今天在清理GoldenGate的Trail文件时一不小心全部删除了，导致GoldenGate在源端的EXTRACT进程挂起不能启动.
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1.删除源端数据库的EXTRACT进程:
GGSCI (crm_master) 4> dblogin userid ogg,password OC8rGBIjkBG
Successfully logged into database.
GGSCI (crm_master) 5> delete extract EXTND
Deleted EXTRACT EXTND.
GGSCI (crm_master) 6> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
EXTRACT RUNNING DPEND 00:00:00 00:00:06
GGSCI (crm_master) 7> add exttrail ./gglog/nd,extract EXTND,megabytes 1000
EXTTRAIL added.
GGSCI (crm_master) 8> ADD EXTTRAIL /oradata/gglog/nd, EXTRACT EXTND
EXTTRAIL added.
GGSCI (crm_master) 9> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
EXTRACT RUNNING DPEND 00:00:00 00:00:04
EXTRACT STOPPED EXTND 00:00:00 00:07:42
GGSCI (crm_master) 10> start extnd
Sending START request to MANAGER ...
EXTRACT EXTND starting
GGSCI (crm_master) 11> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
EXTRACT RUNNING DPEND 00:00:00 00:00:09
EXTRACT RUNNING EXTND 00:07:46 00:00:01
GGSCI (crm_master) 12>
2.进看源端数据库的Trail文件号
[oracle@node1 ogg]$ ll ../gglog/
total 724
-rw-rw-rw- 1 oracle oinstall 737414 Jul 27 14:34 nd000000
[oracle@node1 ogg]$
3.在目标端数据库指定Trail号
GGSCI (crm_slave) 5> alter REPLICAT repl extseqno 000, extrba 0
REPLICAT altered.
GGSCI (crm_slave) 6> start repl
Sending START request to MANAGER ...
REPLICAT REPL starting
GGSCI (crm_slave) 7> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
REPLICAT RUNNING REPL 00:00:00 00:00:00
GGSCI (crm_slave) 8>
