Error while creating asm disk group:::urgent

Question

i am getting this error though i have given total path in DISK parameter.
SQL> CREATE DISKGROUP dgroup1
2 NORMAL REDUNDANCY
3 FAILGROUP ctlr1
4 DISK 'disk1'
5 FAILGROUP ctlr2
6 DISK 'disk2';
CREATE DISKGROUP dgroup1
ERROR at line 1:
ORA-15018: diskgroup cannot be created
ORA-15031: disk specification 'disk2' matches no disks
ORA-15031: disk specification 'disk1' matches no disks

Answer 1

hi all,
thnx for ur attention i am able to solve the issue by doing the following steps...
[oracle@sierra200 product]$ su - root
Password:
[root@sierra200 root]# losetup /dev/loop1 /u04/app/oracle/product/asmdisks/disk1
[root@sierra200 root]# losetup /dev/loop1 /u04/app/oracle/product/asmdisks/disk2
ioctl: LOOP_SET_FD: Device or resource busy
[root@sierra200 root]# losetup /dev/loop1 /u04/app/oracle/product/asmdisks/disk1
ioctl: LOOP_SET_FD: Device or resource busy
[root@sierra200 root]# losetup /dev/loop2 /u04/app/oracle/product/asmdisks/disk2
[root@sierra200 root]# vi /etc/sysconfig/rawdevices
# raw device bindings
# format: <rawdev> <major> <minor>
# <rawdev> <blockdev>
# example: /dev/raw/raw1 /dev/sda1
# /dev/raw/raw2 8 5
/dev/raw/raw1 /dev/loop1
/dev/raw/raw2 /dev/loop2
[root@sierra200 root]# /etc/init.d/rawdevices start
Assigning devices:
/dev/raw/raw1 --> /dev/loop1
/dev/raw/raw1: bound to major 7, minor 1
/dev/raw/raw2 --> /dev/loop2
/dev/raw/raw2: bound to major 7, minor 2
done
[root@sierra200 root]# chown oracle:dba /dev/raw/raw1
[root@sierra200 root]# chown oracle:dba /dev/raw/raw2
[root@sierra200 root]# chmod 660 /dev/raw/raw1
[root@sierra200 root]# chmod 660 /dev/raw/raw2
[root@sierra200 root]# exit
logout
shut the instance and make the disk string as '/dev/raw/raw*'
and then create spfile from pfile. and then nomount the instance.
SQL> CREATE DISKGROUP dgroup1
2 NORMAL REDUNDANCY
3 FAILGROUP ctlr1
4 DISK '/dev/raw/raw1'
5 FAILGROUP ctlr2
6 DISK '/dev/raw/raw2';
Diskgroup created.
SQL> select name, state,total_mb,free_mb,path from v$ASM_DISK;
NAME STATE TOTAL_MB FREE_MB
PATH
DGROUP1_0001 NORMAL 100 50
/dev/raw/raw2
DGROUP1_0000 NORMAL 100 50
/dev/raw/raw1
Regards,
Sravan