-- Viewing disk group attributes with V$ASM_ATTRIBUTE

SELECT dg.name AS diskgroup, SUBSTR(a.name,1,18) AS name,
     SUBSTR(a.value,1,24) AS value, read_only FROM V$ASM_DISKGROUP dg, 
     V$ASM_ATTRIBUTE a WHERE dg.name = 'DATA'
     AND dg.group_number = a.group_number;

-- Viewing the compatibility of a disk group with V$ASM_DISKGROUP

SELECT name AS diskgroup, compatibility AS asm_compat, 
     database_compatibility AS db_compat FROM V$ASM_DISKGROUP;

-- Viewing disks in disk groups with V$ASM_DISK

SELECT SUBSTR(d.name,1,16) AS asmdisk, d.mount_status, d.state, 
     dg.name AS diskgroup FROM V$ASM_DISKGROUP dg, V$ASM_DISK d 
     WHERE dg.group_number = d.group_number;

-- Viewing disk group clients with V$ASM_CLIENT

SELECT dg.name AS diskgroup, SUBSTR(c.instance_name,1,12) AS instance,
    SUBSTR(c.db_name,1,12) AS dbname, SUBSTR(c.SOFTWARE_VERSION,1,12) AS software,
    SUBSTR(c.COMPATIBLE_VERSION,1,12) AS compatible 
    FROM V$ASM_DISKGROUP dg, V$ASM_CLIENT c  
    WHERE dg.group_number = c.group_number;

-- Viewing Oracle ASM File Access Control information with V$ASM_USER

SELECT dg.name AS diskgroup, u.group_number, u.user_number, u.os_id, u.os_name 
     FROM V$ASM_DISKGROUP dg, V$ASM_USER u 
     WHERE dg.group_number = u.group_number AND dg.name = 'DATA';

-- Viewing Oracle ASM File Access Control information with V$ASM_USERGROUP

SELECT dg.name AS diskgroup, ug.group_number, ug.owner_number, u.os_name,
      ug.usergroup_number, ug.name FROM V$ASM_DISKGROUP dg, V$ASM_USER u, V$ASM_USERGROUP ug 
      WHERE dg.group_number = ug.group_number AND dg.name = 'UATDATA' 
      AND ug.owner_number = u.user_number;

--Viewing Oracle ASM File Access Control information with V$ASM_USERGROUP_MEMBER

SELECT dg.name AS diskgroup, um.group_number, um.member_number, u.os_name, 
     um.usergroup_number, ug.name FROM V$ASM_DISKGROUP dg, V$ASM_USER u, V$ASM_USERGROUP_MEMBER um, 
     V$ASM_USERGROUP ug WHERE dg.group_number = um.group_number AND 
     dg.group_number = ug.group_number AND dg.group_number = u.group_number AND dg.name = 'DATA' 
     AND um.member_number = u.user_number AND um.usergroup_number = ug.usergroup_number;

-- Viewing Oracle ASM File Access Control information with V$ASM_FILE

SELECT dg.name AS diskgroup, a.name, f.permissions, f.user_number, u.os_name,
     f.usergroup_number, ug.NAME FROM V$ASM_DISKGROUP dg, V$ASM_USER u, V$ASM_USERGROUP ug, 
     V$ASM_FILE f, V$ASM_ALIAS a WHERE dg.group_number = f.group_number AND 
     dg.group_number = u.group_number AND dg.group_number = ug.group_number AND 
     dg.name = 'FRA' AND f.usergroup_number = ug.usergroup_number AND f.user_number = u.user_number

-- Viewing Intelligent Data Placement information with V$ASM_FILE

SELECT dg.name AS diskgroup, f.file_number, f.primary_region, f.mirror_region, f.hot_reads,
       f.hot_writes,  f.cold_reads, f.cold_writes
       FROM V$ASM_DISKGROUP dg, V$ASM_FILE f 
       WHERE dg.group_number = f.group_number and dg.name = 'DATA';


-- Viewing Intelligent Data Placement information with V$ASM_TEMPLATE

SELECT dg.name AS diskgroup, t.name, t.stripe, t.redundancy, t.primary_region, t.mirror_region 
       FROM V$ASM_DISKGROUP dg, V$ASM_TEMPLATE t 
       WHERE dg.group_number = t.group_number and dg.name = 'DATA' ORDER BY t.name;