ORA-27091: unable to queue I/O
I am facing problems on some of our database.
Details:
IBM p series servers
AIX 5.3
Server memory : 16G
there are 2 instances on this server.
1. Near DR - 9840M
2. Test server - 450M
Rest is for server.
Oracle 10.2.0.3.0 - Production
Here is the Alert Log..
Starting up ORACLE RDBMS Version: 10.2.0.3.0.
System parameters with non-default values:
processes = 100
sessions = 115
__shared_pool_size = 146800640
__large_pool_size = 4194304
__java_pool_size = 4194304
__streams_pool_size = 0
nls_language = AMERICAN
nls_territory = INDIA
sga_target = 473956352
control_files = /dev/rHCTRLR1_128M
db_block_size = 8192
__db_cache_size = 310378496
compatible = 10.2.0.1.0
log_archive_dest_1 = LOCATION=/HArch
log_archive_format = %s, %t and %r.arc
db_file_multiblock_read_count= 16
undo_management = AUTO
undo_tablespace = UNDO
remote_login_passwordfile= EXCLUSIVE
db_domain =
dispatchers = (PROTOCOL=TCP) (SERVICE=HISTDATAXDB)
job_queue_processes = 10
background_dump_dest = /Oracle/app/oracle10g/admin/HISTDATA/bdump
user_dump_dest = /Oracle/app/oracle10g/admin/HISTDATA/udump
core_dump_dest = /Oracle/app/oracle10g/admin/HISTDATA/cdump
audit_file_dest = /Oracle/app/oracle10g/admin/HISTDATA/adump
db_name = HISTDATA
open_cursors = 300
pga_aggregate_target = 1073741824
PMON started with pid=2, OS id=164070
Errors in file /Oracle/app/oracle10g/admin/HISTDATA/bdump/histdata_mmon_315640.trc:
ORA-00600: internal error code, arguments: [kmgs_parameter_update_timeout_1], [27091], [], [], [], [], [], []
ORA-27091: unable to queue I/O
ORA-27072: File I/O error
IBM AIX RISC System/6000 Error: 9: Bad file number
Additional information: 7
Additional information: 4
Additional information: -1
Thu Oct 18 14:10:35 2012
Setting recovery target incarnation to 3
SMON: enabling tx recovery
Thu Oct 18 14:10:36 2012
Errors in file /Oracle/app/oracle10g/admin/HISTDATA/bdump/histdata_dbw0_262338.trc:
ORA-00600: internal error code, arguments: [kmgs_parameter_update_timeout_1], [27091], [], [], [], [], [], []
ORA-27091: unable to queue I/O
ORA-27072: File I/O error
IBM AIX RISC System/6000 Error: 9: Bad file number
Additional information: 7
Additional information: 4
Additional information: -1
Thu Oct 18 14:10:36 2012
Database Characterset is WE8ISO8859P1
replication_dependency_tracking turned off (no async multimaster replication found)
Starting background process QMNC
QMNC started with pid=16, OS id=495870
Thu Oct 18 14:10:38 2012
Errors in file /Oracle/app/oracle10g/admin/HISTDATA/bdump/histdata_dbw0_262338.trc:
ORA-00600: internal error code, arguments: [kmgs_parameter_update_timeout_1], [27091], [], [], [], [], [], []
ORA-27091: unable to queue I/O
ORA-27072: File I/O error
IBM AIX RISC System/6000 Error: 9: Bad file number
Additional information: 7
Additional information: 4
Additional information: -1
Thu Oct 18 14:10:38 2012
DBW0: terminating instance due to error 471
Instance terminated by DBW0, pid = 262338
Every time i start the DB, instance gets terminate dautomatically..