公司新上架一台服务到机房，硬件是IBM X3850 X5,硬件配置算是好的，内存有128GB。SA安装好系统--（版本sule 32bit)后通知我可以安装数据库了。忙活半天，安装好oracle 9204后，准备建表空间导入数据。因为数据量比较大，我打算建立一个10G的数据文件用来存储这写数据。打入创建表空间的命令后，没过多久数据库出现宕机现象。后来我又重新操作一遍还是故障依旧。以下是日志信息：

alert.log:

Errors in file /u01/oracle/admin/orcl/bdump/orcl_pmon_13918.trc:
ORA-00471: DBWR process terminated with error
Wed Aug 21 15:56:16 2013
PMON: terminating instance due to error 471
Instance terminated by PMON, pid = 13918

trace file:

/u01/oracle/admin/orcl/bdump/orcl_pmon_13918.trc
Oracle9i Enterprise Edition Release 9.2.0.4.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.4.0 - Production
ORACLE_HOME = /u01/oracle/product/9.2.0
System name:    Linux
Node name:      dbprod
Release:        2.6.27.19-5-pae
Version:        #1 SMP 2009-02-28 04:40:21 +0100
Machine:        i686
Instance name: orcl
Redo thread mounted by this instance: 1
Oracle process number: 2
Unix process pid: 13918, image: oracle@dbprod</a> (PMON)

*** 2013-08-21 15:56:16.296
*** SESSION ID:(1.1) 2013-08-21 15:56:16.277
error 471 detected in background process
ORA-00471: DBWR process terminated with error

/var/log/messages：

Aug 21 14:01:14 dzjg kernel: lowmem_reserve[]: 0 872 62301 62301
Aug 21 14:01:14 dzjg kernel: Node 0 Normal free:3704kB min:3744kB low:4680kB high:5616kB active:3096kB inactive:3092kB present:893200kB

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