Use ASMCA to manage your ASM Disks and ACFS volumes in Oracle11gR2
$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol03
7.7G 4.3G 3.0G 59% /
/dev/mapper/VolGroup00-LogVol02
992M 64M 878M 7% /app
/dev/mapper/VolGroup00-LogVol00
2.0G 416M 1.5G 23% /var
/dev/sdm1 99M 20M 75M 21% /boot
tmpfs 32G 17G 16G 52% /dev/shm
/dev/mapper/VolGroup01-LogVol00
9.9G 2.1G 7.4G 22% /app/oracle
/dev/mapper/VolGroup01-LogVol01
9.9G 6.2G 3.2G 67% /app/grid
/dev/mapper/VolGroup01-LogVol02
60G 3.4G 53G 7% /app/oracle/backup
/dev/asm/ora_home1-181
10G 4.6G 5.5G 46% /app/oracle/product/11.2.0/dbhome_1
/dev/asm/ora_home3-181
10G 2.4G 7.7G 24% /app/oracle/product/10.2.0/dbhome_3
/dev/asm/ora_home4-181
10G 2.2G 7.9G 22% /app/oracle/product/10.2.0/dbhome_4
/dev/asm/ora_home6-181
10G 2.2G 7.9G 22% /app/oracle/product/10.2.0/dbhome_6
/dev/asm/ora_home5-181
10G 4.6G 5.5G 46% /app/oracle/product/11.2.0/dbhome_5
/dev/asm/stage-89 50G 16G 35G 31% /app/oracle/stage
/dev/asm/ora_home2-181
10G 9.1G 999M 91% /app/oracle/product/11.2.0/dbhome_2