linux中asm数据库卸载教程,删除Linux非rac环境下的ASM实例
轉(zhuǎn)自:http://18904.com/archives/917.html
環(huán)境說明:
操作系統(tǒng):CentOS 5 x86
數(shù)據(jù)庫:Oracle 10.2.0.1 非RAC環(huán)境
ASM實(shí)例名:+ASM
參考:metalink node:311350.1
1、檢查ASM實(shí)例進(jìn)程
www.18904.com@oracle[/home/oracle]> ps -ef|grep asm|grep -v grep
oracle 4263 1 0 Jan20 ? 00:00:02 asm_pmon_+ASM
oracle 4265 1 0 Jan20 ? 00:00:00 asm_psp0_+ASM
oracle 4267 1 0 Jan20 ? 00:00:00 asm_mman_+ASM
oracle 4269 1 0 Jan20 ? 00:00:00 asm_dbw0_+ASM
oracle 4271 1 0 Jan20 ? 00:00:00 asm_lgwr_+ASM
oracle 4273 1 0 Jan20 ? 00:00:00 asm_ckpt_+ASM
oracle 4275 1 0 Jan20 ? 00:00:00 asm_smon_+ASM
oracle 4277 1 0 Jan20 ? 00:00:00 asm_rbal_+ASM
oracle 4279 1 0 Jan20 ? 00:00:06 asm_gmon_+ASM
2、設(shè)置ASM實(shí)例名
www.18904.com@oracle[/home/oracle]> export ORACLE_SID=+ASM
3、檢查是否有實(shí)例在使用ASM
www.18904.com@oracle[/home/oracle]> sqlplus / as sysdba
SQL*Plus: Release 10.2.0.1.0 – Production on Thu Jan 21 08:44:03 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 – Production
With the Partitioning, OLAP and Data Mining options
idle> select instance_name from v$asm_client;
no rows selected
如果有實(shí)例在使用ASM,需要首先停止這些相關(guān)的實(shí)例,并備份相關(guān)的datafile、controlfile等
4、檢查ASM實(shí)例上的diskgroup
idle> select name from v$asm_diskgroup;
NAME
——————————
DATA
5、刪除檢查到ASM實(shí)例上的diskgroup
idle> drop diskgroup data including contents;
Diskgroup dropped.
6、關(guān)閉ASM實(shí)例
idle> shutdown
ORA-15100: invalid or missing diskgroup name
ASM instance shutdown
idle> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 – Production
With the Partitioning, OLAP and Data Mining options
7、從css中刪除ASM實(shí)例信息
www.18904.com@oracle[/home/oracle]> oradism -delete -asmsid +ASM
8、刪除ASM實(shí)例相關(guān)的spfile、pfile等文件
www.18904.com@oracle[/home/oracle]> cd $ORACLE_HOME/dbs
www.18904.com@oracle[/oracle/app/10.1/dbs]> rm -f *+ASM*
www.18904.com@oracle[/oracle/app/10.1/dbs]> cd $ORACLE_BASE/admin
www.18904.com@oracle[/oracle/admin]> rm -rf +ASM
9、刪除/etc/oratab文件中的ASM實(shí)例相關(guān)行
刪除/etc/oratab文件中的如下行
其實(shí)刪除oracle 實(shí)例同樣要查出該文件的內(nèi)容
+ASM:/oracle/app/10.1:Y
10、用root用戶刪除cssd服務(wù)
www.18904.com@root[/oracle/app/10.1/bin]> ./localconfig delete
Stopping CSSD.
Shutting down CSS daemon.
Shutdown request successfully issued.
Shutdown has begun. The daemons should exit soon.
11、清除ASM使用的設(shè)備的文件頭信息
www.18904.com@oracle[/home/oracle]> cd /dev/raw/
www.18904.com@oracle[/dev/raw]> ls -l *
crw——- 1 oracle oinstall 162, 1 Jan 21 08:45 raw1
crw——- 1 oracle oinstall 162, 2 Jan 21 08:45 raw2
crw——- 1 oracle oinstall 162, 3 Jan 21 08:45 raw3
www.18904.com@oracle[/dev/raw]> dd if=/dev/zero of=/dev/raw/raw1 bs=1024 count=10
10+0 records in
10+0 records out
10240 bytes (10 kB) copied, 0.00396028 seconds, 2.6 MB/s
www.18904.com@oracle[/dev/raw]> dd if=/dev/zero of=/dev/raw/raw2 bs=1024 count=10
10+0 records in
10+0 records out
10240 bytes (10 kB) copied, 0.00485093 seconds, 2.1 MB/s
www.18904.com@oracle[/dev/raw]> dd if=/dev/zero of=/dev/raw/raw3 bs=1024 count=10
10+0 records in
10+0 records out
10240 bytes (10 kB) copied, 0.00532261 seconds, 1.9 MB/s
–end–
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