記錄一次impdp的過程
前幾天有一個測試用的庫資料不完全,于是從其他地方恢複了一個測試庫,使用效率比較高的impdp導入資料的方式,從AIX導入到一台Linux系統,但晚上頭暈眼花的,操作比較急,準備工作沒做好,碰到了一堆錯誤,記錄一下。
首先删除原來的schema:
SQL> drop user erp;
drop user erp
*
ERROR at line 1:
ORA-01940: cannot drop a user that is currently connected
使用者連接配接上來後是不讓删除的,先殺死這些連接配接:
SQL> select sid,serial#,username,machine from v$session where username=’ERP’;
SID SERIAL# USERNAME MACHINE
———- ———- —————————— —————————————————————-
116 61069 ERP erp-app
142 7619 ERP erp-app
155 51216 ERP erp-app
SQL> alter system kill session ’116,61069′;
System altered.
SQL> alter system kill session ’142,7619′;
System altered.
SQL> alter system kill session ’155,51216′;
System altered.
然後嘗試删除使用者:
SQL> drop user erp;
drop user erp
*
ERROR at line 1:
ORA-01922: CASCADE must be specified to drop ‘ERP’
SQL> drop user erp cascade;
User dropped.
重建立立新的使用者:
create user ERP
identified by banping
default tablespace ERP
temporary tablespace TEMP
profile DEFAULT;
– Grant/Revoke role privileges
grant connect to ERP;
grant dba to ERP;
grant resource to ERP;
– Grant/Revoke system privileges
grant unlimited tablespace to ERP;
開始利用已有的dblink和Directory導入資料:
[[email protected] ~]$ impdp system/banping SCHEMAS=(erp) directory=exp_dir network_link=dbbak89 logfile=exp_dir:impdp.log;
Import: Release 10.2.0.1.0 – 64bit Production on Monday, 21 December, 2009 21:15:25
Copyright (c) 2003, 2005, Oracle. All rights reserved.
Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 – 64bit Production
With the Partitioning, OLAP and Data Mining options
FLASHBACK automatically enabled to preserve database integrity.
Starting “SYSTEM”.”SYS_IMPORT_SCHEMA_03″: system ALTER DATABASE DATAFILE ‘/dev/rdb_erp_ht2′ RESIZE 14288M…
ORA-1144 signalled during: ALTER DATABASE DATAFILE ‘/dev/rdb_erp_ht’ RESIZE 32768M…
第一個是沒有足夠的可配置設定空間,第二個是達到了單個資料檔案的上限。
擴充完表空間後,這邊的導入會繼續進行,不用任何幹預:
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table ERP.CONTCOMM by 128 in tablespace ERP_HT
. . imported “ERP”.”CONTCOMM” 1341222 rows
然後又碰到了一個錯誤:
ORA-31679: Table data object “ERP”.”CONTCOMM_BACK” has long columns, and longs can not be loaded/unloaded using a network link
沒仔細研究這個錯誤,看來是個備份表,測試資料沒關系,就忽略了。以後有空再看看,表導完後又碰到了一個錯誤:
Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
ORA-39125: Worker unexpected fatal error in KUPW$WORKER.UNLOAD_METADATA while calling DBMS_METADATA.FETCH_XML_CLOB [INDEX:"CNDERP"."INDEX_STORELIST_UPISLCODE"]
ORA-01555: snapshot too old: rollback segment number 8 with name “_SYSSMU8$” too small
ORA-06512: at “SYS.DBMS_METADATA”, line 1546
ORA-06512: at “SYS.DBMS_METADATA”, line 1583
ORA-06512: at “SYS.DBMS_METADATA”, line 1891
ORA-06512: at “SYS.DBMS_METADATA”, line 3956
ORA-06512: at “SYS.DBMS_SYS_ERROR”, line 105
ORA-06512: at “SYS.KUPW$WORKER”, line 6241
—– PL/SQL Call Stack —–
object line object
handle number name
0xdd7542e0 14916 package body SYS.KUPW$WORKER
0xdd7542e0 6300 package body SYS.KUPW$WORKER
0xdd7542e0 2340 package body SYS.KUPW$WORKER
0xdd7542e0 6861 package body SYS.KUPW$WORKER
0xdd7542e0 1262 package body SYS.KUPW$WORKER
0xdde87480 2 anonymous block
Job “SYSTEM”.”SYS_IMPORT_SCHEMA_03″ stopped due to fatal error at 00:24:11
Job已經停止了,看來是索引方面的問題,于是加了2個參數(忽略不可用的索引、跳過已存在的表)重新導:
[[email protected] ~]$ impdp system/sys SCHEMAS=(erp) directory=exp_dir network_link=dbbak89 logfile=exp_dir:impdp.log SKIP_UNUSABLE_INDEXES=Y TABLE_EXISTS_ACTION=SKIP
于是在一堆ORA-31684、ORA-39151、ORA-39082和ORA-39083錯誤之中完成了導入:
ORA-39151: Table “ERP”.”BCODE” exists. All dependent metadata and data will be skipped due to table_exists_action of skip
2009/12/24 18:12 - Oracle 原文自:http://www.banping.com/2009/12/24/impdp/