Issue configuring ASM

Question

I am trying to create a new Single instance test database (10.2.0.4 on Linux RHEL4) with ASM storage and but I am unable to get any disk listing on the 'Configure Automatic Storage Management' screen. But when I execute
$ /etc/init.d/oracleasm listdisks
ASMDSK1
ASMDSK2
ASMDSK3
ASMDSK4
ASMDSK5
ASMDSK6
Also, when I queried the disks, I didn't get any errors.
$ /etc/init.d/oracleasm querydisk ASMDSK1
Disk "ASMDSK1" is a valid ASM disk on device [8, 17]
There is no error log or any information regarding ASM in the install log file.
What am I missing out where am I going wrong?
Thanks in advance,
Arindam

Answer 1

please check permission files at /dev/oracleasm/disks/
Example:
# ls -l /dev/oracleasm/disks/
total 0
brw-rw---- 1 oracle dba 7, 1 Dec 11 10:09 VOL1
brw-rw---- 1 oracle dba 7, 2 Dec 11 10:09 VOL2
brw-rw---- 1 oracle dba 7, 3 Dec 11 10:09 VOL3
what use did you start ASM instance "oracle"?
if you use "oracle", you should have "oracle" permission at files in /dev/oracleasm/disks/ PATH
if permission on files don't match with user start ASM instance... you should modified configure ASMLIB
- Stop ASM instance
- Reconfigure ASMLIB
$ su - root
# # /etc/init.d/oracleasm configure
Configuring the Oracle ASM library driver.
This will configure the on-boot properties of the Oracle ASM library
driver. The following questions will determine whether the driver is
loaded on boot and what permissions it will have. The current values
will be shown in brackets ('[]'). Hitting <ENTER> without typing an
answer will keep that current value. Ctrl-C will abort.
Default user to own the driver interface []: oracle
Default group to own the driver interface []: dba
- check
# /etc/init.d/oracleasm listdisks
- start Oracle ASM
$ id
uid=500(oracle)
$ export ORALCE_SID=+ASM
$ sqlplus / as sysdba
SQL> startup
SQL> select * from v$asm_disk;
Or... use "dbca"