ASM disk not online

I am not able to do  alter diskgroup DGMGMT online disk DISKASM3;

17:30:50 SQL> alter diskgroup DGMGMT online disk DISKASM3;

alter diskgroup DGMGMT online disk DISKASM3

*

ERROR at line 1:

ORA-15032: not all alterations performed

ORA-15283: ASM operation requires compatible.rdbms of 11.1.0.0.0 or higher

DG_NAME         DG_STATE   TYPE                   DSK_NO PATH            MOUNT_STATUS          FAILGROUP  STATE

--------------- ---------- ------------------ ---------- --------------- --------------------- ---------- ----------

DGDATA          MOUNTED    NORMAL                      0 /dev/rhdiskasm0 CACHED                FGDATA1    NORMAL

DGDATA          MOUNTED    NORMAL                      1 /dev/rhdiskasm1 CACHED                FGDATA2    NORMAL

DGDATA          MOUNTED    NORMAL                      2 /dev/rhdiskasm2 CACHED                FGDATA3    NORMAL

DGMGMT          MOUNTED    NORMAL                      0                 MISSING               FGMGMT1    FORCING

DGMGMT          MOUNTED    NORMAL                      1 /dev/rhdiskasm4 CACHED                FGMGMT2    NORMAL