E:\asmdisk>dir
 Volume in drive E is Oracle
 Volume Serial Number is 944B-F093

 Directory of E:\asmdisk

03/27/2009  12:50 AM    <DIR>          .
03/27/2009  12:50 AM    <DIR>          ..
04/11/2009  01:07 AM     3,145,728,000 disk1
04/11/2009  01:07 AM     4,194,304,000 disk2
04/11/2009  01:07 AM     4,194,304,000 disk3

SQL> select total_mb,free_mb,name from v$asm_diskgroup;

  TOTAL_MB    FREE_MB NAME
---------- ---------- ------------------------------
     11000      10896 DGROUP1

 asmcmd lsdg

C:\>set ORACLE_SID=+ASM


C:\>SQLPLUS "/AS SYSDBA"

SQL*Plus: Release 10.2.0.1.0 - Production on Sun Apr 12 19:28:58 2009

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

ERROR:
ORA-12560: TNS:protocol adapter error

Enter user-name: SYS AS SYSDBA
Enter password:
Connected to an idle instance.

SQL> STARTUP
ASM instance started

Total System Global Area   79691776 bytes
Fixed Size                  1247396 bytes
Variable Size              53278556 bytes
ASM Cache                  25165824 bytes
ASM diskgroups mounted
SQL> select total_mb,free_mb,name from v$asm_diskgroup;

  TOTAL_MB    FREE_MB NAME
---------- ---------- ------------------------------
     11000      10896 DGROUP1

SQL> SHOW PARAMETER INS

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
instance_name                        string      +asm

SQL> select total_mb,free_mb,path from v$asm_disk;

  TOTAL_MB    FREE_MB
---------- ----------
PATH
--------------------------------------------------------------------------------
      3000       2975
E:\ASMDISK\DISK1

      4000       3972
E:\ASMDISK\DISK2

      4000       3949
E:\ASMDISK\DISK3

SQL>

ASMCMD> lsdg
State    Type    Rebal  Unbal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Name
MOUNTED  NORMAL  N      N         512   4096  1048576     11000    10896             4000            3448              0  DGROUP1/