[oracle@13cd2bf6fbf3 helowin]$ cp /home/oracle/app/oracle/oradata/new/example01.dbf /home/oracle/app/oracle/oradata/helowin/
[oracle@13cd2bf6fbf3 helowin]$ rm /home/oracle/app/oracle/oradata/new/example01.dbf
[oracle@13cd2bf6fbf3 helowin]$ touch /home/oracle/app/oracle/oradata/new/example01.dbf
[oracle@13cd2bf6fbf3 helowin]$ chmod 777 /home/oracle/app/oracle/oradata/new/example01.dbf
[oracle@13cd2bf6fbf3 helowin]$ sqlplus /nolog
SQL*Plus: Release 11.2.0.1.0 Production on Tue Jun 29 16:56:25 2021
Copyright (c) 1982, 2009, Oracle. All rights reserved.
SQL> conn /as sysdba
Connected.
SQL> shutdown immediate;
ORA-01115: IO error reading block from file 5 (block # 1)
ORA-01110: data file 5: '/home/oracle/app/oracle/oradata/new/example01.dbf'
ORA-27072: File I/O error
Additional information: 4
Additional information: 1
SQL> alter database datafile 5 offline drop;
Database altered.
SQL>

本文介绍了当Oracle Linux根目录空间不足时,如何迁移dbf文件以释放空间。通过一系列的SQL命令,包括离线数据文件、重命名、恢复和打开数据库等操作,成功将example01.dbf文件从/new目录迁移到/helowin目录,并确保数据库正常运行。
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