ORA-15063: ASM discovered an insufficient number of disks for diskgroup
Hi,
i have a problem. The disgroup DGTR0 was dismount and i can't mount.
SQL> ALTER DISKGROUP DGTR0 MOUNT;
ALTER DISKGROUP DGTR0 MOUNT
*
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15063: ASM discovered an insufficient number of disks for diskgroup "DGTR0"
ORA-15186: ASMLIB error function = [asm_io], error = [3], mesg = [I/O Error]
alter_+ASM.log
=======================================================
Mon May 14 12:01:11 PET 2012
NOTE: ASMB process exiting due to lack of ASM file activity for 12 seconds
Starting background process ASMB
ASMB started with pid=15, OS id=30797
Thu Jun 07 09:49:24 PET 2012
NOTE: ASMB process exiting due to lack of ASM file activity for 12 seconds
Thu Jun 07 12:59:48 PET 2012
ERROR: too many offline disks in PST (grp 3)
Thu Jun 07 12:59:48 PET 2012
ERROR: PST-initiated MANDATORY DISMOUNT of group DGTR0
Thu Jun 07 12:59:48 PET 2012
WARNING: Disk 0 in group 3 in mode: 0x7,state: 0x2 will be taken offline
NOTE: cache dismounting group 3/0xDE58ED90 (DGTR0)
Thu Jun 07 12:59:49 PET 2012
NOTE: halting all I/Os to diskgroup DGTR0
Thu Jun 07 12:59:49 PET 2012
SUCCESS: diskgroup DGTR0 was dismounted
Thu Jun 07 12:59:49 PET 2012
Errors in file /u01/app/oracle/admin/+ASM/bdump/+asm_n000_19911.trc:
ORA-15001: diskgroup "DGTR0" does not exist or is not mounted
Thu Jun 07 14:00:08 PET 2012
WARNING: IO Failed. au:0 diskname:ORCL:DR001
rq:0x2b4bf5db5df0 buffer:0x2b4bf5db4000 au_offset(bytes):0 iosz:4096 operation:0
status:2
WARNING: IO Failed. au:0 diskname:ORCL:DR001
rq:0x2b4bf5db5df0 buffer:0x2b4bf5db4000 au_offset(bytes):0 iosz:4096 operation:0
SQL> ALTER DISKGROUP DGTR0 MOUNT
Fri Jun 08 11:30:31 PET 2012
NOTE: cache registered group DGTR0 number=3 incarn=0x6e6924fe
WARNING: IO Failed. au:0 diskname:ORCL:DR001
rq:0x2b06da305df0 buffer:0x2b06da304000 au_offset(bytes):0 iosz:4096 operation:0
status:2
WARNING: IO Failed. au:0 diskname:ORCL:DR001
rq:0x2b06da305df0 buffer:0x2b06da304000 au_offset(bytes):0 iosz:4096 operation:0
status:2
Fri Jun 08 11:30:31 PET 2012
ERROR: no PST quorum in group 3: required 2, found 0
Fri Jun 08 11:30:31 PET 2012
NOTE: cache dismounting group 3/0x6E6924FE (DGTR0)
NOTE: dbwr not being msg'd to dismount
ERROR: diskgroup DGTR0 was not mounted