添加进程，启动进程报错
1.0添加进程
GGSCI (t2) 22> add ext exta,tranlog,begin now EXTRACT added. --添加exta(ext标准命名规则a)，读取日志，从当前开始 GGSCI (t2) 24> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER RUNNING EXTRACT STOPPED EXTA 00:00:00 00:15:25 当配置EXTRACT进程时，捕获DML（受支持的数据库且配置DDL） --extract捕获事务已trail文件形式存储在文件系统中，每个事务中记录的是有序的保证了速度及数据的完整性。 --可以配置多个extract提取进程，可以对不同的对象进行操作，例如两个extract可以与两个replicat进程并行提取和传输
配置本地文件系统配置tar文件 GGSCI (t2) 25> add exttrail /home/ogg/ogg/dirdat/ab,ext exta,MEGABYTES 20 EXTTRAIL added. 目录，及名称名称，会存在多个tar文件，命名自动后续增加； 进程传输 ext进程；tar文件大小20M 为何源端配置本地存储tar文件,如果没有data pump,则Extract必须将捕获的数据操作发送至远程目标端。如果目标端系统或网络不可用，则源端捕获的变更无法传送至目标端，目标端恢复则数据同步耗时过长。 配置本地存储tar文件后，只要源端存在捕获记录，目标端短时间故障恢复后，数据泵可以将源端捕获的数据传送至目标端。 提取进程组 GGSCI (t2) 26> add extract dpea,EXTTRAILSOURCE /home/ogg/ogg/dirdat/ab EXTRACT added. 对提取进程进行追踪 GGSCI (t2) 27> add rmttrail C:\win_oracle_11_database\ogg\ab,ext dpea,MEGABYTES 20 RMTTRAIL added. 启动捕获进程exta GGSCI (t2) 30> info all –根据进程名称，配置参数 EXTRACT STOPPED EXTA 00:00:00 00:31:08 GGSCI (t2) 31> edit param exta extract exta setenv (NLS_LANG=AMERICAN_AMERICA.ZHS16GBK) setenv (ORACLE_SID=t2) USERID ogg,PASSWORD ogg EXTTRAIL /home/ogg/ogg/dirdat/ab dynamicresolution table test001.t1;
2.0 排查
GGSCI (t2) 36>start exta GGSCI (enmo) 16> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER RUNNING EXTRACT STOPPED DPEA 00:00:00 00:00:49 EXTRACT STOPPED EXTA 00:00:00 00:01:10 错误排查 GGSCI (t2) 36> view report exta soft limit hard limit
Address Space Size : unlimited unlimited
Heap Size : unlimited unlimited
File Size : unlimited unlimited
CPU Time : unlimited unlimited
setenv (ORACLE_SID=t2)
Set environment variable (ORACLE_SID=t2)
USERID ogg,PASSWORD ***
2019-01-27 22:10:57 ERROR OGG-00664 OCI Error beginning session (status = 1034-ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux-x86_64 Error: 2: No such file or directory).
2019-01-27 22:10:57 ERROR OGG-01668 PROCESS ABENDING.
修改参数 [ogg@t2 dirprm]$ vi /home/ogg/ogg/dirprm/exta.prm setenv (ORACLE_SID=t2) --替换为 a11204 [ogg@t2 ogg]$ vi ggserr.log
GGSCI (enmo) 19> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
EXTRACT STOPPED DPEA 00:00:00 21:57:06
EXTRACT STOPPED EXTA 00:00:00 21:57:27
GGSCI (enmo) 20> start exta
Sending START request to MANAGER ...
EXTRACT EXTA starting
GGSCI (enmo) 22> info all
Program Status Group Lag at Chkpt Time Since Chkpt
MANAGER RUNNING
EXTRACT RUNNING EXTA 21:57:30 00:00:05