Cleanup ASM DISK Header Status

SQL> select header_status, path FROM V$ASM_DISK where header_status like 'FORMER';

HEADER_STATU PATH
------------ ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
FORMER       /dev/vx/rdsk/dev_data_dg/raw66g40301
FORMER       /dev/vx/rdsk/dev_data_dg/raw66g40302



bash-3.2$  dd if=/dev/zero of=/dev/vx/rdsk/dev_data_dg/raw66g40301 bs=1024 count=50
bash-3.2$ dd if=/dev/zero of=/dev/vx/rdsk/dev_data_dg/raw66g40301 bs=1024 count=50
50+0 records in
50+0 records out
bash-3.2$ dd if=/dev/zero of=/dev/vx/rdsk/dev_data_dg/raw66g40302 bs=1024 count=50
50+0 records in
50+0 records out



SQL> select header_status, path FROM V$ASM_DISK where header_status like 'CANDIDATE';

HEADER_STATU PATH
------------ ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
CANDIDATE    /dev/vx/rdsk/dev_data_dg/raw66g40302
CANDIDATE    /dev/vx/rdsk/dev_data_dg/raw66g40301