ASM Discovery in Linux x86-84 RHEL 4
515907Sep 17 2007 — edited Sep 18 2007Everyone here is my configuration.
OS RHEL 4.0
Kernel 2.6.9-55.0.2.ELlargesmp
ORACLE 10.2.0.3
I installed and configured the ADM libraries as follows:
[root@arlhpdw1 ~]# cd /etc/init.d
[root@arlhpdw1 init.d]# ./oracleasm listdisks
VOL1
[root@arlhpdw1 init.d]# mount
/dev/cciss/c0d0p1 on / type ext3 (rw)
none on /proc type proc (rw)
none on /sys type sysfs (rw)
none on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/cciss/c0d4p1 on /boot type ext3 (rw)
none on /dev/shm type tmpfs (rw)
/dev/cciss/c0d3p1 on /home type ext3 (rw)
/dev/cciss/c0d2p1 on /var type ext3 (rw)
/dev/sda1 on /oracle type ext3 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
oracleasmfs on /dev/oracleasm type oracleasmfs (rw)
[root@arlhpdw1 init.d]#
I have one volume called VOL1 is configured for asm diskring.
My DBCA cannot find the ASM disks during DBCA as well as I get the following error when I try to create a diskgroup,
SQL> show parameter asm
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
asm_diskgroups string
asm_diskstring string ORCL:VOL1
asm_power_limit integer 1
SQL> create diskgroup dg1 external redundancy
2 disk 'ORCL:VOL1';
create diskgroup dg1 external redundancy
*
ERROR at line 1:
ORA-15018: diskgroup cannot be created
ORA-15031: disk specification 'ORCL:VOL1' matches no disks
Any help could be highly appreciated. It is a external redundancy diskgroup.
Thanks
Leo