Server Failover Concepts; Remote Server - 3Com 3CR15600 - Enterprise Management Suite Getting Started Manual

88 C 4: S
HAPTER ERVER
Server Failover
Concepts

Remote Server

F C
AILOVER ONFIGURATION
directory" using
directories.
shows how Server Failover works using the server-to-server
Figure 20
connection and the shared file system and database.
Figure 20 How Server Failover Works
Active
EMSHOME
JDBC
This section summarizes the key concepts and terminology used in Server
Failover.
At startup, neither EMS server knows whether it will run in Active or
Dormant mode. The run mode is determined by the server's ability to
connect to its remote server. If a connection can be made to the
remote server, the server puts itself into Dormant mode.
which the EMS server locates its files and
EMS_FILEHOME
Server-server notification
EMS Filesystem :
backups
agent files
golden config
telnet scripts
etc.
Clustered / Mirrored
Database
Dormant
EMSHOME
JDBC