Recover from hotbackup without archivelog-for help

Question

Because user error, three tables are deleted on may 1,2007. so, I restore db datafiles from tape, which is hot backup on apri 21,2007.
Copy the datafiles to other os,and recover.
But, the archivelog required is lost.as follows:
$ sqlplus "/ as sysdba"
SQL*Plus: Release 8.1.7.0.0 - Production on Fri Jun 15 09:54:50 2007
(c) Copyright 2000 Oracle Corporation. All rights reserved.
Connected to an idle instance.
SQL> startup mount
ORACLE instance started.
Total System Global Area 79408828 bytes
Fixed Size 102076 bytes
Variable Size 22364160 bytes
Database Buffers 56762368 bytes
Redo Buffers 180224 bytes
Database mounted.
SQL> select to_char(checkpoint_change#) from v$database;
TO_CHAR(CHECKPOINT_CHANGE#)
9216842117529
SQL> select file#,to_char(checkpoint_change#) from v$datafile_header;
FILE# TO_CHAR(CHECKPOINT_CHANGE#)
1 9216842117530
2 9216842117572
3 9216843490042
4 9216843490496
5 9216843490502
6 9216843490513
7 9216843490525
8 9216842117536
9 9216842117548
10 9216843490536
10 rows selected.
SQL> show parameter _all
NAME TYPE VALUE
allowresetlogs_corruption boolean TRUE
fast_start_parallel_rollback string LOW
optimizer_percent_parallel integer 0
parallel_adaptive_multi_user boolean FALSE
parallel_automatic_tuning boolean FALSE
parallel_broadcast_enabled boolean FALSE
parallel_execution_message_size integer 2152
parallel_instance_group string
parallel_max_servers integer 5
parallel_min_percent integer 0
parallel_min_servers integer 0
NAME TYPE VALUE
parallel_server boolean FALSE
parallel_server_instances integer 1
parallel_threads_per_cpu integer 2
recovery_parallelism integer 0
SQL> alter session set events '10015 trace name adjust_scn level 10';
Session altered.
SQL> recover database using backup controlfile until cancel;
ORA-00279: change 9216842117530 generated at 04/21/2007 05:42:05 needed for
thread 1
ORA-00289: suggestion : /home/newdb/newdb_arch/arch_1_12320.arc
ORA-00280: change 9216842117530 for thread 1 is in sequence #12320
Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
CANCEL
ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below
ORA-01195: online backup of file 1 needs more recovery to be consistent
ORA-01110: data file 1: '/disk1/oradata/orcl/system01.dbf'
ORA-01112: media recovery not started
SQL> alter database open resetlogs;
alter database open resetlogs
ERROR at line 1:
ORA-01092: ORACLE instance terminated. Disconnection forced
Alert_orcl.log as follows:
SMON: enabling cache recovery
Fri Jun 15 11:10:23 2007
Errors in file /home/newdb/admin/orcl/udump/orcl_ora_20312.trc:
ORA-00600: internal error code, arguments: [2662], [2145], [4137307620], [2145], [4138639964], [12582914], [], []
Fri Jun 15 11:10:23 2007
ARC0: Completed archiving log# 1 seq# 2
Fri Jun 15 11:10:24 2007
Errors in file /home/newdb/admin/orcl/udump/orcl_ora_20312.trc:
ORA-00600: internal error code, arguments: [2662], [2145], [4137307620], [2145], [4138639964], [12582914], [], []
Fri Jun 15 11:10:24 2007
Error 600 happened during db open, shutting down database
USER: terminating instance due to error 600
Instance terminated by USER, pid = 20312
ORA-1092 signalled during: alter database open.
Can you give some suggestion?

Answer 1

I have used hidden parameter:_allow_resetlogs_corruption.but,it is not usefull.
the datafiles have been consistent.
i have used command as follows:
alter session set events '10015 trace name adjust_scn level 10';
why not can open the db?
Message was edited by:
[email protected]