OGG-00665 (status = 1502-ORA-01502: index 'index' or partition of such index is in unusable state)

今天同事在新搭建的压力测试环境启动某个 OGG replicat 进程时报了如下错误：

2013-05-14 16:37:41 ERROR OGG-00665 OCI Error executing single row select (status = 1502-ORA-01502: index 'GGS.SYS_C00188744' or partition of such index is in unusable state), SQL<INSERT I

NTO ggs.ggs_checkpoint (group_name, group_key, current_dir, create_ts, last_update_ts, seqno, rba, audit_ts, version) VALUES (:group_name, :group_key, :current_dir, :create_ts, sysdate, :seqn

o, :rba, :audit_ts, :version)>.

2013-05-14 16:37:41 ERROR OGG-01668 PROCESS ABENDING.

从错误描述得知，在启动 replicat 进程时往 replicat 进程注册的 checkpoint table 中插入记录时，该表上的索引
GGS.SYS_C00188744 不可用导致数据库报 ORA-01502 无法插入记录。

查看 goldengate 用户ggs下该索引确实处于 unusable 状态。

set linesize 200

select INDEX_NAME,TABLE_OWNER,TABLE_NAME,status from dba_indexes where owner='GGS';

INDEX_NAME TABLE_OWNER TABLE_NAME STATUS

------------------------------ ------------------------------ ------------------------------ --------

SYS_C00188745 GGS GGS_CHECKPOINT_LOX VALID

SYS_C00188744 GGS GGS_CHECKPOINT UNUSABLE

尝试创建该 GGS.SYS_C00188744 索引，又报 ORA-01452——checkpoint 表中存在重复的记录。

SQL> alter index GGS.SYS_C00188744 rebuild;

alter index GGS.SYS_C00188744 rebuild

*

ERROR at line 1:

ORA-01452: cannot CREATE UNIQUE INDEX; duplicate keys found

查看 ggs.ggs_checkpoint 表发现，该记录中3个 replicat 进程的检查点信息，但是均存在重复的条目。

SQL> select GROUP_NAME,GROUP_KEY,SEQNO,RBA from ggs.ggs_checkpoint;

GROUP_NA GROUP_KEY SEQNO RBA

-------- ---------- ---------- ----------

RZJTS_TS 1073473462 153 2758109

RZJ_TS1 3800184173 97 93284

RCX_TS1 1668969800 3668 38271465

RZJTS_TS 1073473462 153 2758109

RZJ_TS1 3800184173 97 93284

RCX_TS1 1668969800 3668 38271465

尝试备份该表中的信息，然后删除记录再插入唯一条目,无法成功。

create table hx_bak.ggs_checkpoint_bak as select * from ggs.ggs_checkpoint;

*

ERROR at line 1:

ORA-01502: index 'GGS.SYS_C00188744' or partition of such index is in unusable state

SQL> delete from ggs.ggs_checkpoint;

delete from ggs.ggs_checkpoint

*

ERROR at line 1:

ORA-01502: index 'GGS.SYS_C00188744' or partition of such index is in unusable state

由于此环境中的 ggs schema 完全导入自生产环境，而且在灌入数据初期因为表空间分配不合理做过多次 move tablespace 操作，可能是导致上述索引失效。

现在索引无法 rebuild ，也无法删除重复记录，于是考虑删除 ggs.ggs_checkpoint 表重建（删除前先用csv或其他方式备份原有记录）。

SQL> drop table ggs.ggs_checkpoint_lox;

Table dropped.

GGSCI (bjcszjdb02) 3> dblogin userid ggs,password register

Successfully logged into database.

GGSCI (bjcszjdb02) 1> view params ./GLOBALS

GGSCHEMA ggs

CHECKPOINTTABLE ggs.ggs_checkpoint

GGSCI (bjcszjdb02) 2> add checkpointtable

No checkpoint table specified, using GLOBALS specification (ggs.ggs_checkpoint)...

ERROR: OCI Error ORA-00955: name is already used by an existing object (status = 955). Creating transaction table ggs.ggs_checkpoint_lox, SQL <CREATE TABLE ggs.ggs_checkpoint_lox ( group_name VARCHAR2(8) NOT NULL, group_key NUMBER(19) NOT NULL, log_cmplt_csn
VARCHAR2(129) NOT NULL, log_cmplt_xids_seq NUMBER(5) NOT NULL, log_cmplt_xids VARCHAR2(2000) NOT NULL, PRIMARY KEY(group_name, group_key, log_cmplt_csn, log_cmplt_xids_seq))>.

错误提示创建事务表 ggs.ggs_checkpoint_lox 时，ggs schema 下已存在同名的对象，导致 add checkpointtable 执行失败，ggs.ggs_checkpoint 添加失败。

删除 ggs.ggs_checkpoint_lox 后再次尝试添加，结果成功。

GGSCI (bjcszjdb02) 4> add checkpointtable

No checkpoint table specified, using GLOBALS specification (ggs.ggs_checkpoint)...

Successfully created checkpoint table ggs.ggs_checkpoint.

然后利用备份的数据再往 ggs.ggs_checkpoint 表插入唯一记录便可正常启动 replicat 进程。

转载请注明作者错处及原文链接：
http://blog.csdn.net/xiangsir/article/details/8927833