给表空间增加数据文件的时候遇到ORA-00470错误，数据库也崩溃了！

平台：RHEL4.5，Oracle10.2.0.1，单实例

Alert.log中的报错信息，有ORA-00470错误：

Wed Oct 29 10:57:00 2008

ALTER TABLESPACE E_DATA ADD DATAFILE '/data2/oradata/etest/e_data3.dbf' SIZE 2000M AUTOEXTEND OFF

Wed Oct 29 11:07:10 2008

PMON failed to acquire latch, see PMON dump

Wed Oct 29 11:07:12 2008

Errors in file /data1/app/oracle/oracle/admin/eTest/bdump/etest_pmon_22895.trc:

ORA-00470: LGWR process terminated with error

Wed Oct 29 11:07:13 2008

Errors in file /data1/app/oracle/oracle/admin/eTest/bdump/etest_pmon_22895.trc:

ORA-00470: LGWR process terminated with error

Wed Oct 29 11:07:13 2008

Errors in file /data1/app/oracle/oracle/admin/eTest/bdump/etest_pmon_22895.trc:

ORA-00470: LGWR process terminated with error

Wed Oct 29 11:07:14 2008

Errors in file /data1/app/oracle/oracle/admin/eTest/bdump/etest_pmon_22895.trc:

ORA-00470: LGWR process terminated with error

Wed Oct 29 11:07:17 2008

Errors in file /data1/app/oracle/oracle/admin/eTest/bdump/etest_pmon_22895.trc:

ORA-00470: LGWR process terminated with error

PMON: terminating instance due to error 470

Termination issued to instance processes. Waiting for the processes to exit

Wed Oct 29 11:07:27 2008

Instance termination failed to kill one or more processes

Wed Oct 29 11:08:12 2008

Instance terminated by PMON, pid = 22895



根据提示查看对应的trace文件：

$ more /data1/app/oracle/oracle/admin/eTest/bdump/etest_pmon_22895.trc

/data1/app/oracle/oracle/admin/eTest/bdump/etest_pmon_22895.trc

Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production

With the Partitioning, OLAP and Data Mining options

ORACLE_HOME = /data1/app/oracle/oracle/product/10.2.0/db_1

System name: Linux

Node name: test

Release: 2.6.9-55.ELsmp

Version: #1 SMP Fri Apr 20 17:03:35 EDT 2007

Machine: i686

Instance name: eTest

Redo thread mounted by this instance: 1

Oracle process number: 2

Unix process pid: 22895, image: oracle@test (PMON)

*** 2008-10-29 11:07:03.311

*** SERVICE NAME:(SYS$BACKGROUND) 2008-10-29 11:04:46.821

*** SESSION ID:(335.1) 2008-10-29 11:04:46.821

PMON unable to acquire latch 45f42de4 Child library cache level=5 child#=3

Location from where latch is held: kgllkdl: child: no lock handle: latch

Context saved from call: 0

state=busy, wlstate=free

waiters [orapid (seconds since: put on list, posted, alive check)]:

43 (298, 1225249335, 298)

31 (0, 1225249335, 0)

44 (0, 1225249335, 0)

waiter count=3

gotten 83228 times wait