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How to use bbed (bbed and od together) to get a file id Complete the repair of missing data file su-oraclecd $ORACLE_HOME/rdbms/libmake-f ins_rdbms.mk $ORACLE_HOME/rdbms/lib/bbed find the fd1 of the corresponding file. [root@11g ~] # ps-ef | grep dbworacle 3257 10 03:57? 00:00:00 ora_dbw0_orclroot 3723 3709 0 06:44 pts/0 00:00:00 grep dbw2. [root@11g ~] # lsof-p 3257...oracle 3257 oracle 258uW REG 8 oracle 259uW REG 3 734011392 789836 / oracle/app/oradata/orcl/system01.dbforacle 3257 oracle 259uW REG 8 oracle 259uW REG 3 629153792 789839 / oracle/app/oradata/orcl/sysaux01.dbforacle 3257 oracle 260uW REG 8 oracle 260uW REG 3 209723392 789840 / oracle/app/oradata/orcl/undotbs01.dbforacle 3257 oracle 261uW REG 8people 3 5251072 789932 / oracle/app/oradata/orcl/users03.dbforacle 3257 oracle 262uW REG 8 people 320979712789841 / oracle/app/oradata/orcl/temp01.dbf...3. [root@11g] # cd / proc/3257/fd/2584.bbed (password is blockedit) BBED > set filename'/ proc/3257/fd/258' FILENAME / proc/3257/fd/258BBED > set blocksize 8192 BLOCKSIZE 8192BBED > p kcvfh.kcvfhrfnub4 kcvfhrfn @ 368 0x000000014. (od-j-t x1 | head-1) [root@11g fd] # od-j 8560-t d2 258 | head-10020560 10000 00 file# [root@11g fd] # od-j 8560-t d2260 | head-1 0020560 3000 0 file#

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