将expdp的dmp文件从asm磁盘组里边放到本地文件系统里边 参考原文： How To Extract Datapump File From ASM Diskgroup To Local Filesystem? (Doc ID 566941.1) 适用于： Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.1.0.7 [Release 11.1

将expdp的dmp文件从asm磁盘组里边放到本地文件系统里边
参考原文：
How To Extract Datapump File From ASM Diskgroup To Local Filesystem? (Doc ID 566941.1)

适用于：
Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Information in this document applies to any platform.
Information in this document applies to any platform.

目标：
从11.1.0.6开始， asmcmd 提供了cp命令，该cp命令跟os上的cp命令类似。
你可以使用asmcmd cp命令 copy 出asm磁盘组中的所有文件。

解决方案：
举例：
1）在asm实例中建立一个directory
SQL> show parameter instance_name

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
instance_name string +ASM

SQL> alter diskgroup FRA add directory '+FRA/dumpsets';

Diskgroup altered.

2）在数据库实例中建立一个directory--用于存放dmp文件
SQL> show parameter instance_name

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
instance_name string DB11G

SQL> create directory dumpsets as '+FRA/dumpsets';

Directory created.

3）在os上建立一个directory并在database 实例中，为此os directory 建立 db中的directory。该 os directory用于存放导出产生的logfile

SQL> ! mkdir /home/oracle/dumpsets

SQL> !ls -ld /home/oracle/dumpsets
drwxr-xr-x 2 oracle oinstall 4096 May 7 10:20 /home/oracle/dumpsets

SQL> create directory logfile_dest as '/home/oracle/dumpsets';

Directory created.


4）执行expdp导出数据
expdp userid=system/storage01 directory='DUMPSETS' dumpfile=expdp_5_5.dat job_name=full_export logfile=logfile_dest:exp5_5.log

Export: Release 11.1.0.6.0 - Production on Wednesday, 07 May, 2008 10:22:57

Copyright (c) 2003, 2007, Oracle. All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Starting "SYSTEM"."FULL_EXPORT": userid=system/******** directory=DUMPSETS dumpfile=expdp_5_5.dat job_name=full_export logfile=logfile_dest:exp5_5.log
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 320 KB
Processing object type SCHEMA_EXPORT/USER
Processing object type SCHEMA_EXPORT/SYSTEM_GRANT
Processing object type SCHEMA_EXPORT/ROLE_GRANT
Processing object type SCHEMA_EXPORT/DEFAULT_ROLE
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
Processing object type SCHEMA_EXPORT/SYNONYM/SYNONYM
Processing object type SCHEMA_EXPORT/TYPE/TYPE_SPEC
.
.
.
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/TRIGGER
Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Processing object type SCHEMA_EXPORT/TABLE/POST_TABLE_ACTION
Processing object type SCHEMA_EXPORT/POST_SCHEMA/PROCACT_SCHEMA
. . exported "SYSTEM"."REPCAT$_AUDIT_ATTRIBUTE" 6.398 KB 2 rows
. . exported "SYSTEM"."REPCAT$_OBJECT_TYPES" 6.882 KB 28 rows
. . exported "SYSTEM"."REPCAT$_RESOLUTION_METHOD" 5.875 KB 19 rows
. . exported "SYSTEM"."REPCAT$_TEMPLATE_STATUS" 5.484 KB 3 rows
. . exported "SYSTEM"."REPCAT$_TEMPLATE_TYPES" 6.2 KB 2 rows
. . exported "SYSTEM"."DEF$_AQCALL" 0 KB 0 rows
. . exported "SYSTEM"."DEF$_AQERROR" 0 KB 0 rows
.
.
.
. . exported "SYSTEM"."REPCAT$_SITE_OBJECTS" 0 KB 0 rows
. . exported "SYSTEM"."REPCAT$_SNAPGROUP" 0 KB 0 rows
. . exported "SYSTEM"."REPCAT$_TEMPLATE_OBJECTS" 0 KB 0 rows
. . exported "SYSTEM"."REPCAT$_TEMPLATE_PARMS" 0 KB 0 rows
. . exported "SYSTEM"."REPCAT$_TEMPLATE_REFGROUPS" 0 KB 0 rows
. . exported "SYSTEM"."REPCAT$_TEMPLATE_SITES" 0 KB 0 rows
. . exported "SYSTEM"."REPCAT$_TEMPLATE_TARGETS" 0 KB 0 rows
. . exported "SYSTEM"."REPCAT$_USER_AUTHORIZATIONS" 0 KB 0 rows
. . exported "SYSTEM"."REPCAT$_USER_PARM_VALUES" 0 KB 0 rows
. . exported "SYSTEM"."SQLPLUS_PRODUCT_PROFILE" 0 KB 0 rows
Master table "SYSTEM"."FULL_EXPORT" successfully loaded/unloaded
******************************************************************************
Dump file set for SYSTEM.FULL_EXPORT is:
+FRA/dumpsets/expdp_5_5.dat


5）dmp文件被创建在了+FRA/dumpsets/下。

ASMCMD> ls -l +FRA/dumpsets/expdp_5_5.dat
Type Redund Striped Time Sys Name
N expdp_5_5.dat => +FRA/DB11G/DUMPSET/SYSTEMFULL_EXPORT_71029_1.303.654085391

6）将此dmp文件从asm 磁盘组中拷贝到os 的directory中。
ASMCMD> pwd
+fra/dumpsets
ASMCMD> ls
expdp_5_5.dat
ASMCMD> cp expdp_5_5.dat /home/oracle/dumpsets/expdp_5_5.dat
source +fra/dumpsets/expdp_5_5.dat
target /home/oracle/dumpsets/expdp_5_5.dat
copying file(s)...
file, /home/oracle/dumpsets/expdp_5_5.dat, copy committed.
ASMCMD> exit
$> ls -l /home/oracle/dumpsets/expdp_5_5.dat
-rw-r----- 1 oracle oinstall 226 May 7 11:05 /home/oracle/dumpsets/expdp_5_5.dat

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