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大数据备份和恢复应用案例--通过分区表备份和恢复数据(二)
2014-11-23 17:32:14 来源: 作者: 【 】 浏览:154
Tags:数据备份 恢复 应用 案例 通过 分区表 备份 数据
user_segments where segment_name='T1_INDX'; PARTITION_NAME TABLESPACE_NAME ------------------------------ ------------------------------ P1 TBS1_INDX P2 TBS2_INDX P3 TBS3_INDX 插入数据: 17:34:09 SYS@ prod >begin 17:34:26 2 for i in 1..3 loop 17:34:32 3 insert into scott.t1 select object_id*i,object_name from dba_objects where object_id <1000; 17:34:43 4 end loop; 17:34:51 5 commit; 17:34:57 6 end; 17:35:02 7 / PL/SQL procedure successfully completed. 17:32:08 SCOTT@ prod >select count(*) from t1; COUNT(*) ---------- 2826 17:36:52 SCOTT@ prod >select 'p1',count(*) from t1 partition(p1) 17:37:42 2 union 17:37:47 3 select 'p2',count(*) from t1 partition(p2) 17:38:11 4 union 17:38:13 5 select 'p3',count(*) from t1 partition(p3); 'P1' COUNT(*) -------------------------------- ---------- p1 1740 p2 774 p3 312 2、传输表空间 17:35:04 SYS@ prod >alter tablespace tbs1 read only; Tablespace altered. 17:41:02 SYS@ prod >alter tablespace tbs1_indx read only; Tablespace altered. 17:39:14 SYS@ prod >create directory tbs_dir as '/home/oracle/data'; Directory created. 17:40:30 SYS@ prod >grant read,write on directory tbs_dir to scott; Grant succeeded. [oracle@RH6 data]$ expdp system/oracle directory=tbs_dir dumpfile=p1.dmp transport_tablespaces=tbs1,tbs1_indx logfile=p1.log Export: Release 11.2.0.1.0 - Production on Tue Nov 18 17:44:25 2014 Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production With the Partitioning, OLAP, Data Mining and Real Application Testing options Starting "SYSTEM"."SYS_EXPORT_TRANSPORTABLE_01": system/******** directory=tbs_dir dumpfile=p1.dmp transport_tablespaces=tbs1,tbs1_indx logfile=p1.log ORA-39123: Data Pump transportable tablespace job aborted ORA-39187: The transportable set is not self-contained, violation list is ORA-39901: Partitioned table SCOTT.T1 is partially contained in the transportable set. ORA-39921: Default Partition (Table) Tablespace USERS for T1 not contained in transportable set. Job "SYSTEM"."SYS_EXPORT_TRANSPORTABLE_01" stopped due to fatal error at 17:44:49 传输表空间出错,表空间处于非自包含模式: 18:14:47 SYS@ prod >exec dbms_tts.transport_set_check('TBS1',true); PL/SQL procedure successfully completed. 18:17:49 SYS@ prod >select * from transport_set_violations; VIOLATIONS ------------------------------------------------------------------------------------------------------------------------ ORA-39921: Default Partition (Table) Tablespace USERS for T1 not contained in transportable set. . ORA-39901: Partitioned table SCOTT.T1 is partially contained in the transportable set. 解决方法,需要创建一个临时表和一个临时表索引,将分区和分区索引交换到临时表和临时表索引表空间上,然后到处临时表和临时表索引。由于临时表不是分区表,它们呢所在的表空间符合自包含条件。 17:45:37 SCOTT@ prod >create table t1_tmp as select * from t1 where 1=3; Table created. Elapsed: 00:00:00.20 17:45:58 SCOTT@ prod >create index t1_tmp_indx on t1_tmp(id); Index created. 17:46:33 SCOTT@ prod >select segment_name,tablespace_name from user_segments 17:47:18 2 where segment_name in ('T1_TMP','T1_TMP_INDX'); SEGMENT_NAME TABLESPACE_NAME --------------------------------------------------------------------------------- ------------------------------ T1_TMP USERS T1_TMP_INDX USERS 将分区表交换到临时表: 17:48:32 SCOTT@ prod >alter table t1 exchange partition p1 with table t1_tmp including indexes; T
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