AMD LE-363 User's Guia do Utilizador descarregar pdf (Página 268)

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242 XgOS User’s Guide • September 2014

A chassis first becomes a standby XDS, then a master. Only a standby XDS can

become a master. This approach enables the system to always have backup

information, which avoids conditions where SM or a master XDS dies. In these cases,

all state information would be lost.

Add Server Profiles

Regardless of the number of chassis in your network, there is only one designated

master and one designated standby.

After the master and standby XDS are identified, each cluster member can

participate in server-profile creation.

When you issue the add server-profile command, for example:

The Oracle Fabric Interconnect sends this server record to both the master and

standby XDS. This record is retransmitted at periodic intervals. To ensure database

synchronization, each cluster member sends periodic updates to both the master and

standby XDS. If the master XDS fails, the standby will become the master and

another Oracle Fabric Interconnect in the cluster will become the new standby.

Each host server knows the address for SM, which in turn sends the master XDS

address to the host server. However, the host server has no knowledge of a standby

XDS. The master XDS provides a list of chassis-cluster members to the host server.

add server-profile <name> <server-name>@<f1-15>:ServerPort<num>

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AMD LE-363 User's Guia do Utilizador Página 268

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