LUN MIGRATION STEPS

 sudo fdisk -l 2>/dev/null | egrep '^Disk' | egrep -v 'dm-|type|identifier'

bosp13344 ORA_DATA01 = SSD 200GB  LUN ID= 00:01:D3    /dev/sdf1

bosp123     ORA_FRA01  = SSD 100GB  LUN ID= 00:01:C7    /dev/sdg1

sudo oracleasm createdisk ORA_DATA_01 /dev/sdf1

alter diskgroup ORA_DATA add disk '/dev/oracleasm/disks/ORA_DATA_01' NAME ORA_DATA_01 rebalance power 100;

Select * from v$asm_operation;

alter diskgroup ORA_DATA drop disk 'ORA_DATA_0000' rebalance power 100;

Select * from v$asm_operation;

    set lines 999;

    col diskgroup for a15

    col diskname for a20

    col path for a35

    select a.name DiskGroup,b.name DiskName, b.total_mb, (b.total_mb-b.free_mb) Used_MB, b.free_mb,b.path, 

    b.header_status

    from v$asm_disk b, v$asm_diskgroup a 

    where a.group_number (+) =b.group_number 

    order by b.group_number,b.name;

sudo oracleasm deletedisk ORA_DATA_001

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

sudo oracleasm createdisk ORA_FRA_01 /dev/sdg1

alter diskgroup ORA_FRA add disk '/dev/oracleasm/disks/ORA_FRA_01' NAME ORA_FRA_01 rebalance power 100;

Select * from v$asm_operation;

alter diskgroup ORA_FRA drop disk 'ORA_FRA_001_0000' rebalance power 100;

/dev/oracleasm/disks/ORA_FRA_01

    set lines 999;

    col diskgroup for a15

    col diskname for a20

    col path for a35

    select a.name DiskGroup,b.name DiskName, b.total_mb, (b.total_mb-b.free_mb) Used_MB, b.free_mb,b.path, 

    b.header_status

    from v$asm_disk b, v$asm_diskgroup a 

    where a.group_number (+) =b.group_number 

    order by b.group_number,b.name;

sudo oracleasm deletedisk ORA_FRA_001