oracle数据库管理-undo数据文件写入故障

本文链接：https://blog.youkuaiyun.com/oradbm/article/details/103428396

本文记录了Oracle数据库启动至mount阶段但在open时遇到错误的情况，详细解析了错误信息，并通过迁移数据文件解决了磁盘空间不足导致的问题。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

数据库可以启动到mount阶段，但是在open时报错。

[oracle@db01 orcl]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 77G 60G 14G 82% /
tmpfs 16G 1.3G 15G 8% /dev/shm
/dev/mapper/datavg-datalv
394G 367G 3.1G 100% /data
df: `/root/.gvfs': Permission denied
/dev/mapper/data1vg-data1lv
197G 184G 3.7G 99% /data1
/dev/mapper/data2vg-data2lv
197G 166G 22G 89% /data2

KCF: read, write or open error, block=0xbdb7 online=1
file=3 '/data/orcl/undotbs01.dbf'
error=27072 txt: 'Linux-x86_64 Error: 5: Input/output error
Additional information: 4
Additional information: 48566
Additional information: -1'
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_dbw0_31324.trc:
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_dbw0_31324.trc:
ORA-63999: data file suffered media failure
ORA-01114: IO error writing block to file 3 (block # 48567)
ORA-01110: data file 3: '/data/orcl/undotbs01.dbf'
ORA-27072: File I/O error
Linux-x86_64 Error: 5: Input/output error
Additional information: 4
Additional information: 48566
Additional information: -1
DBW0 (ospid: 31324): terminating the instance due to error 63999
Fri Dec 06 18:55:16 2019
System state dump requested by (instance=1, osid=31324 (DBW0)), summary=[abnormal instance termination].
System State dumped to trace file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_diag_31316_20191206185516.trc
Dumping diagnostic data in directory=[cdmp_20191206185516], requested by (instance=1, osid=31324 (DBW0)), summary=[abnormal instance termination].
Instance terminated by DBW0, pid = 31324

关闭数据库，将文件迁移到空间充裕的目录进行尝试。
[oracle@db01 orcl]$ cp undotbs01.dbf /data2/orcl/undotbs01.dbf

[oracle@db01 orcl]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Fri Dec 6 19:09:40 2019

Connected to an idle instance.

SQL> startup mount;
ORACLE instance started.

Total System Global Area 1.6569E+10 bytes
Fixed Size 2269712 bytes
Variable Size 7751077360 bytes
Database Buffers 8791261184 bytes
Redo Buffers 24080384 bytes
Database mounted.
SQL> alter database rename file '/data/orcl/undotbs01.dbf' to '/data2/orcl/undotbs01.dbf';

Database altered.

SQL> alter database open;

Database altered.