五、安裝ASM

1、在oracle網站下載支持包：
http://www.oracle.com/technology ... x/asmlib/rhel5.html
2、根據linux內核下載相應的asm安裝包:
根據uname –a查看內核（黃底紅字為內核）： $ uname -a Linux L-DB-3-6?2.6.18-92.el5?#1 SMP Tue Apr 29 13:16:15 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux 如下為查詢結果： Library and Tools（別光顧內核查出來的四個RPM包遺漏這兩個關鍵的包哦！） ·?????????oracleasm-support-2.1.3-1.el5.x86_64.rpm ·?????????oracleasmlib-2.0.4-1.el5.x86_64.rpm Drivers for kernel 2.6.18-92.el5 ·?????????oracleasm-2.6.18-92.el5xen-2.0.5-1.el5.x86_64.rpm ·?????????oracleasm-2.6.18-92.el5debug-2.0.5-1.el5.x86_64.rpm ·?????????oracleasm-2.6.18-92.el5-debuginfo-2.0.5-1.el5.x86_64.rpm ·?????????oracleasm-2.6.18-92.el5-2.0.5-1.el5.x86_64.rpm
3、安裝?rpm -Uvh .......... --nodeps
注意：需要在root下安裝，在oracle下有如下錯誤： warning: oracleasm-2.6.18-92.el5xen-2.0.5-1.el5.x86_64.rpm: Header V3 DSA signature: NOKEY, key ID 1e5e0159 error: can't create transaction lock on /var/lib/rpm/__db.000

? 4、安裝完成后對用來做asm的磁盤進行分區（采用已經劃分好的三個分區：/dev/sda11、/dev/sda12、/dev/sda13）：
fdisk /dev/sda
n
p
1
回車
回車
w
根據以上參數對所有硬盤都進行進行分區 示例：查看劃分好的分區 Last login: Mon Oct 18 15:58:24 2010 from 172.16.4.41 [root@L-DB-3-6 ~]# vi /etc/redhat-release [root@L-DB-3-6 ~]# vi /etc/oratab [root@L-DB-3-6 ~]# vi /etc/redhat-release [root@L-DB-3-6 ~]# fdisk -l Disk /dev/sda: 291.9 GB, 291999055872 bytes 255 heads, 63 sectors/track, 35500 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot????? Start???????? End????? Blocks?? Id?System /dev/sda1*?????????? 1???????? 255???? 2048256?? 83?Linux /dev/sda2256?????? ?2805??? 20482875?? 83?Linux /dev/sda32806??????? 4080??? 10241437+?83?Linux /dev/sda44081?????? 35500?? 252381150??? 5?Extended /dev/sda54081?????? 19378?? 122881153+?83?Linux /dev/sda619379?????? 21928??? 20482843+?83?Linux /dev/sda721929?????? 23203??? 10241406?? 83?Linux /dev/sda823204?????? 24478??? 10241406?? 83?Linux /dev/sda924479?????? 25753??? 10241406?? 83?Linux /dev/sda1025754?????? 26263???? 4096543+?82?Linux swap / Solaris /dev/sda11????????? 26264?????? 28696??? 19543041?? 83?Linux /dev/sda12????????? 28697?????? 31129??? 19543041?? 83?Linux /dev/sda13????????? 31130?????? 33562??? 19543041?? 83?Linux ? 5、創建asm磁盤
/etc/init.d/oracleasm configure
/etc/init.d/oracleasm createdisk ORACLEASM1 /dev/sda11
/etc/init.d/oracleasm createdisk ORACLEASM2 /dev/sda12
/etc/init.d/oracleasm createdisk ORACLEASM3 /dev/sda13 ? 6、查看asm磁盤：/etc/init.d/oracleasm listdisks 示例： [root@L-DB-3-6 ~]# /etc/init.d/oracleasm listdisks ORACLEASM1 ORACLEASM2 ORACLEASM3 7、安裝oracle（只裝軟件，以后通過dbca創建asm和數據庫） $ cd /database $ ls $./runInstaller 8、安裝過程中只選擇數據庫軟件（不選數據庫和ASM） 注：如下圖選擇第三個選項（Install database Software only） 9、創建asm實例 A.在$ORACLE_HOME/dbs下創建初始化文件init+ASM.ora內容如下： vi init+ASM.ora *.asm_diskstring='ORCL:ORACLEASM*' *.background_dump_dest='/home/oracle/admin/+ASM/bdump' *.core_dump_dest='/home/oracle/admin/+ASM/cdump' *.instance_type='asm' *.large_pool_size=12M *.remote_login_passwordfile='SHARED' *.user_dump_dest='/home/oracle/admin/+ASM/udump' 說明：第一行的ORCL:ORACLEASM*中ORCL為固定格式，ORACLEASM*代表asm磁盤，別的一目了然 B.創建目錄結構 mkdir -p /home/oracle/admin/+ASM/udump mkdir -p /home/oracle/admin/+ASM/bdump mkdir -p /home/oracle/admin/+ASM/cdump 示例： [oracle@L-DB-3-6 dbs]$ mkdir -p /home/oracle/admin/+ASM/udump [oracle@L-DB-3-6 dbs]$ mkdir -p /home/oracle/admin/+ASM/bdump [oracle@L-DB-3-6 dbs]$ mkdir -p /home/oracle/admin/+ASM/cdump C.啟動實例
export ORACLE_SID=+ASM
sqlplus /as sysdba
startup 事例： [oracle@L-DB-3-6 dbs]$ export ORACLE_SID=+ASM [oracle@L-DB-3-6 dbs]$ sqlplus /as sysdba
會報一個ORA-29701 :unable to connect to Cluster Manager錯誤
此時需要切換到root用戶執行：$ORACLE_HOME/bin/localconfig add 示例： [root@L-DB-3-6 ~]# cd /home/oracle/product/10.2.0/db_1/bin/ [root@L-DB-3-6 bin]# ./localconfig add /etc/oracle does not exist. Creating it now. Successfully accumulated necessary OCR keys. Creating OCR keys for user 'root', privgrp 'root'.. Operation successful. Configuration for local CSS has been initialized Adding to inittab Startup will be queued to init within 90 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. l-db-3-6 CSS is active on all nodes. Oracle CSS service is installed and running under init(1M)
做完后切換到oracle下就可以啟動了，不過會報一個：
ORA-15110: no diskgroups mounted 示例： SQL> startup ASM instance started Total System Global Area?130023424 bytes Fixed Size2019032 bytes Variable Size102838568 bytes ASM Cache25165824 bytes ORA-15110: no diskgroups mounted
因為沒有創建磁盤組，那么是正常的報錯，先不用理會。
D.創建spfile
create spfile from pfile;
創建完后spfile，關閉實例(shutdown immediate)，再利用startup啟動一下。 示例： SQL> create spfile from pfile; File created.
E.創建磁盤組(一般最好成對添加，此處沒有)
SQL> create diskgroup dgroup1 normal redundancy
2 failgroup fgroup1 disk 'ORCL:ORACLEASM1','ORCL:ORACLEASM2'
3 failgroup fgroup2 disk 'ORCL:ORACLEASM3';

Diskgroup created.
查看掛載情況：
SQL> select name,state from v$asm_diskgroup;

NAME STATE
------------------------------ -----------
DGROUP1 MOUNTED

若沒有自動掛在，則需要手工掛在：
SQL> alter diskgroup dgroup1 mount;
alter diskgroup dgroup1 mount
*
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15017: diskgroup "DGROUP1" cannot be mounted
ORA-15030: diskgroup name "DGROUP1" is in use by another diskgroup
因為已經掛載，所以會報錯，是正常的。
查看參數：
SQL> show parameter asm_diskgroup;

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
asm_diskgroups string DGROUP1

本文轉自zylhsy 51CTO博客，原文鏈接：http://blog.51cto.com/yunlongzheng/407561，如需轉載請自行聯系原作者

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