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ASM instance wont mount
HI, I have 10g release 2 installed on CENTOS 4.4, I use ASM striping with with 4 raw disks.
I had a system crash due to a power failure and now the the ASM wont mount the diskgroup.
export $ORACLE_HOME=+ASM
...
SQL> startup mount;
ASM instance started
Total System Global Area 130023424 bytes
Fixed Size 2071000 bytes
Variable Size 102786600 bytes
ASM Cache 25165824 bytes
ORA-15110: no diskgroups mounted
SQL> alter diskgroup RESEARCH1 mount;
alter diskgroup RESEARCH1 mount
*
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15063: ASM discovered an insufficient number of disks for diskgroup
"RESEARCH1"
now when I use /etc/init.d/oracleasm listdisks I can see all my disks:
DISK1
DISK2
DISK3
DISK4
then i tried to change asm_diskstring to point the mounting point, here is my ora file:
*.asm_diskgroups='RESEARCH1'
+ASM.asm_diskgroups='RESEARCH1' #Manual Dismount
*.asm_diskstring='/dev/oracleasm/disks'
*.background_dump_dest='/home/oracle/product/10.2.0/db_1/admin/+ASM/bdump'
*.core_dump_dest='/home/oracle/product/10.2.0/db_1/admin/+ASM/cdump'
*.instance_type='asm'
*.large_pool_size=12M
*.remote_login_passwordfile='EXCLUSIVE'
*.user_dump_dest='/home/oracle/product/10.2.0/db_1/admin/+ASM/udump'
any ideas?
Thanks
Assaf
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Check the disks status in v$asm_disk. All the disks should be ONLINE.
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