[root@temp ~]# lsof -p 5643
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
oracle 5643 oracle cwd DIR 8,2 4096 1556206 /u01/app/oracle/product/10.2.0/db_1/dbs
oracle 5643 oracle rtd DIR 8,2 4096 2 /
oracle 5643 oracle txt REG 8,2 93362427 1557452 /u01/app/oracle/product/10.2.0/db_1/bin/oracle
oracle 5643 oracle mem REG 8,2 70077 1565448 /u01/app/oracle/product/10.2.0/db_1/lib/libclsra10.so
oracle 5643 oracle mem REG 8,2 50848 389032 /lib/libnss_files-2.5.so
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
oracle 5643 oracle cwd DIR 8,2 4096 1556206 /u01/app/oracle/product/10.2.0/db_1/dbs
oracle 5643 oracle rtd DIR 8,2 4096 2 /
oracle 5643 oracle txt REG 8,2 93362427 1557452 /u01/app/oracle/product/10.2.0/db_1/bin/oracle
oracle 5643 oracle mem REG 8,2 70077 1565448 /u01/app/oracle/product/10.2.0/db_1/lib/libclsra10.so
oracle 5643 oracle mem REG 8,2 50848 389032 /lib/libnss_files-2.5.so
** 把 o1_mf_ggs_data_8rq64t53_.dbf 删除 **
[oracle@temp datafile]$ rm -rf o1_mf_ggs_data_8rq64t53_.dbf
** 23 lists information file handle ***
[the root TEMP @ ~] # LS -alh / proc / 5643 / FD / 23
LRWX ------ Oracle the oinstall. 1 18:08 64 06-19 / proc / 5643 / fd / 23 -> /u01/app/oracle/oradata/ORCL/datafile/o1_mf_ggs_data_8rq64t53_.dbf (deleted)
** direct copy last on the list **
[the root TEMP @ ~] # CP / proc / 5643 / FD / 23 is / u01 / App / Oracle / oradata / ORCL / datafile /
[the root TEMP @ ~] # chown -R & lt Oracle: oinstall / u01 / app / oracle / oradata / ORCL / datafile / 23
[oracle@temp datafile]$ mv 23 o1_mf_ggs_data_8rq64t53_.dbf
sys@ORCL> shutdown immediate
sys@ORCL> startup
ORA-01113: file 6 needs media recovery
ORA-01110: data file 6: '/u01/app/oracle/oradata/ORCL/datafile/o1_mf_ggs_data_8rq64t53_.dbf'
sys@ORCL> recover datafile 6;
sys@ORCL> alter database open;