手动创建ASM

Partition disk
# fdisk /dev/sdc

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-1044, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-1044, default 1044):
Using default value 1044

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.
# fdisk /dev/sdd

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-1044, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-1044, default 1044):
Using default value 1044

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.

# partprobe

Create raw devices
# cat > /etc/sysconfig/rawdevices <# This file and interface are deprecated.
# Applications needing raw device access should open regular
# block devices with O_DIRECT.
# raw device bindings
# format: 
#         
# example: /dev/raw/raw1 /dev/sda1
#          /dev/raw/raw2 8 5

/dev/raw/raw1 /dev/sdc1
/dev/raw/raw2 /dev/sdd1
EOF

# service rawdevices restart

ls /dev/raw -ltrAssigning devices:
           /dev/raw/raw1  -->   /dev/sdc1
/dev/raw/raw1:  bound to major 8, minor 33
           /dev/raw/raw2  -->   /dev/sdd1
/dev/raw/raw2:  bound to major 8, minor 49
done
# ls /dev/raw -ltr
# chown -R oracle.oinstall /dev/raw/raw*

modify permissions
# sed -i '/raw\/\*/ c\raw\/\*\:oracle\:oinstall\:0660' /etc/udev/permissions.d/50-udev.permissions

configure ccsd sercies
# /u01/app/oracle/product/10.2.0/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 '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.
        dblife10
CSS is active on all nodes.
Oracle CSS service is installed and running under init(1M)

# su - oracle
$ export ORACLE_SID=+ASM
create directory
$ mkdir /u01/app/oracle/admin/+ASM/udump -p
$ mkdir /u01/app/oracle/admin/+ASM/cdump
$ mkdir /u01/app/oracle/admin/+ASM/bdump

create password file
$ cd $ORACLE_HOME/dbs
$ orapwd file=orapw+ASM password=oracle

create ASM pfile
$ cat > init+ASM.ora <*.instance_type='asm'
*.large_pool_size=12M
*.remote_login_passwordfile='SHARED'
*.background_dump_dest='/u01/app/oracle/admin/+ASM/bdump'
*.core_dump_dest='/u01/app/oracle/admin/+ASM/cdump'
*.user_dump_dest='/u01/app/oracle/admin/+ASM/udump'
EOF

$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.1.0 - Production on Sat Jun 4 18:06:56 2011

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> create spfile from pfile;

File created.

SQL> startup nomount
ASM instance started

Total System Global Area   83886080 bytes
Fixed Size                  1217836 bytes
Variable Size              57502420 bytes
ASM Cache                  25165824 bytes
SQL> create diskgroup data external redundancy disk '/dev/raw/raw1';

Diskgroup created.

SQL> alter diskgroup data add disk '/dev/raw/raw2';

Diskgroup altered.

SQL> select name,state,total_mb,usable_file_mb from v$asm_diskgroup;

NAME                           STATE         TOTAL_MB USABLE_FILE_MB
------------------------------ ----------- ---------- --------------
DATA                           MOUNTED          16378          16326

SQL> alter system set asm_diskgroups='DATA' scope=both;

System altered.

SQL> create pfile from spfile;

File created.

SQL> shutdown
ASM diskgroups dismounted
ASM instance shutdown

SQL> startup
ASM instance started

Total System Global Area   83886080 bytes
Fixed Size                  1217836 bytes
Variable Size              57502420 bytes
ASM Cache                  25165824 bytes
ASM diskgroups mounted

SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
$ cat init+ASM.ora
+ASM.asm_diskgroups='DATA'#Manual Mount
*.asm_diskgroups='DATA'
*.background_dump_dest='/u01/app/oracle/admin/+ASM/bdump'
*.core_dump_dest='/u01/app/oracle/admin/+ASM/cdump'
*.instance_type='asm'
*.large_pool_size=12M
*.remote_login_passwordfile='SHARED'
*.user_dump_dest='/u01/app/oracle/admin/+ASM/udump'