Disk removel state forcing ASM

Question

SQL> select name,state, free_mb from v$asm_disk;
NAME STATE FREE_MB
DBF_0003 FORCING 0
DBF_0004 NORMAL 953
DBF_0002 NORMAL 312
DBF_0000 NORMAL 628
DBF_0001 NORMAL 629
how to remove disk 0003 which is still in forcing state.
10.2.0. on win 2003(VMWare)

Answer 1

Previously i did the following when the disk is in the hung state:
SQL> select incarnation,state, free_mb from v$asm_disk;
INCARNATION STATE FREE_MB
0 HUNG 0
4042430731 NORMAL 954
4042430732 NORMAL 311
4042430733 NORMAL 628
4042430734 NORMAL 629
SQL> alter diskgroup dbf drop disk DBF_0003 force;
Diskgroup altered.
SQL> select incarnation,state, free_mb from v$asm_disk;
INCARNATION STATE FREE_MB
0 FORCING 0
4042430731 NORMAL 954
4042430732 NORMAL 311
4042430733 NORMAL 628
4042430734 NORMAL 629
SQL> startup force
ASM instance started
Total System Global Area 83886080 bytes
Fixed Size 1247420 bytes
Variable Size 57472836 bytes
ASM Cache 25165824 bytes
ASM diskgroups mounted
SQL> select incarnation,state, free_mb from v$asm_disk;
INCARNATION STATE FREE_MB
0 FORCING 0
4042417582 NORMAL 953
4042417583 NORMAL 312
4042417584 NORMAL 628
4042417585 NORMAL 629
SQL> alter diskgroup dbf drop disk dbf_0003 force;
alter diskgroup dbf drop disk dbf_0003 force
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15071: ASM disk "DBF_0003" is already being dropped
Edited by: user8664817 on Aug 11, 2009 12:25 AM