/etc/hosts,GoldenGate

[oracle@g]$ netstat -alp|grep 7809
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 *:7809 *:* LISTEN 2093/mgr
tcp 0 0 192.168.1.213:7809 192.168.1.213:58471 TIME_WAIT -
getnameinfo failed

GGSCI (databasep) 7> info all

Program Status Group Lag Time Since Chkpt

MANAGER RUNNING
EXTRACT STOPPED EXT1 00:00:00 00:04:25

GGSCI (databasep) 8> start extract ext1

Sending START request to MANAGER ...

ERROR: opening port for MGR MGR (Connection timed out).

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切记，切记；oracle他家就认准/etc/hosts了；

内网地址 hostname