How to Verify the ASM Software Installation

After installing ASM software, you can verify that ASM software is installed and ASM disk group is mounted on a cluster node by performing the following steps.

# sqlplus  "/ as sysdba"
sql>	select * from v$sga;
sql>	select name,state from v$asm_diskgroup;
sql>	exit;
#

If you are using Oracle database 11g, you should use sqlplus "/ as sysasm" instead of sqlplus "/ as sysdba".