Oracleasm deletedisk failed Unable to clear disk

#/usr/sbin/oracleasm

#oracleasm deletedisk ASMDISK1

 Error:  unable to clear disk

All disks are removed ASMDISK2,ASMDISK3,ASMDISK4

Try to remove all disk from second node.



[root@rac2 sbin]# oracleasm deletedisk ASMDISK1
Clearing disk header: done
Dropping disk: done

[root@rac2 sbin]# oracleasm deletedisk ASMDISK2
Disk "ASMDISK2" defines an unmarked device
Dropping disk: done


[root@rac2 sbin]# oracleasm deletedisk ASMDISK3
Disk "ASMDISK3" defines an unmarked device
Dropping disk: done


[root@rac2 sbin]# oracleasm deletedisk ASMDISK4
Disk "ASMDISK4" defines an unmarked device
Dropping disk: done