Database Software

one of our RAC system have ASM trouble .

ASM prompts error , disk 3,4,5 is missing , while we sure there's only disk 1,2,3 for VOL 1,2,3 configured
on both RAC nodes

1.how do we be sure where disk 3,4,5 is ??
2. how to get rid of the this non-exist disks ?

thanks everyone for answers and hints

br/ricky

alter diskgroup asm_sai mount

*

ERROR at line 1:

ORA-15032: not all alterations performed

ORA-15040: diskgroup is incomplete

ORA-15042: ASM disk "5" is missing

ORA-15042: ASM disk "4" is missing

ORA-15042: ASM disk "3" is missing


/etc/init.d/oracleasm listdisks

VOL1

VOL2

VOL3


Device "/dev/emcpowere1" is marked an ASM disk with the label "VOL1"

Device "/dev/emcpowerf" is not marked as an ASM disk

Device "/dev/emcpowerf1" is marked an ASM disk with the label "VOL2"

Device "/dev/emcpowerg" is not marked as an ASM disk

Device "/dev/emcpowerg1" is marked an ASM disk with the label "VOL3"


select GROUP_NUMBER,NAME,STATE,TYPE from v$asm_diskgroup;

GROUP_NUMBER NAME STATE TYPE

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

0 ASM_SAI DISMOUNTED

select GROUP_NUMBER, DISK_NUMBER,MOUNT_STATUS,state,NAME,path from v$asm_disk;

GROUP_NUMBER DISK_NUMBER MOUNT_S STATE NAME

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

PATH

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

0 0 CLOSED NORMAL

ORCL:VOL1

0 2 CLOSED NORMAL

ORCL:VOL3

0 1 CLOSED NORMAL

ORCL:VOL2