linux下文件被删除可以用很多工具进行恢复，例如undelete(适合ext2,ext3)、giis(不能恢复安装giis之前的文件)、ext3grep(仅限ext3)、R-linux(支持ext3,但是需要操作系统是32位的)。还有testdisk等等就不一一介绍了。需要注意的是，我们误删文件后，最好保持现
linux下文件被删除可以用很多工具进行恢复，例如undelete(适合ext2,ext3)、giis(不能恢复安装giis之前的文件)、ext3grep(仅限ext3)、R-linux(支持ext3,但是需要操作系统是32位的)。还有testdisk等等就不一一介绍了。需要注意的是，我们误删文件后，最好保持现场。下面不用工具来恢复误删的数据文件：
ZBDBA@orcl11g>select * from zbdba; select * from zbdba * ERROR at line 1: ORA-01116: error in opening database file 6 ORA-01110: data file 6: '/opt/oracle/oradata/orcl11g/zbdba01.dbf' ORA-27041: unable to open file Linux-x86_64 Error: 2: No such file or directory Additional information: 3 [root@ogg1 ~]# ps -ef |grep dbw oracle 4884 1 0 22:31 ? 00:00:00 ora_dbw0_orcl11g root 5083 5063 0 22:35 pts/3 00:00:00 grep dbw [root@ogg1 ~]# lsof 4884 [root@ogg1 ~]# lsof -p 4884 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME oracle 4884 oracle cwd DIR 253,0 4096 1311097 /opt/oracle/products/11.2.0/dbs oracle 4884 oracle rtd DIR 253,0 4096 2 / oracle 4884 oracle txt REG 253,0 210823828 1715825 /opt/oracle/products/11.2.0/bin/oracle oracle 4884 oracle mem REG 0,16 4194304 30646 /dev/shm/ora_orcl11g_688128_0 oracle 4884 oracle mem REG 0,16 4194304 30647 /dev/shm/ora_orcl11g_688128_1 oracle 4884 oracle mem REG 0,16 0 30648 /dev/shm/ora_orcl11g_688128_2 oracle 4884 oracle mem REG 0,16 0 30649 /dev/shm/ora_orcl11g_688128_3 oracle 4884 oracle mem REG 0,16 0 30650 /dev/shm/ora_orcl11g_688128_4 oracle 4884 oracle mem REG 0,16 0 30651 /dev/shm/ora_orcl11g_688128_5 oracle 4884 oracle mem REG 0,16 0 30652 /dev/shm/ora_orcl11g_688128_6 oracle 4884 oracle mem REG 0,16 0 30653 /dev/shm/ora_orcl11g_688128_7 oracle 4884 oracle mem REG 0,16 0 30654 /dev/shm/ora_orcl11g_688128_8 oracle 4884 oracle mem REG 0,16 0 30655 /dev/shm/ora_orcl11g_688128_9 oracle 4884 oracle mem REG 0,16 0 30656 /dev/shm/ora_orcl11g_688128_10 oracle 4884 oracle mem REG 0,16 0 30657 /dev/shm/ora_orcl11g_688128_11 oracle 4884 oracle mem REG 0,16 0 30658 /dev/shm/ora_orcl11g_688128_12 oracle 4884 oracle mem REG 0,16 0 30659 /dev/shm/ora_orcl11g_688128_13 oracle 4884 oracle mem REG 0,16 0 30660 /dev/shm/ora_orcl11g_688128_14 oracle 4884 oracle mem REG 0,16 0 30661 /dev/shm/ora_orcl11g_688128_15 oracle 4884 oracle mem REG 0,16 0 30662 /dev/shm/ora_orcl11g_688128_16 oracle 4884 oracle mem REG 0,16 0 30663 /dev/shm/ora_orcl11g_688128_17 oracle 4884 oracle mem REG 0,16 0 30664 /dev/shm/ora_orcl11g_688128_18 oracle 4884 oracle mem REG 0,16 0 30665 /dev/shm/ora_orcl11g_688128_19 oracle 4884 oracle mem REG 0,16 0 30666 /dev/shm/ora_orcl11g_688128_20 oracle 4884 oracle mem REG 0,16 0 30667 /dev/shm/ora_orcl11g_688128_21 oracle 4884 oracle mem REG 0,16 0 30668 /dev/shm/ora_orcl11g_688128_22 oracle 4884 oracle mem REG 0,16 0 30669 /dev/shm/ora_orcl11g_688128_23 oracle 4884 oracle mem REG 0,16 0 30670 /dev/shm/ora_orcl11g_688128_24 oracle 4884 oracle mem REG 0,16 0 30671 /dev/shm/ora_orcl11g_688128_25 oracle 4884 oracle mem REG 0,16 0 30672 /dev/shm/ora_orcl11g_688128_26 oracle 4884 oracle mem REG 0,16 0 30673 /dev/shm/ora_orcl11g_688128_27 oracle 4884 oracle mem REG 0,16 0 30674 /dev/shm/ora_orcl11g_688128_28 oracle 4884 oracle mem REG 0,16 0 30675 /dev/shm/ora_orcl11g_688128_29 oracle 4884 oracle mem REG 0,16 0 30676 /dev/shm/ora_orcl11g_688128_30 oracle 4884 oracle mem REG 0,16 0 30677 /dev/shm/ora_orcl11g_688128_31 oracle 4884 oracle mem REG 0,16 0 30678 /dev/shm/ora_orcl11g_688128_32 oracle 4884 oracle mem REG 0,16 0 30679 /dev/shm/ora_orcl11g_688128_33 oracle 4884 oracle mem REG 0,16 0 30680 /dev/shm/ora_orcl11g_688128_34 oracle 4884 oracle mem REG 0,16 0 30681 /dev/shm/ora_orcl11g_688128_35 oracle 4884 oracle mem REG 0,16 0 30682 /dev/shm/ora_orcl11g_688128_36 oracle 4884 oracle mem REG 0,16 0 30683 /dev/shm/ora_orcl11g_688128_37 oracle 4884 oracle mem REG 0,16 0 30684 /dev/shm/ora_orcl11g_688128_38 oracle 4884 oracle mem REG 0,16 0 30685 /dev/shm/ora_orcl11g_688128_39 oracle 4884 oracle mem REG 0,16 4194304 30686 /dev/shm/ora_orcl11g_688128_40 oracle 4884 oracle mem REG 0,16 4194304 30687 /dev/shm/ora_orcl11g_688128_41 oracle 4884 oracle mem REG 0,16 4194304 30688 /dev/shm/ora_orcl11g_688128_42 oracle 4884 oracle mem REG 0,16 4194304 30689 /dev/shm/ora_orcl11g_688128_43 oracle 4884 oracle mem REG 0,16 4194304 30690 /dev/shm/ora_orcl11g_688128_44 oracle 4884 oracle mem REG 0,16 4194304 30691 /dev/shm/ora_orcl11g_688128_45 oracle 4884 oracle mem REG 0,16 4194304 30692 /dev/shm/ora_orcl11g_688128_46 oracle 4884 oracle mem REG 0,16 4194304 30693 /dev/shm/ora_orcl11g_688128_47 oracle 4884 oracle mem REG 0,16 4194304 30694 /dev/shm/ora_orcl11g_688128_48 oracle 4884 oracle mem REG 0,16 4194304 30695 /dev/shm/ora_orcl11g_688128_49 oracle 4884 oracle mem REG 0,16 4194304 30696 /dev/shm/ora_orcl11g_688128_50 oracle 4884 oracle mem REG 0,16 4194304 30697 /dev/shm/ora_orcl11g_688128_51 oracle 4884 oracle mem REG 0,16 4194304 30698 /dev/shm/ora_orcl11g_688128_52 oracle 4884 oracle mem REG 0,16 4194304 30699 /dev/shm/ora_orcl11g_688128_53 oracle 4884 oracle mem REG 0,16 4194304 30700 /dev/shm/ora_orcl11g_688128_54 oracle 4884 oracle mem REG 0,16 4194304 30701 /dev/shm/ora_orcl11g_688128_55 oracle 4884 oracle mem REG 0,16 4194304 30702 /dev/shm/ora_orcl11g_688128_56 oracle 4884 oracle mem REG 0,16 4194304 30703 /dev/shm/ora_orcl11g_688128_57 oracle 4884 oracle mem REG 0,16 4194304 30704 /dev/shm/ora_orcl11g_688128_58 oracle 4884 oracle mem REG 0,16 4194304 30705 /dev/shm/ora_orcl11g_688128_59 oracle 4884 oracle mem REG 0,16 4194304 30706 /dev/shm/ora_orcl11g_688128_60 oracle 4884 oracle mem REG 0,16 4194304 30707 /dev/shm/ora_orcl11g_688128_61 oracle 4884 oracle mem REG 0,16 4194304 30708 /dev/shm/ora_orcl11g_688128_62 oracle 4884 oracle mem REG 0,16 4194304 30709 /dev/shm/ora_orcl11g_688128_63 oracle 4884 oracle mem REG 0,16 4194304 30710 /dev/shm/ora_orcl11g_688128_64 oracle 4884 oracle mem REG 0,16 4194304 30711 /dev/shm/ora_orcl11g_688128_65 oracle 4884 oracle mem REG 0,16 4194304 30712 /dev/shm/ora_orcl11g_688128_66 oracle 4884 oracle mem REG 0,16 4194304 30713 /dev/shm/ora_orcl11g_688128_67 oracle 4884 oracle mem REG 0,16 4194304 30714 /dev/shm/ora_orcl11g_688128_68 oracle 4884 oracle mem REG 0,16 4194304 30715 /dev/shm/ora_orcl11g_688128_69 oracle 4884 oracle mem REG 0,16 4194304 30716 /dev/shm/ora_orcl11g_688128_70 oracle 4884 oracle mem REG 0,16 4194304 30717 /dev/shm/ora_orcl11g_688128_71 oracle 4884 oracle mem REG 0,16 4194304 30718 /dev/shm/ora_orcl11g_688128_72 oracle 4884 oracle mem REG 0,16 4194304 30719 /dev/shm/ora_orcl11g_688128_73 oracle 4884 oracle mem REG 0,16 4194304 30720 /dev/shm/ora_orcl11g_688128_74 oracle 4884 oracle mem REG 0,16 4194304 30721 /dev/shm/ora_orcl11g_688128_75 oracle 4884 oracle mem REG 0,16 4194304 30722 /dev/shm/ora_orcl11g_688128_76 oracle 4884 oracle mem REG 0,16 4194304 30723 /dev/shm/ora_orcl11g_688128_77 oracle 4884 oracle mem REG 0,16 4194304 30724 /dev/shm/ora_orcl11g_688128_78 oracle 4884 oracle mem REG 0,16 4194304 30725 /dev/shm/ora_orcl11g_688128_79 oracle 4884 oracle mem REG 0,16 4194304 30726 /dev/shm/ora_orcl11g_688128_80 oracle 4884 oracle mem REG 0,16 4194304 30727 /dev/shm/ora_orcl11g_688128_81 oracle 4884 oracle mem REG 0,16 4194304 30728 /dev/shm/ora_orcl11g_688128_82 oracle 4884 oracle mem REG 0,16 4194304 30729 /dev/shm/ora_orcl11g_688128_83 oracle 4884 oracle mem REG 0,16 4194304 30730 /dev/shm/ora_orcl11g_688128_84 oracle 4884 oracle mem REG 0,16 4194304 30731 /dev/shm/ora_orcl11g_688128_85 oracle 4884 oracle mem REG 0,16 4194304 30732 /dev/shm/ora_orcl11g_688128_86 oracle 4884 oracle mem REG 0,16 4194304 30733 /dev/shm/ora_orcl11g_688128_87 oracle 4884 oracle mem REG 0,16 4194304 30734 /dev/shm/ora_orcl11g_688128_88 oracle 4884 oracle mem REG 0,16 4194304 30735 /dev/shm/ora_orcl11g_688128_89 oracle 4884 oracle mem REG 0,16 4194304 30736 /dev/shm/ora_orcl11g_688128_90 oracle 4884 oracle mem REG 0,16 4194304 30737 /dev/shm/ora_orcl11g_688128_91 oracle 4884 oracle mem REG 0,16 4194304 30738 /dev/shm/ora_orcl11g_688128_92 oracle 4884 oracle mem REG 0,16 4194304 30739 /dev/shm/ora_orcl11g_688128_93 oracle 4884 oracle mem REG 0,16 4194304 30740 /dev/shm/ora_orcl11g_688128_94 oracle 4884 oracle mem REG 0,16 4194304 30741 /dev/shm/ora_orcl11g_688128_95 oracle 4884 oracle mem REG 0,16 4194304 30742 /dev/shm/ora_orcl11g_688128_96 oracle 4884 oracle mem REG 0,16 4194304 30743 /dev/shm/ora_orcl11g_688128_97 oracle 4884 oracle mem REG 0,16 4194304 30744 /dev/shm/ora_orcl11g_688128_98 oracle 4884 oracle mem REG 0,16 4194304 30745 /dev/shm/ora_orcl11g_688128_99 oracle 4884 oracle mem REG 0,16 4194304 30746 /dev/shm/ora_orcl11g_688128_100 oracle 4884 oracle mem REG 253,0 156872 917907 /lib64/ld-2.12.so oracle 4884 oracle mem REG 253,0 5624 917738 /lib64/libaio.so.1.0.1 oracle 4884 oracle mem REG 253,0 1918016 917908 /lib64/libc-2.12.so oracle 4884 oracle mem REG 253,0 145720 917913 /lib64/libpthread-2.12.so oracle 4884 oracle mem REG 253,0 598800 917909 /lib64/libm-2.12.so oracle 4884 oracle mem REG 253,0 47064 917920 /lib64/librt-2.12.so oracle 4884 oracle mem REG 253,0 116368 917655 /lib64/libnsl-2.12.so oracle 4884 oracle mem CHR 1,5 3645 /dev/zero oracle 4884 oracle mem REG 253,0 65928 917534 /lib64/libnss_files-2.12.so oracle 4884 oracle mem REG 253,0 22536 917915 /lib64/libdl-2.12.so oracle 4884 oracle mem REG 253,0 703495 1326729 /opt/oracle/products/11.2.0/lib/libasmclnt11.so oracle 4884 oracle mem REG 253,0 150756 1326374 /opt/oracle/products/11.2.0/lib/libocrutl11.so oracle 4884 oracle mem REG 253,0 3217927 1326373 /opt/oracle/products/11.2.0/lib/libocrb11.so oracle 4884 oracle mem REG 253,0 1493029 1326372 /opt/oracle/products/11.2.0/lib/libocr11.so oracle 4884 oracle mem REG 253,0 12771 1314370 /opt/oracle/products/11.2.0/lib/libskgxn2.so oracle 4884 oracle mem REG 253,0 12820762 1326340 /opt/oracle/products/11.2.0/lib/libhasgen11.so oracle 4884 oracle mem REG 253,0 162324 1314137 /opt/oracle/products/11.2.0/lib/libdbcfg11.so oracle 4884 oracle mem REG 253,0 190634 1326342 /opt/oracle/products/11.2.0/lib/libclsra11.so oracle 4884 oracle mem REG 253,0 7899997 1326546 /opt/oracle/products/11.2.0/lib/libnnz11.so oracle 4884 oracle mem REG 253,0 1544 1327995 /opt/oracle/products/11.2.0/dbs/hc_orcl11g.dat oracle 4884 oracle mem REG 253,0 851253 1313055 /opt/oracle/products/11.2.0/lib/libskgxp11.so oracle 4884 oracle mem REG 253,0 460569 1326728 /opt/oracle/products/11.2.0/lib/libcell11.so oracle 4884 oracle mem REG 253,0 12331 1311958 /opt/oracle/products/11.2.0/lib/libodmd11.so oracle 4884 oracle 0r CHR 1,3 0t0 3643 /dev/null oracle 4884 oracle 1w CHR 1,3 0t0 3643 /dev/null oracle 4884 oracle 2w CHR 1,3 0t0 3643 /dev/null oracle 4884 oracle 3w REG 253,0 765 1716105 /opt/oracle/products/11.2.0/rdbms/log/orcl11g_ora_4820.trc oracle 4884 oracle 4r CHR 1,3 0t0 3643 /dev/null oracle 4884 oracle 5r CHR 1,3 0t0 3643 /dev/null oracle 4884 oracle 6r CHR 1,3 0t0 3643 /dev/null oracle 4884 oracle 7u REG 253,0 1544 1327995 /opt/oracle/products/11.2.0/dbs/hc_orcl11g.dat oracle 4884 oracle 8u REG 253,0 0 1327994 /opt/oracle/products/11.2.0/dbs/lkinstorcl11g (deleted) oracle 4884 oracle 9r DIR 0,3 0 30896 /proc/4884/fd oracle 4884 oracle 10w REG 253,0 14367 1977638 /opt/oracle/diag/rdbms/orcl11g/orcl11g/trace/orcl11g_ora_4820.trc oracle 4884 oracle 11w REG 253,0 258 1977639 /opt/oracle/diag/rdbms/orcl11g/orcl11g/trace/orcl11g_ora_4820.trm oracle 4884 oracle 12r REG 253,0 1074176 1715159 /opt/oracle/products/11.2.0/rdbms/mesg/oraus.msb oracle 4884 oracle 13r CHR 1,5 0t0 3645 /dev/zero oracle 4884 oracle 14r DIR 0,3 0 30896 /proc/4884/fd oracle 4884 oracle 15r CHR 1,5 0t0 3645 /dev/zero oracle 4884 oracle 16u REG 253,0 1544 1327995 /opt/oracle/products/11.2.0/dbs/hc_orcl11g.dat oracle 4884 oracle 17uR REG 253,0 24 1327997 /opt/oracle/products/11.2.0/dbs/lkORCL11G oracle 4884 oracle 18u REG 253,0 15843328 1967839 /opt/oracle/oradata/orcl11g/control01.ctl oracle 4884 oracle 19u REG 253,0 15843328 1967840 /opt/oracle/flash_recovery_area/orcl11g/control02.ctl oracle 4884 oracle 20uW REG 253,0 734011392 1967874 /opt/oracle/oradata/orcl11g/system01.dbf oracle 4884 oracle 21uW REG 253,0 545267712 1967875 /opt/oracle/oradata/orcl11g/sysaux01.dbf oracle 4884 oracle 22uW REG 253,0 68165632 1967883 /opt/oracle/oradata/orcl11g/undotbs01.dbf oracle 4884 oracle 23uW REG 253,0 57679872 1967884 /opt/oracle/oradata/orcl11g/users01.dbf oracle 4884 oracle 24uW REG 253,0 838868992 1977635 /opt/oracle/oradata/orcl11g/zbdba.dbf oracle 4884 oracle 25uW REG 253,0 104865792 1977252 /opt/oracle/oradata/orcl11g/zbdba01.dbf (deleted) oracle 4884 oracle 26uW REG 253,0 125837312 1967879 /opt/oracle/oradata/orcl11g/test.dbf oracle 4884 oracle 27uW REG 253,0 1056768 1967890 /opt/oracle/oradata/orcl11g/test_size.dbf oracle 4884 oracle 28uW REG 253,0 2105344 1967891 /opt/oracle/oradata/orcl11g/test_size2.dbf oracle 4884 oracle 29uW REG 253,0 104865792 1968637 /opt/oracle/oradata/orcl11g/undotb02.dbf oracle 4884 oracle 30uW REG 253,0 104865792 1968177 /opt/oracle/oradata/orcl11g/temp.dbf oracle 4884 oracle 31r REG 253,0 1074176 1715159 /opt/oracle/products/11.2.0/rdbms/mesg/oraus.msb [root@ogg1 ~]# ls -ltar /proc/4884/fd total 0 dr-xr-xr-x 7 oracle oinstall 0 Nov 2 22:31 .. dr-x------ 2 oracle oinstall 0 Nov 2 22:31 . lr-x------ 1 oracle oinstall 64 Nov 2 22:33 9 -> /proc/4884/fd lrwx------ 1 oracle oinstall 64 Nov 2 22:33 8 -> /opt/oracle/products/11.2.0/dbs/lkinstorcl11g (deleted) lrwx------ 1 oracle oinstall 64 Nov 2 22:33 7 -> /opt/oracle/products/11.2.0/dbs/hc_orcl11g.dat lr-x------ 1 oracle oinstall 64 Nov 2 22:33 6 -> /dev/null lr-x------ 1 oracle oinstall 64 Nov 2 22:33 5 -> /dev/null lr-x------ 1 oracle oinstall 64 Nov 2 22:33 4 -> /dev/null lr-x------ 1 oracle oinstall 64 Nov 2 22:33 31 -> /opt/oracle/products/11.2.0/rdbms/mesg/oraus.msb lrwx------ 1 oracle oinstall 64 Nov 2 22:33 30 -> /opt/oracle/oradata/orcl11g/temp.dbf l-wx------ 1 oracle oinstall 64 Nov 2 22:33 3 -> /opt/oracle/products/11.2.0/rdbms/log/orcl11g_ora_4820.trc lrwx------ 1 oracle oinstall 64 Nov 2 22:33 29 -> /opt/oracle/oradata/orcl11g/undotb02.dbf lrwx------ 1 oracle oinstall 64 Nov 2 22:33 28 -> /opt/oracle/oradata/orcl11g/test_size2.dbf lrwx------ 1 oracle oinstall 64 Nov 2 22:33 27 -> /opt/oracle/oradata/orcl11g/test_size.dbf lrwx------ 1 oracle oinstall 64 Nov 2 22:33 26 -> /opt/oracle/oradata/orcl11g/test.dbf lrwx------ 1 oracle oinstall 64 Nov 2 22:33 25 -> /opt/oracle/oradata/orcl11g/zbdba01.dbf (deleted) lrwx------ 1 oracle oinstall 64 Nov 2 22:33 24 -> /opt/oracle/oradata/orcl11g/zbdba.dbf lrwx------ 1 oracle oinstall 64 Nov 2 22:33 23 -> /opt/oracle/oradata/orcl11g/users01.dbf lrwx------ 1 oracle oinstall 64 Nov 2 22:33 22 -> /opt/oracle/oradata/orcl11g/undotbs01.dbf lrwx------ 1 oracle oinstall 64 Nov 2 22:33 21 -> /opt/oracle/oradata/orcl11g/sysaux01.dbf lrwx------ 1 oracle oinstall 64 Nov 2 22:33 20 -> /opt/oracle/oradata/orcl11g/system01.dbf l-wx------ 1 oracle oinstall 64 Nov 2 22:33 2 -> /dev/null lrwx------ 1 oracle oinstall 64 Nov 2 22:33 19 -> /opt/oracle/flash_recovery_area/orcl11g/control02.ctl lrwx------ 1 oracle oinstall 64 Nov 2 22:33 18 -> /opt/oracle/oradata/orcl11g/control01.ctl lrwx------ 1 oracle oinstall 64 Nov 2 22:33 17 -> /opt/oracle/products/11.2.0/dbs/lkORCL11G lrwx------ 1 oracle oinstall 64 Nov 2 22:33 16 -> /opt/oracle/products/11.2.0/dbs/hc_orcl11g.dat lr-x------ 1 oracle oinstall 64 Nov 2 22:33 15 -> /dev/zero lr-x------ 1 oracle oinstall 64 Nov 2 22:33 14 -> /proc/4884/fd lr-x------ 1 oracle oinstall 64 Nov 2 22:33 13 -> /dev/zero lr-x------ 1 oracle oinstall 64 Nov 2 22:33 12 -> /opt/oracle/products/11.2.0/rdbms/mesg/oraus.msb l-wx------ 1 oracle oinstall 64 Nov 2 22:33 11 -> /opt/oracle/diag/rdbms/orcl11g/orcl11g/trace/orcl11g_ora_4820.trm l-wx------ 1 oracle oinstall 64 Nov 2 22:33 10 -> /opt/oracle/diag/rdbms/orcl11g/orcl11g/trace/orcl11g_ora_4820.trc l-wx------ 1 oracle oinstall 64 Nov 2 22:33 1 -> /dev/null lr-x------ 1 oracle oinstall 64 Nov 2 22:33 0 -> /dev/null [root@ogg1 ~]# cd /proc/4884/fd [root@ogg1 fd]# cat 25 > /opt/oracle/oradata/orcl11g/zbdba01.dbf [root@ogg1 fd]# cd //opt/oracle/oradata/orcl11g/ [root@ogg1 orcl11g]# ls -lrt total 2895908 -rw-r--r-- 1 oracle oinstall 405512 Oct 25 22:21 file.out -rw-r----- 1 oracle oinstall 25174016 Oct 27 02:04 temp01.dbf -rw-r----- 1 oracle oinstall 68165632 Oct 30 02:19 undo.dbf -rw-r----- 1 oracle oinstall 104865792 Nov 2 20:37 temp.dbf -rw-r----- 1 oracle oinstall 52429312 Nov 2 22:31 redo01.log -rw-r----- 1 oracle oinstall 52429312 Nov 2 22:31 redo02.log -rw-r----- 1 oracle oinstall 68165632 Nov 2 22:31 undotbs01.dbf -rw-r----- 1 oracle oinstall 57679872 Nov 2 22:31 users01.dbf -rw-r----- 1 oracle oinstall 838868992 Nov 2 22:31 zbdba.dbf -rw-r----- 1 oracle oinstall 125837312 Nov 2 22:31 test.dbf -rw-r----- 1 oracle oinstall 1056768 Nov 2 22:31 test_size.dbf -rw-r----- 1 oracle oinstall 2105344 Nov 2 22:31 test_size2.dbf -rw-r----- 1 oracle oinstall 104865792 Nov 2 22:31 1103.dbf -rw-r----- 1 oracle oinstall 545267712 Nov 2 22:41 sysaux01.dbf -rw-r----- 1 oracle oinstall 104865792 Nov 2 22:42 undotb02.dbf -rw-r----- 1 oracle oinstall 734011392 Nov 2 22:42 system01.dbf -rw-r----- 1 oracle oinstall 52429312 Nov 2 22:47 redo03.log -rw-r--r-- 1 root root 104865792 Nov 2 22:47 zbdba01.dbf -rw-r----- 1 oracle oinstall 15843328 Nov 2 22:48 control01.ctl [root@ogg1 orcl11g]# [root@ogg1 orcl11g]# chown -R oracle.oinstall zbdba01.dbf [root@ogg1 orcl11g]# ls -lrt total 2895908 -rw-r--r-- 1 oracle oinstall 405512 Oct 25 22:21 file.out -rw-r----- 1 oracle oinstall 25174016 Oct 27 02:04 temp01.dbf -rw-r----- 1 oracle oinstall 68165632 Oct 30 02:19 undo.dbf -rw-r----- 1 oracle oinstall 104865792 Nov 2 20:37 temp.dbf -rw-r----- 1 oracle oinstall 52429312 Nov 2 22:31 redo01.log -rw-r----- 1 oracle oinstall 52429312 Nov 2 22:31 redo02.log -rw-r----- 1 oracle oinstall 104865792 Nov 2 22:31 1103.dbf -rw-r--r-- 1 oracle oinstall 104865792 Nov 2 22:47 zbdba01.dbf -rw-r----- 1 oracle oinstall 52429312 Nov 2 22:48 redo03.log -rw-r----- 1 oracle oinstall 734011392 Nov 2 22:48 system01.dbf -rw-r----- 1 oracle oinstall 545267712 Nov 2 22:48 sysaux01.dbf -rw-r----- 1 oracle oinstall 68165632 Nov 2 22:48 undotbs01.dbf -rw-r----- 1 oracle oinstall 57679872 Nov 2 22:48 users01.dbf -rw-r----- 1 oracle oinstall 838868992 Nov 2 22:48 zbdba.dbf -rw-r----- 1 oracle oinstall 125837312 Nov 2 22:48 test.dbf -rw-r----- 1 oracle oinstall 1056768 Nov 2 22:48 test_size.dbf -rw-r----- 1 oracle oinstall 2105344 Nov 2 22:48 test_size2.dbf -rw-r----- 1 oracle oinstall 104865792 Nov 2 22:48 undotb02.dbf -rw-r----- 1 oracle oinstall 15843328 Nov 2 22:49 control01.ctl SYS@orcl11g>startup ORACLE instance started. Total System Global Area 417546240 bytes Fixed Size 2213936 bytes Variable Size 327157712 bytes Database Buffers 83886080 bytes Redo Buffers 4288512 bytes Database mounted. ORA-01113: file 6 needs media recovery ORA-01110: data file 6: '/opt/oracle/oradata/orcl11g/zbdba01.dbf' SYS@orcl11g>recover datafile 6; Media recovery complete. SYS@orcl11g>alter database open; Database altered. ZBDBA@orcl11g>select file_name,status from dba_data_files; FILE_NAME STATUS ------------------------------------------------------------ ------------------------------------------------------------ /opt/oracle/oradata/orcl11g/undotbs01.dbf AVAILABLE /opt/oracle/oradata/orcl11g/zbdba.dbf AVAILABLE /opt/oracle/oradata/orcl11g/zbdba01.dbf AVAILABLE /opt/oracle/oradata/orcl11g/users01.dbf AVAILABLE /opt/oracle/oradata/orcl11g/test.dbf AVAILABLE /opt/oracle/oradata/orcl11g/sysaux01.dbf AVAILABLE /opt/oracle/oradata/orcl11g/system01.dbf AVAILABLE /opt/oracle/oradata/orcl11g/test_size.dbf AVAILABLE /opt/oracle/oradata/orcl11g/test_size2.dbf AVAILABLE /opt/oracle/oradata/orcl11g/undotb02.dbf AVAILABLE
SYS@orcl11g>conn zbdba/oracle; Connected. ZBDBA@orcl11g>select * from zbdba; NAME ------------------------------------------------------------ zbdba huihui
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