*.background_dump_dest='/u01/oracle/admin/+ASM/bdump'

*.core_dump_dest='/u01//oracle/admin/+ASM/cdump'

*.user_dump_dest='/u01/oracle/admin/+ASM/udump'

*.asm_diskstring='/dev/rasmlv','/dev/rrecoverylv'

*.instance_type='asm'

*.large_pool_size=12M

*.remote_login_passwordfile='exclusive'

# chown oracle:dba /dev/rasmlv

# chown oracle:dba /dev/rrecoverylv

orapwd file=orapw+ASM password=oracle

oracle@database$mkdir -p /u01/oracle/admin/+ASM/udump

oracle@database$mkdir -p /u01/oracle/admin/+ASM/bdump

oracle@database$mkdir -p /u01/oracle/admin/+ASM/cdump

# /u01/oracle/product/10.2.0.1/db_1/bin/localconfig add

/etc/oracle does not exist. Creating it now.

Successfully accumulated necessary OCR keys.

Creating OCR keys for user 'root', privgrp 'system'..

Operation successful.

Configuration for local CSS has been initialized

Adding to inittab

Startup will be queued to init within 30 seconds.

Checking the status of new Oracle init process...

Expecting the CRS daemons to be up within 600 seconds.

CSS is active on these nodes.

database

CSS is active on all nodes.

Oracle CSS service is installed and running under init(1M)

#

SQL> startup

ASM instance started

Total System Global Area  130023424 bytes

Fixed Size                  2019136 bytes

Variable Size             102838464 bytes

ASM Cache                  25165824 bytes

ORA-15110: no diskgroups mounted

SQL> create diskgroup DATA external redundancy disk '/dev/rasmlv';

Diskgroup created.

SQL> create diskgroup RECOVERY external redundancy disk '/dev/rrecoverylv';

Diskgroup created.

SQL> select name,state from v$asm_diskgroup;

NAME       STATE

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

DATA       MOUNTED

RECOVERY   MOUNTED

SQL> create tablespace test datafile '+DATA' size 10m;

Tablespace created.

ASMCMD [+data/gs/datafile] > ls -l

Type      Redund  Striped  Time             Sys  Name

DATAFILE  UNPROT  COARSE   DEC 09 14:00:00  Y    TEST.256.769442671

ASMCMD [+data/gs/datafile] >

SQL> drop tablespace test including contents and datafiles;

Tablespace dropped.

SQL> alter system set control_files='+DATA' scope=spfile;

System altered.

SQL> alter system set db_recovery_file_dest='+RECOVERY';

System altered.

SQL> alter system set db_create_file_dest='+DATA';

System altered.

RMAN> backup as copy database format '+DATA';

RMAN> switch database to copy;

datafile 1 switched to datafile copy "+DATA/gs/datafile/system.260.769444077"

datafile 2 switched to datafile copy "+DATA/gs/datafile/undotbs1.266.769444157"

datafile 3 switched to datafile copy "+DATA/gs/datafile/sysaux.261.769444103"

datafile 4 switched to datafile copy "+DATA/gs/datafile/users.267.769444165"

datafile 5 switched to datafile copy "+DATA/gs/datafile/aomeidb.262.769444129"

datafile 6 switched to datafile copy "+DATA/gs/datafile/tbivr.263.769444135"

datafile 7 switched to datafile copy "+DATA/gs/datafile/dlbshop.264.769444143"

datafile 8 switched to datafile copy "+DATA/gs/datafile/gsdlb.259.769444013"

datafile 9 switched to datafile copy "+DATA/gs/datafile/mcdb.265.769444149"

RMAN> recover database;

Starting recover at 09-DEC-11

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid=152 devtype=DISK

starting media recovery

media recovery complete, elapsed time: 00:00:05

Finished recover at 09-DEC-11

RMAN> alter database open;

database opened

SQL> select name ,status from v$tempfile;

NAME                                STATUS

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

/u01/oracle/oradata/gs/temp.dbf     ONLINE

SQL> alter tablespace temp add tempfile '+DATA' size 512m;

Tablespace altered.

SQL> alter tablespace temp drop tempfile '/u01/oracle/oradata/gs/temp.dbf';

Tablespace altered.

SQL> select member from v$logfile;

MEMBER

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

/u01/oracle/oradata/gs/redo03.log

/u01/oracle/oradata/gs/redo02.log

/u01/oracle/oradata/gs/redo01.log

SQL> alter database add logfile '+DATA' size 100m;

Database altered.

SQL> alter database add logfile '+DATA' size 100m;

Database altered.

SQL> alter database add logfile '+DATA' size 100m;

Database altered.

SQL> alter system switch logfile;

System altered.

SQL> select group#,status from v$log;

GROUP# STATUS

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

1 CURRENT

2 INACTIVE

3 INACTIVE

4 UNUSED

5 UNUSED

6 UNUSED

--等group＃ 1、2、3变为INACTIVE就删除

SQL> alter database drop logfile '/u01/oracle/oradata/gs/redo02.log';

Database altered.

SQL>  alter database drop logfile '/u01/oracle/oradata/gs/redo03.log';

Database altered.

SQL> alter database drop logfile '/u01/oracle/oradata/gs/redo01.log';

Database altered.