Gather ASM Detail in HTML Format

This script will help you to gather basic ASM environment details in HTML format.

SPOOL ASM.HTML 
SET MARKUP HTML ON 
set echo on 
set pagesize 200 
alter session set nls_date_format='DD-MON-YYYY HH24:MI:SS'; 
select 'THIS ASM REPORT WAS GENERATED AT: ==> ' , sysdate " " from dual; 
select 'HOSTNAME ASSOCIATED WITH THIS ASM INSTANCE: ==> ' , MACHINE " " from v$session where program like '%SMON%'; 
select * from v$asm_diskgroup; 
SELECT * FROM V$ASM_DISK ORDER BY GROUP_NUMBER,DISK_NUMBER; 
SELECT * FROM V$ASM_CLIENT; 
select * from V$ASM_ATTRIBUTE; 
select * from v$asm_operation; 
select * from gv$asm_operation; 
select * from v$asm_alias; 
select * from v$asm_file; 
select * from v$version; 
show parameter asm 
show parameter cluster 
show parameter instance_type 
show parameter instance_name 
show parameter spfile 
show parameter 
show sga 
spool off 
exit