远程访问ASM

联系:手机/微信(+86 17813235971) QQ(107644445)

标题:远程访问ASM

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

一、动态监听
1.监听文件

[oracle@node1 admin]$ more /u01/oracle/network/admin/listener.ora
SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = /u01/oracle)
      (PROGRAM = extproc)
    )
  )
LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = node1)(PORT = 1521))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
    )
  )

2.监听状态

[oracle@node1 admin]$ lsnrctl status
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 18-JAN-2012 13:38:42
Copyright (c) 1991, 2007, Oracle.  All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=node1)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 10.2.0.4.0 - Production
Start Date                18-JAN-2012 13:32:49
Uptime                    0 days 0 hr. 5 min. 53 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/oracle/network/admin/listener.ora
Listener Log File         /u01/oracle/network/log/listener.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC0)))
Services Summary...
Service "+ASM" has 1 instance(s).
  Instance "+ASM", status BLOCKED, has 1 handler(s) for this service...
Service "+ASM_XPT" has 1 instance(s).
  Instance "+ASM", status BLOCKED, has 1 handler(s) for this service...
Service "PLSExtProc" has 1 instance(s).
  Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "chf" has 1 instance(s).
  Instance "chf", status READY, has 1 handler(s) for this service...
Service "chfXDB" has 1 instance(s).
  Instance "chf", status READY, has 1 handler(s) for this service...
Service "chf_XPT" has 1 instance(s).
  Instance "chf", status READY, has 1 handler(s) for this service...
The command completed successfully

3.客户端tns文件[有部分测试加上了(UR=A)]

vm_asm =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.30)(PORT = 1521))
    (CONNECT_DATA =
      (SERVICE_NAME = +ASM)
      (INSTANCE_NAME = +ASM)
      (UR=A)  #分存在和不存在测试
    )
  )
vm_chf =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.30)(PORT = 1521))
    (CONNECT_DATA =
      (SERVICE_NAME = chf)
      (INSTANCE_NAME = chf)
    )
  )

4.无测试(UR=A)

C:\Users\XIFENFEI>tnsping vm_asm
TNS Ping Utility for 32-bit Windows: Version 11.2.0.1.0 - Production on 23-2月 -
2012 22:15:10
Copyright (c) 1997, 2010, Oracle.  All rights reserved.
已使用的参数文件:
e:\oracle\11_2_0\network\admin\sqlnet.ora
已使用 TNSNAMES 适配器来解析别名
尝试连接 (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.30)(PORT =
1521)) (CONNECT_DATA = (SERVICE_NAME = +ASM) (INSTANCE_NAME = +ASM)))
OK (10 毫秒)
C:\Users\XIFENFEI>SQLPLUS sys/xifenfei@vm_asm as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期四 2月 23 22:15:14 2012
Copyright (c) 1982, 2010, Oracle.  All rights reserved.
ERROR:
ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务
请输入用户名:
ERROR:
ORA-12560: TNS: 协议适配器错误
请输入用户名:
ERROR:
ORA-12560: TNS: 协议适配器错误
SP2-0157: 在 3 次尝试之后无法连接到 ORACLE, 退出 SQL*Plus
--通过下面的数据库实例测试,证明动态监听是正常工作的,可以访问数据库
C:\Users\XIFENFEI>SQLPLUS sys/xifenfei@vm_chf as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期四 2月 23 21:55:03 2012
Copyright (c) 1982, 2010, Oracle.  All rights reserved.
连接到:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> select instance_name from v$instance;
INSTANCE_NAME
----------------
chf

5.含(UR=A)测试

C:\Users\XIFENFEI>tnsping vm_asm
TNS Ping Utility for 32-bit Windows: Version 11.2.0.1.0 - Production on 23-2月 -
2012 22:16:49
Copyright (c) 1997, 2010, Oracle.  All rights reserved.
已使用的参数文件:
e:\oracle\11_2_0\network\admin\sqlnet.ora
已使用 TNSNAMES 适配器来解析别名
尝试连接 (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.30)(PORT =
1521)) (CONNECT_DATA = (SERVICE_NAME = +ASM) (INSTANCE_NAME = +ASM) (UR=A)))
OK (20 毫秒)
C:\Users\XIFENFEI>SQLPLUS sys/xifenfei@vm_asm as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期四 2月 23 22:16:52 2012
Copyright (c) 1982, 2010, Oracle.  All rights reserved.
连接到:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> select instance_name from v$instance;
INSTANCE_NAME
--------------------------------
+ASM

二、静态监听
1.监听文件

[oracle@node1 admin]$ more listener.ora
SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
     (GLOBAL_DBNAME = chf)
     (ORACLE_HOME = /u01/oracle)
     (SID_NAME = chf)
    )
    (SID_DESC =
     (GLOBAL_DBNAME = +ASM)
     (ORACLE_HOME = /u01/oracle)
     (SID_NAME = +ASM)
     )
  )
LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.30)(PORT = 1521))
    )
  )

2.监听状态

[oracle@node1 admin]$ lsnrctl status
LSNRCTL for Linux: Version 10.2.0.4.0 - Production on 18-JAN-2012 13:53:52
Copyright (c) 1991, 2007, Oracle.  All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.30)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 10.2.0.4.0 - Production
Start Date                18-JAN-2012 13:51:48
Uptime                    0 days 0 hr. 2 min. 4 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/oracle/network/admin/listener.ora
Listener Log File         /u01/oracle/network/log/listener.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.30)(PORT=1521)))
Services Summary...
Service "+ASM" has 2 instance(s).
  Instance "+ASM", status UNKNOWN, has 1 handler(s) for this service...
  Instance "+ASM", status BLOCKED, has 1 handler(s) for this service...
Service "+ASM_XPT" has 1 instance(s).
  Instance "+ASM", status BLOCKED, has 1 handler(s) for this service...
Service "chf" has 2 instance(s).
  Instance "chf", status UNKNOWN, has 1 handler(s) for this service...
  Instance "chf", status READY, has 1 handler(s) for this service...
Service "chfXDB" has 1 instance(s).
  Instance "chf", status READY, has 1 handler(s) for this service...
Service "chf_XPT" has 1 instance(s).
  Instance "chf", status READY, has 1 handler(s) for this service...
The command completed successfully

3.无(UR=A)测试

C:\Users\XIFENFEI>tnsping vm_asm
TNS Ping Utility for 32-bit Windows: Version 11.2.0.1.0 - Production on 23-2月 -
2012 22:11:34
Copyright (c) 1997, 2010, Oracle.  All rights reserved.
已使用的参数文件:
e:\oracle\11_2_0\network\admin\sqlnet.ora
已使用 TNSNAMES 适配器来解析别名
尝试连接 (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.30)(PORT =
1521)) (CONNECT_DATA = (SERVICE_NAME = +ASM) (INSTANCE_NAME = +ASM)))
OK (20 毫秒)
C:\Users\XIFENFEI>SQLPLUS sys/xifenfei@vm_asm as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期四 2月 23 22:11:06 2012
Copyright (c) 1982, 2010, Oracle.  All rights reserved.
连接到:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> select instance_name from v$instance;
INSTANCE_NAME
--------------------------------
+ASM

4.含(UR=A)测试

C:\Users\XIFENFEI>tnsping vm_asm
TNS Ping Utility for 32-bit Windows: Version 11.2.0.1.0 - Production on 23-2月 -
2012 22:12:49
Copyright (c) 1997, 2010, Oracle.  All rights reserved.
已使用的参数文件:
e:\oracle\11_2_0\network\admin\sqlnet.ora
已使用 TNSNAMES 适配器来解析别名
尝试连接 (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.30)(PORT =
1521)) (CONNECT_DATA = (SERVICE_NAME = +ASM) (INSTANCE_NAME = +ASM) (UR=A)))
OK (10 毫秒)
C:\Users\XIFENFEI>SQLPLUS sys/xifenfei@vm_asm as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期四 2月 23 22:12:53 2012
Copyright (c) 1982, 2010, Oracle.  All rights reserved.
连接到:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> select instance_name from v$instance;
INSTANCE_NAME
--------------------------------
+ASM

5.easy connect访问asm实例

C:\Users\XIFENFEI>SQLPLUS sys/xifenfei@192.168.1.30/+asm as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on 星期四 2月 23 22:27:42 2012
Copyright (c) 1982, 2010, Oracle.  All rights reserved.
连接到:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> select instance_name from v$instance;
INSTANCE_NAME
--------------------------------
+ASM

三、总结
1.在动态监听中,只有设置了(UR=A)才能够远程访问ASM实例;
2.在静态监听中,无论是否设置(UR=A)均可远程访问ASM实例,甚至可以使用easy connect方法方法ASM实例。

ASM迁移至文件系统

联系:手机/微信(+86 17813235971) QQ(107644445)

标题:ASM迁移至文件系统

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

--创建pfile文件
SQL> create  pfile ='/tmp/pfile' from spfile;
File created.
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
--修改pfile中关于asm中的内容
control_files
db_recovery_file_dest
log_archive_dest_1
指定到文件系统
--登录rman
[oracle@localhost tmp]$ rman target /
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Jun 27 12:48:26 2011
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
connected to target database: TOS (DBID=1569606545)
--执行backup as copy datafile
RMAN>  backup as copy  datafile '+DATA/tos/datafile/users.276.754906035' format '/u01/oradata/tos/USERS01.dbf';
Starting backup at 27-JUN-11
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=141 devtype=DISK
channel ORA_DISK_1: starting datafile copy
input datafile fno=00004 name=+DATA/tos/datafile/users.276.754906035
output filename=/u01/oradata/tos/USERS01.dbf tag=TAG20110627T124853 recid=17 stamp=754922939
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:07
Finished backup at 27-JUN-11
RMAN>  backup as copy  datafile '+DATA/tos/datafile/sysaux.271.754905929' format '/u01/oradata/tos/SYSAUX01.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00003 name=+DATA/tos/datafile/sysaux.271.754905929
output filename=/u01/oradata/tos/SYSAUX01.dbf tag=TAG20110627T124929 recid=18 stamp=754923029
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:05
Finished backup at 27-JUN-11
RMAN>  backup as copy  datafile '+DATA/tos/datafile/undotbs1.273.754906021' format '/u01/oradata/tos/UNDOTBS101.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00002 name=+DATA/tos/datafile/undotbs1.273.754906021
output filename=/u01/oradata/tos/UNDOTBS101.dbf tag=TAG20110627T125049 recid=19 stamp=754923057
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:15
Finished backup at 27-JUN-11
RMAN>  backup as copy  datafile '+DATA/tos/datafile/system.270.754905833' format '/u01/oradata/tos/SYSTEM01.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00001 name=+DATA/tos/datafile/system.270.754905833
output filename=/u01/oradata/tos/SYSTEM01.dbf tag=TAG20110627T125112 recid=20 stamp=754923150
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:25
channel ORA_DISK_1: starting datafile copy
copying current control file
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 06/27/2011 12:52:39
ORA-01580: error creating control backup file /u01/oradata/tos/SYSTEM01.dbf
ORA-27038: created file already exists
Additional information: 1
continuing other job steps, job failed will not be re-run
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
including current SPFILE in backupset
channel ORA_DISK_1: starting piece 1 at 27-JUN-11
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 06/27/2011 12:52:42
ORA-19504: failed to create file "/u01/oradata/tos/SYSTEM01.dbf"
ORA-27038: created file already exists
Additional information: 1
注:因为默认情况下,备份system数据文件是,会自动备份控制文件,这里因为system01.dbf已经备份好,而控制文件再次备份为该名称所以失败
RMAN>  backup as copy  datafile '+DATA/tos/datafile/example.272.754905995' format '/u01/oradata/tos/EXAMPLE01.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00005 name=+DATA/tos/datafile/example.272.754905995
output filename=/u01/oradata/tos/EXAMPLE01.dbf tag=TAG20110627T125341 recid=21 stamp=754923244
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:25
Finished backup at 27-JUN-11
RMAN>  backup as copy  datafile '+DATA/tos/datafile/xff.274.754906027' format '/u01/oradata/tos/XFF01.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00006 name=+DATA/tos/datafile/xff.274.754906027
output filename=/u01/oradata/tos/XFF01.dbf tag=TAG20110627T125415 recid=22 stamp=754923257
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03
Finished backup at 27-JUN-11
RMAN>  backup as copy  datafile '+DATA/tos/datafile/xff.275.754906031' format '/u01/oradata/tos/XFF02.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00007 name=+DATA/tos/datafile/xff.275.754906031
output filename=/u01/oradata/tos/XFF02.dbf tag=TAG20110627T125507 recid=23 stamp=754923309
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:04
Finished backup at 27-JUN-11
RMAN> exit
Recovery Manager complete.
--登录sqlplus
[oracle@localhost tmp]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.3.0 - Production on Mon Jun 27 12:55:29 2011
Copyright (c) 1982, 2006, Oracle.  All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
--备份控制文件
SQL> alter database backup controlfile to '/tmp/control.ctl';
Database altered.
--关闭数据库
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
--启动数据库只nomount状态
SQL> startup pfile='/tmp/pfile' nomount;
ORACLE instance started.
Total System Global Area  167772160 bytes
Fixed Size                  1260672 bytes
Variable Size              79692672 bytes
Database Buffers           79691776 bytes
Redo Buffers                7127040 bytes
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
[oracle@localhost tmp]$ rman target /
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Jun 27 12:58:22 2011
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
connected to target database: tos (not mounted)
--恢复控制文件
RMAN> restore controlfile from '/tmp/control.ctl';
Starting restore at 27-JUN-11
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
channel ORA_DISK_1: copied control file copy
output filename=/u01/oradata/tos/control01.ctl
output filename=/u01/oradata/tos/control02.ctl
Finished restore at 27-JUN-11
--启动数据库只mount状态
RMAN> alter database mount;
database mounted
released channel: ORA_DISK_1
--修改数据文件在控制文件中位置
RMAN> switch tablespace SYSTEM to copy;
Starting implicit crosscheck backup at 27-JUN-11
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
Finished implicit crosscheck backup at 27-JUN-11
Starting implicit crosscheck copy at 27-JUN-11
using channel ORA_DISK_1
Crosschecked 15 objects
Finished implicit crosscheck copy at 27-JUN-11
searching for all files in the recovery area
cataloging files...
no files cataloged
datafile 1 switched to datafile copy "/u01/oradata/tos/SYSTEM01.dbf"
RMAN> switch tablespace UNDOTBS1 to copy;
datafile 2 switched to datafile copy "/u01/oradata/tos/UNDOTBS101.dbf"
RMAN>  switch tablespace SYSAUX to copy;
datafile 3 switched to datafile copy "/u01/oradata/tos/SYSAUX01.dbf"
RMAN> switch tablespace USERS to copy;
datafile 4 switched to datafile copy "/u01/oradata/tos/USERS01.dbf"
RMAN>  switch tablespace EXAMPLE to copy;
datafile 5 switched to datafile copy "/u01/oradata/tos/EXAMPLE01.dbf"
RMAN>  switch tablespace XFF to copy;
datafile 6 switched to datafile copy "/u01/oradata/tos/XFF01.dbf"
datafile 7 switched to datafile copy "/u01/oradata/tos/XFF02.dbf"
--恢复数据库
RMAN> recover database;
Starting recover at 27-JUN-11
using channel ORA_DISK_1
starting media recovery
archive log thread 1 sequence 9 is already on disk as file +DATA/tos/onlinelog/group_6.279.754906321
archive log filename=+DATA/tos/onlinelog/group_6.279.754906321 thread=1 sequence=9
media recovery complete, elapsed time: 00:00:03
Finished recover at 27-JUN-11
--打开数据库
RMAN> alter database open;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of alter db command at 06/27/2011 13:00:36
ORA-01589: must use RESETLOGS or NORESETLOGS option for database open
RMAN> alter database open resetlogs;
database opened
注:不能直接使用open打开
RMAN> exit
Recovery Manager complete.
[oracle@localhost tmp]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.3.0 - Production on Mon Jun 27 13:02:53 2011
Copyright (c) 1982, 2006, Oracle.  All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
--增加redo log
SQL> alter database add logfile group 1 '/u01/oradata/tos/redo01.log' size 10m;
Database altered.
SQL> alter database add logfile group 2 '/u01/oradata/tos/redo02.log' size 10m;
Database altered.
SQL> alter database add logfile group 3 '/u01/oradata/tos/redo03.log' size 10m;
Database altered.
--切换日志
SQL>  alter system switch logfile;
System altered.
SQL> /
System altered.
SQL> /
System altered.
SQL> /
System altered.
--内存中数据写入硬盘
SQL> alter system checkpoint;
System altered.
--查询当前日志组状态
SQL>  select group#,status from v$log;
    GROUP# STATUS
---------- ----------------
         1 CURRENT
         2 INACTIVE
         3 INACTIVE
         4 INACTIVE
         5 INACTIVE
         6 INACTIVE
6 rows selected.
--删除asm中日志
SQL> alter database drop logfile group 4;
Database altered.
SQL> alter database drop logfile group 5;
Database altered.
SQL> alter database drop logfile group 6;
Database altered.
--添加临时文件
SQL> alter tablespace temp add tempfile '/u01/oradata/tos/temp01.dbf' size 30m autoextend on maxsize 1g;
Tablespace altered.
--查看临时表空间中临时文件
SQL> select name from v$tempfile;
NAME
--------------------------------------------------------------------------------
/u01/oradata/tos/temp01.dbf
+DATA/tos/tempfile/temp.280.754906369
--删除asm中临时文件
SQL> alter tablespace temp drop tempfile '+DATA/tos/tempfile/temp.280.754906369';
Tablespace altered.
--查看迁移结果
SQL> set pagesize 100
SQL> select name from v$datafile
  2   union
  3   select member from v$logfile
  4   union
  5   select name from v$controlfile
  6   union
  7   select name from v$tempfile;
NAME
------------------------------------------------------------------
/u01/oradata/tos/EXAMPLE01.dbf
/u01/oradata/tos/SYSAUX01.dbf
/u01/oradata/tos/SYSTEM01.dbf
/u01/oradata/tos/UNDOTBS101.dbf
/u01/oradata/tos/USERS01.dbf
/u01/oradata/tos/XFF01.dbf
/u01/oradata/tos/XFF02.dbf
/u01/oradata/tos/control01.ctl
/u01/oradata/tos/control02.ctl
/u01/oradata/tos/redo01.log
/u01/oradata/tos/redo02.log
/u01/oradata/tos/redo03.log
/u01/oradata/tos/temp01.dbf
13 rows selected.
--创建spfile文件
SQL> create spfile from pfile='/tmp/pfile';
File created.

create spfile to asm

联系:手机/微信(+86 17813235971) QQ(107644445)

标题:create spfile to asm

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

--查看sid
SQL> show parameter instance_name  ;
NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
instance_name                        string      tos
--创建pfile
SQL> create pfile='/tmp/tospfile' from spfile;
File created.
--创建spfile in asm
SQL> create spfile='+data' from pfile='/tmp/tospfile';
File created.
--查看spfile name in asm
ASMCMD> pwd
+data/tos/parameterfile
ASMCMD> ls
spfile.282.754913039
--编辑pfile内容(如果有该文件,先删除/重命名)
[oracle@localhost ~]$ vi  $ORACLE_HOME/dbs/inittos.ora
#内容为
spfile='+data/tos/parameterfile/spfile.282.754913039'
--重命名spfile文件
[oracle@localhost dbs]$ mv spfiletos.ora spfiletos.ora_bak
--重启数据库
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area  167772160 bytes
Fixed Size                  1260672 bytes
Variable Size              75498368 bytes
Database Buffers           83886080 bytes
Redo Buffers                7127040 bytes
Database mounted.
Database opened.
--查看spfile
SQL> show parameter spfile;
NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
spfile                               string      +DATA/tos/parameterfile/spfile
                                                 .282.754913039

普通库迁移至ASM存储

联系:手机/微信(+86 17813235971) QQ(107644445)

标题:普通库迁移至ASM存储

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

--查看当前库文件位置
SQL> select name from v$datafile
  2  union
  3  select member from v$logfile
  4  union
  5  select name from v$controlfile
  6  union
  7  select name from v$tempfile;
NAME
--------------------------------------------------------------------------------
/u01/oradata/tos/control01.ctl
/u01/oradata/tos/control02.ctl
/u01/oradata/tos/control03.ctl
/u01/oradata/tos/example01.dbf
/u01/oradata/tos/redo01.log
/u01/oradata/tos/redo02.log
/u01/oradata/tos/redo03.log
/u01/oradata/tos/sysaux01.dbf
/u01/oradata/tos/system01.dbf
/u01/oradata/tos/temp01.dbf
/u01/oradata/tos/undotbs01.dbf
/u01/oradata/tos/users01.dbf
/u01/oradata/tos/xff01.dbf
/u01/oradata/tos/xff02.dbf
14 rows selected.
--备份控制文件
SQL> alter database backup controlfile to '/u01/control.ctl';
Database altered.
--修改spfile中的控制文件至asm
SQL>  alter system set control_files='+DATA' scope=spfile;
System altered.
--修改db_recovery_file_dest至asm中
SQL> alter system set db_recovery_file_dest='+FLASHBACK';
System altered.
--修改归档日志至asm中
SQL> alter system set log_archive_dest_1='location=+DATA';
System altered.
--关闭数据库
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
--登录rman
[oracle@localhost ~]$ rman target /
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Jun 27 08:02:37 2011
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
connected to target database (not started)
--启动数据库至nomount状态
RMAN> startup nomount;
Oracle instance started
Total System Global Area     167772160 bytes
Fixed Size                     1260672 bytes
Variable Size                 67109760 bytes
Database Buffers              92274688 bytes
Redo Buffers                   7127040 bytes
--恢复控制文件
RMAN>  restore controlfile from '/u01/control.ctl';
Starting restore at 27-JUN-11
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
channel ORA_DISK_1: copied control file copy
output filename=+DATA/tos/controlfile/current.268.754905785
Finished restore at 27-JUN-11
--打开数据库至mount状态
RMAN> alter database mount;
database mounted
released channel: ORA_DISK_1
--copy数据文件至asm
RMAN> backup as copy database format '+DATA';
Starting backup at 27-JUN-11
Starting implicit crosscheck backup at 27-JUN-11
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
Finished implicit crosscheck backup at 27-JUN-11
Starting implicit crosscheck copy at 27-JUN-11
using channel ORA_DISK_1
Finished implicit crosscheck copy at 27-JUN-11
searching for all files in the recovery area
cataloging files...
no files cataloged
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00001 name=/u01/oradata/tos/system01.dbf
output filename=+DATA/tos/datafile/system.270.754905833 tag=TAG20110627T080352 recid=2 stamp=754905928
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:35
channel ORA_DISK_1: starting datafile copy
input datafile fno=00003 name=/u01/oradata/tos/sysaux01.dbf
output filename=+DATA/tos/datafile/sysaux.271.754905929 tag=TAG20110627T080352 recid=3 stamp=754905990
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:05
channel ORA_DISK_1: starting datafile copy
input datafile fno=00005 name=/u01/oradata/tos/example01.dbf
output filename=+DATA/tos/datafile/example.272.754905995 tag=TAG20110627T080352 recid=4 stamp=754906010
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:26
channel ORA_DISK_1: starting datafile copy
input datafile fno=00002 name=/u01/oradata/tos/undotbs01.dbf
output filename=+DATA/tos/datafile/undotbs1.273.754906021 tag=TAG20110627T080352 recid=5 stamp=754906025
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:07
channel ORA_DISK_1: starting datafile copy
input datafile fno=00006 name=/u01/oradata/tos/xff01.dbf
output filename=+DATA/tos/datafile/xff.274.754906027 tag=TAG20110627T080352 recid=6 stamp=754906029
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03
channel ORA_DISK_1: starting datafile copy
input datafile fno=00007 name=/u01/oradata/tos/xff02.dbf
output filename=+DATA/tos/datafile/xff.275.754906031 tag=TAG20110627T080352 recid=7 stamp=754906032
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03
channel ORA_DISK_1: starting datafile copy
input datafile fno=00004 name=/u01/oradata/tos/users01.dbf
output filename=+DATA/tos/datafile/users.276.754906035 tag=TAG20110627T080352 recid=8 stamp=754906035
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:04
Finished backup at 27-JUN-11
RMAN-06497: WARNING: control file is not current, control file autobackup skipped
--恢复数据库
RMAN>  recover database;
Starting recover at 27-JUN-11
using channel ORA_DISK_1
starting media recovery
archive log thread 1 sequence 3 is already on disk as file /u01/oradata/tos/redo02.log
archive log filename=/u01/oradata/tos/redo02.log thread=1 sequence=3
media recovery complete, elapsed time: 00:00:03
Finished recover at 27-JUN-11
--修改数据库中数据文件路径
RMAN> switch database to copy;
datafile 1 switched to datafile copy "+DATA/tos/datafile/system.270.754905833"
datafile 2 switched to datafile copy "+DATA/tos/datafile/undotbs1.273.754906021"
datafile 3 switched to datafile copy "+DATA/tos/datafile/sysaux.271.754905929"
datafile 4 switched to datafile copy "+DATA/tos/datafile/users.276.754906035"
datafile 5 switched to datafile copy "+DATA/tos/datafile/example.272.754905995"
datafile 6 switched to datafile copy "+DATA/tos/datafile/xff.274.754906027"
datafile 7 switched to datafile copy "+DATA/tos/datafile/xff.275.754906031"
--打开数据库
RMAN> alter database open resetlogs;
database opened
--添加日志文件
SQL> alter database add logfile group 4 '+DATA' size 10m;
Database altered.
SQL> alter database add logfile group 5 '+DATA' size 10m;
Database altered.
SQL> alter database add logfile group 6 '+DATA' size 10m;
Database altered.
--添加临时文件
SQL> alter tablespace temp add tempfile '+DATA' size 30m;
Tablespace altered.
--删除原临时文件
SQL> alter tablespace temp drop tempfile '/u01/oradata/tos/temp01.dbf';
Tablespace altered.
--切换日志
SQL> alter system switch logfile; --多次
System altered.
--数据文件修改写入磁盘
SQL> alter system checkpoint;
System altered.
--检查联机日志状态
SQL> select group#,status from v$log;
    GROUP# STATUS
---------- ----------------
         1 INACTIVE
         2 INACTIVE
         3 INACTIVE
         4 INACTIVE
         5 INACTIVE
         6 CURRENT
6 rows selected.
--删除原联机日志
SQL> alter database drop logfile group 1;
Database altered.
SQL> alter database drop logfile group 2;
Database altered.
SQL> alter database drop logfile group 3;
Database altered.
--查看修改后状态
SQL>  select name from v$datafile
  2      union
  3      select member from v$logfile
  4      union
  5      select name from v$controlfile
  6      union
  7      select name from v$tempfile;
NAME
--------------------------------------------------------------------------------
+DATA/tos/controlfile/current.268.754905785
+DATA/tos/datafile/example.272.754905995
+DATA/tos/datafile/sysaux.271.754905929
+DATA/tos/datafile/system.270.754905833
+DATA/tos/datafile/undotbs1.273.754906021
+DATA/tos/datafile/users.276.754906035
+DATA/tos/datafile/xff.274.754906027
+DATA/tos/datafile/xff.275.754906031
+DATA/tos/onlinelog/group_4.277.754906309
+DATA/tos/onlinelog/group_5.278.754906319
+DATA/tos/onlinelog/group_6.279.754906321
+DATA/tos/tempfile/temp.280.754906369

asm数据文件迁移(asm–>os)

联系:手机/微信(+86 17813235971) QQ(107644445)

标题:asm数据文件迁移(asm–>os)

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

--查看当前情况
SQL> select count(*) from hr.a;
  COUNT(*)
----------
      1580
SQL>  select name from v$DATAFILE;
NAME
-----------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
+DG2/tasm/datafile/xff.256.754902279
6 rows selected.
--创建目录
SQL>  create directory asmsrc as '+DG2/TASM/datafile';
Directory created.
SQL>  create directory osdesc as '/u01/oradata';
Directory created.
--表空间离线
SQL> alter tablespace xff offline;
Tablespace altered.
--数据文件迁移
SQL> begin
  2      dbms_file_transfer.copy_file('ASMSRC',
  3      'xff.256.754902279',
  4      'OSDESC',
  5      'xff_new_2.dbf');
  6  END;
  7  /
PL/SQL procedure successfully completed.
--修改数据库中datafile路径
SQL> alter database rename file
  2             '+DG2/tasm/datafile/xff.256.754902279'
  3             to '/u01/oradata/xff_new_2.dbf';
Database altered.
--表空间在线
SQL> alter tablespace xff online;
Tablespace altered.
--测试迁移结果
SQL> select name from v$DATAFILE;
NAME
-------------------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
/u01/oradata/xff_new_2.dbf
6 rows selected.
SQL> select count(*) from hr.a;
  COUNT(*)
----------
      1580
--删除asm中文件
ASMCMD> rm XFF.256.754902279
ORA-15032: not all alterations performed
ORA-15028: ASM file '+dg2/tasm/datafile/XFF.256.754902279' not dropped;
currently being accessed (DBD ERROR: OCIStmtExecute)
--不能直接删除,关闭数据库后可以删除(应该是bug)

asm数据文件迁移(asm–>asm)

联系:手机/微信(+86 17813235971) QQ(107644445)

标题:asm数据文件迁移(asm–>asm)

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

rman迁移操作

[oracle@localhost oradata]$ rman target /
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Jun 27 05:50:03 2011
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
connected to target database: TASM (DBID=3032096031)
RMAN> sql ‘alter tablespace xff offline’;
using target database control file instead of recovery catalog
sql statement: alter tablespace xff offline
RMAN> backup device type disk as copy datafile 6 format '+DG2';
Starting backup at 27-JUN-11
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=159 devtype=DISK
channel ORA_DISK_1: starting datafile copy
input datafile fno=00006 name=+DATA/tasm/xff01.dbf
output filename=+DG2/tasm/datafile/xff.256.754899605 tag=TAG20110627T062003 recid=4 stamp=754899608
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:07
Finished backup at 27-JUN-11
RMAN> switch tablepspace xff  to copy;
datafile 6 switched to datafile copy "+DG2/tasm/datafile/xff.256.754899605"
RMAN> sql 'alter tablespace xff online';
sql statement: alter tablespace xff online

sql验证操作

SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
+DG2/tasm/datafile/xff.256.754899605
6 rows selected.
SQL> select count(*) from hr.a;
  COUNT(*)
----------
      1580

asm数据文件迁移(os–>asm)

联系:手机/微信(+86 17813235971) QQ(107644445)

标题:asm数据文件迁移(os–>asm)

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

--添加测试表空间
SQL> create tablespace xff datafile '/u01/oradata/xifenfei.dbf' size 10m autoextend on maxsize 100m;
Tablespace created.
--查看数据文件位置
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
/u01/oradata/xifenfei.dbf
6 rows selected.
--创建测试表
SQL> create table hr.a tablespace xff
  2  as
  3  select * from dba_tables;
Table created.
SQL> select count(*) from hr.a;
  COUNT(*)
----------
      1580
--转移数据文件位置
[oracle@localhost oradata]$ rman target /
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Jun 27 04:30:22 2011
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
connected to target database: TASM (DBID=3032096031)
RMAN> sql 'alter tablespace xff offline';
using target database control file instead of recovery catalog
sql statement: alter tablespace xff offline
RMAN> backup as copy tablespace xff format '+DATA';
Starting backup at 27-JUN-11
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=132 devtype=DISK
channel ORA_DISK_1: starting datafile copy
input datafile fno=00006 name=/u01/oradata/xifenfei.dbf
output filename=+DATA/tasm/datafile/xff.269.754893121 tag=TAG20110627T043200 recid=2 stamp=754893123
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03
Finished backup at 27-JUN-11
RMAN> switch tablespace xff to copy;
datafile 6 switched to datafile copy "+DATA/tasm/datafile/xff.269.754893121"
RMAN> sql 'alter tablespace xff online';
sql statement: alter tablespace xff online
--查看转移后的数据文件位置
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
+DATA/tasm/datafile/xff.269.754893121
6 rows selected.
--测试其中数据是否存在
SQL> select count(*) from hr.a;
  COUNT(*)
----------
      1580
--创建asm中文件别名
ASMCMD> mkalias  +DATA/tasm/datafile/xff.269.754893121 +DATA/tasm/xff01.dbf
--文件重命名
SQL> alter tablespace xff offline;
Tablespace altered.
SQL> alter database rename file '+DATA/tasm/datafile/xff.269.754893121' to '+DATA/tasm/xff01.dbf';
Database altered.
SQL> alter tablespace xff online;
Tablespace altered.
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
+DATA/tasm/xff01.dbf
6 rows selected.
--手工删除原来数据
[oracle@localhost oradata]$ rm xifenfei.dbf 

说明:可以在rman移植数据文件位置的时候,同时处理好别名,然后对表空间重命名,实现只需要表空间离线一次

ASM简单管理(2)

联系:手机/微信(+86 17813235971) QQ(107644445)

标题:ASM简单管理(2)

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

1、磁盘组卸载/挂载

--查看当前磁盘组状态
SQL> select group_number,name,state,total_mb,free_mb from v$asm_diskgroup;
GROUP_NUMBER NAME                 STATE                    TOTAL_MB    FREE_MB
------------ -------------------- ---------------------- ---------- ----------
           1 ARCHIVELOG           MOUNTED                     12637      12585
           2 DATA                 MOUNTED                     10228       7644
           3 FLASHBACK            MOUNTED                      7836       7786
           4 DG2                  MOUNTED                      5114       5012
--卸载dg2磁盘组
SQL> alter diskgroup dg2 dismount;
Diskgroup altered.
SQL> select group_number,name,state,total_mb,free_mb from v$asm_diskgroup;
GROUP_NUMBER NAME                 STATE                    TOTAL_MB    FREE_MB
------------ -------------------- ---------------------- ---------- ----------
           1 ARCHIVELOG           MOUNTED                     12637      12585
           2 DATA                 MOUNTED                     10228       7644
           3 FLASHBACK            MOUNTED                      7836       7786
           0 DG2                  DISMOUNTED                      0          0
--挂载dg2磁盘组
SQL> alter diskgroup dg2 mount;
Diskgroup altered.
SQL> select group_number,name,state,total_mb,free_mb from v$asm_diskgroup;
GROUP_NUMBER NAME                 STATE                    TOTAL_MB    FREE_MB
------------ -------------------- ---------------------- ---------- ----------
           1 ARCHIVELOG           MOUNTED                     12637      12585
           2 DATA                 MOUNTED                     10228       7644
           3 FLASHBACK            MOUNTED                      7836       7786
           4 DG2                  MOUNTED                      5114       5012
--卸载所有磁盘组
SQL> alter diskgroup all dismount;
Diskgroup altered.
SQL> select group_number,name,state,total_mb,free_mb from v$asm_diskgroup;
GROUP_NUMBER NAME                 STATE                    TOTAL_MB    FREE_MB
------------ -------------------- ---------------------- ---------- ----------
           0 DATA                 DISMOUNTED                      0          0
           0 DG2                  DISMOUNTED                      0          0
           0 FLASHBACK            DISMOUNTED                      0          0
           0 ARCHIVELOG           DISMOUNTED                      0          0
--挂载所有磁盘组
SQL> alter diskgroup all mount;
Diskgroup altered.
SQL> select group_number,name,state,total_mb,free_mb from v$asm_diskgroup;
GROUP_NUMBER NAME                 STATE                    TOTAL_MB    FREE_MB
------------ -------------------- ---------------------- ---------- ----------
           2 DATA                 MOUNTED                     10228       7644
           3 DG2                  MOUNTED                      5114       5012
           4 FLASHBACK            MOUNTED                      7836       7786
           1 ARCHIVELOG           MOUNTED                     12637      12585
--如果当前磁盘组有实例在访问,则不能被卸载
SQL> alter diskgroup data dismount;
alter diskgroup data dismount
*
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15027: active use of diskgroup "DATA" precludes its dismount

2、磁盘组目录

--创建目录
SQL> alter diskgroup dg2 add directory '+DG2/CHENGFEI';
Diskgroup altered.
--使用asmcmd查看(export ORACLE_SID=+ASM;asmcmd进入)
ASMCMD> pwd
+DG2
ASMCMD> ls -l
Type  Redund  Striped  Time             Sys  Name
                                        N    CHENGFEI/
--目录重命名
SQL> alter diskgroup dg2 rename directory '+DG2/CHENGFEI' TO '+DG2/XIFENFEI';
Diskgroup altered.
ASMCMD> ls
XIFENFEI/
--删除目录
SQL> alter diskgroup dg2 drop directory '+DG2/xifenfei';
Diskgroup altered.
ASMCMD> ls
ASMCMD>

3、文件别名

--添加别名
SQL> alter diskgroup dg2 add alias '+dg2/XIFENFEI' for '+dg2/tasm/datafile/XFF.256.754832383';
Diskgroup altered.
--使用asmcmd查看别名是否成功
ASMCMD> pwd
+dg2
ASMCMD> ls -l
Type      Redund  Striped  Time             Sys  Name
                                            Y    TASM/
                                            N    XIFENFEI => +DG2/TASM/DATAFILE/XFF.256.754832383
--别名重命名
SQL> alter diskgroup dg2 rename alias '+DG2/XIFENFEI' TO '+DG2/FEIFEI.DBF';
Diskgroup altered.
                                            N    XIFENFEI => +DG2/TASM/DATAFILE/XFF.256.754832383
ASMCMD> ls -l
Type      Redund  Striped  Time             Sys  Name
                                            N    FEIFEI.DBF => +DG2/TASM/DATAFILE/XFF.256.754832383
                                           Y    TASM/
--删除别名
SQL> alter diskgroup dg2 drop alias '+dg2/feifei.dbf';
Diskgroup altered.
ASMCMD> ls -l
Type  Redund  Striped  Time             Sys  Name
                                        Y    TASM/

说明:
1)asmcmd命令行操作中,目录文件名不区分大小写,命令关键字区分大小写
2)磁盘组中的一个文件,最多只能建立一个别名可以通过v$asm_alias视图查看别名的相关信息
ASM简单管理(1)

ASMCMD常用命令

联系:手机/微信(+86 17813235971) QQ(107644445)

标题:ASMCMD常用命令

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

1、显示指定的ASM目录下ASM文件占用的所有磁盘空间
du
2、列出ASM目录下的内容及其属性
ls -ls
3、查看当前路径
pwd
4、打开目录
cd ../DATA
5、列出当前ASM客户端的信息
lsct
6、列出所有磁盘组及其属性
lsdg
7、列出数据文件信息
lsof
8、列出盘的信息
lsdsk
Note:大小写敏感

ASM简单管理(1)

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标题:ASM简单管理(1)

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

一、ASM磁盘和磁盘组管理
1、创建磁盘组
create diskgroup DG2 EXTERNAL REDUNDANCY DISK ‘ORCL:A1’;
Note:1)磁盘名称需要大写
2)磁盘名称使用V$asm_disk.path
2、磁盘组中添加磁盘
alter diskgroup dg2 add disk ‘ORCL:A2’;
Note:磁盘名称使用V$asm_disk.path
3、磁盘组中删除磁盘
alter diskgroup dg2 drop disk ‘a1’;
Note:磁盘名称使用的是V$asm_disk.name
4、删除磁盘组
drop diskgroup dg2 including contents;
二、ASM相关视图
1、查看是否有数据库实例连接上ASM实例
select instance_name,db_name,status from v$asm_client;
2、记录BALANCE操作
select operation,state,power,actual,sofar from v$asm_operation;
3、ASM DISK信息
select path, state, total_mb, free_mb from v$asm_disk;
4、ASM DISKGROUP信息
select name,state,type,total_mb,free_mb from v$asm_diskgroup;
三、ASM和表空间管理
1、ASM中创建表空间
create tablespace xff datafile ‘+DG2’ SIZE 100M;
2、ASM表空间中添加数据文件
alter tablespace xff add datafile ‘+dg2’ size 10m;
3、ASM表空间中删除数据文件
alter tablespace xff drop datafile ‘+DG2/xff/datafile/xff.257.747278679’;
或者
alter tablespace xff drop datafile 7;
4、删除表空间
drop tablespace xff including contents;