users should always access so that they always
connect to the currently active node.
If you use Common Agent Services (CAS) agents, they use the floating IP
address specified as the agent manager IP address to communicate with the
nodes. For information about common agents, see the Common Agent topic in
the Systems Director Information Center at:
http://publib.boulder.ibm.com/infocenter/director/v6r2x/index.jsp
The agent manager uses the agent manager IP address to identify itself to the
CAS agents that it manages. If you only specify one floating IP address, it is used
as the agent manager IP address. If you specify more than one floating IP
addresses, you can specify which one is the agent manager IP address.
Guidelines for the floating IP address
The guidelines for the floating IP address are:
򐂰 It must not be in use.
򐂰 All systems that need to connect to the nodes must be able to access this IP
address through your network.
򐂰 If your nodes are connected to multiple networks, configure multiple floating
IP addresses.
All CAS agents you want to manage must be able to contact the floating IP
address that you specify as the Agent Manager address.
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