Emergency: cannot start database because redo logs have been deleted

Hi. Ok, so the redo logs are deleted and I don't have a backup. Fine, whatever. I am trying to just start my database and start the logging from scratch.
ORA-00320: cannot read file header from log 1 of thread 1
ORA-00312: online log 1 thread 1: '/u01/oradata/orcl/redo01.log'
ORA-27069: attempt to do I/O beyond the range of the file
Here's what my log files look like:
select group#, thread#, status from v$log;
GROUP# THREAD# STATUS
1 1 ACTIVE
4 1 UNUSED
3 1 UNUSED
2 1 CURRENT
I have group 3 and 4 just sitting there. I would love to switch logging from group 1 to group 4 (which I just created) so I can drop the corrupted group 1 but when I try:
SQL> alter system switch logfile;
alter system switch logfile
ERROR at line 1:
ORA-01109: database not open
Of course the database is not open because I can't get it started. So, I'm in kind of a catch 22.

I think you need to restore your database. http://download.oracle.com/docs/cd/E11882_01/backup.112/e10642/osadvsce.htm#CACFFJFB says:
>
Losing an Active Online Redo Log Group
If the database is still running and the lost active redo log is not the current log, then issue the ALTER SYSTEM CHECKPOINT statement. If the operation is successful, then the active redo log becomes inactive, and you can follow the procedure in "Losing an Inactive Online Redo Log Group". If the operation is unsuccessful, or if your database has halted, then perform one of procedures in this section, depending on the archiving mode.
The current log is the one LGWR is currently writing to. If a LGWR I/O operation fails, then LGWR terminates and the instance fails. In this case, you must restore a backup, perform incomplete recovery, and open the database with the RESETLOGS option.

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Hi Experts,
I am not able to perform 'Whole database offline + redo log backup' by DB13.
I have recently configured my 'init<SID>.sap' to take 'Whole database online + redo log backup' and its working perfectly fine.
I tried taking test backup for 'Whole database offline + redo log backup' but it didn't even started.
Thus I created another profile with name init<SID>back.sap and changed the Parameter
from 'backup_type = online' to 'backup_type = offline' and also tried by 'backup_type = offline_force'
rest all parameters being same as the profile init<SID>.sap
Kindly Suggest as I need to take set the backup Strategy as Mon-Fri -> 'Whole database offline + redo log backup' and Sat -> 'Whole database offline + redo log backup'
One more Query : While taking the redo log backup by DB13 why is it that some times it only saves the Files and some time it
saves and delete the files from the '/oracle/<SID>/oraarch' location. Please throw some light over this matter also.
Thanks,
Jitesh

Hi Mr Bhavik,
Thanks for your reply.. Here are the details you have asked for.
1.My SAP BASIS Patch Level is : 10. ( We shall be updating it by the end of this Year)
2. Br*tools version is :
BRTOOLS   7.00 (11)
kernel release    700
patch level   11
3. I don't have any file with name alert<dbsid>.log file (located at /oracle/<SID>/saptrace/background/) but i do have alert_<SID>.log
I execute the command more -p G alert_JMD.log
after my 'Whole database offline + redo log backup' again failed at DB13 but I was not able to see any specific complains while executing the above action.
I got the Error Detailed Log in DB13 as :
Detail log:                    beeneedv.aft
BR0051I BRBACKUP 7.00 (20)
BR0055I Start of database backup: beeneedv.aft 2010-11-08 13.16.43
BR0484I BRBACKUP log file: /oracle/JMD/sapbackup/beeneedv.aft
BR0280I BRBACKUP time stamp: 2010-11-08 13.16.43
BR0261E BRBACKUP cancelled by signal 13
BR0056I End of database backup: beeneedv.aft 2010-11-08 13.16.44
BR0280I BRBACKUP time stamp: 2010-11-08 13.16.45
BR0054I BRBACKUP terminated with errors
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5. Query : select grantee, granted_role from dba_role_privs;
result :
SQL> select grantee, granted_role from dba_role_privs;
GRANTEE                        GRANTED_ROLE
SYS                            SAPDBA
SYS                            EXP_FULL_DATABASE
SYS                            CONNECT
IMP_FULL_DATABASE              SELECT_CATALOG_ROLE
DBSNMP                         OEM_MONITOR
SAPSR3                         CONNECT
OPS$SAPSERVICEJMD              SAPDBA
SYS                            SELECT_CATALOG_ROLE
DBA                            DELETE_CATALOG_ROLE
DBA                            EXECUTE_CATALOG_ROLE
SYSTEM                         DBA
GRANTEE                        GRANTED_ROLE
OPS$ORAJMD                     SAPDBA
SAPDBA                         GATHER_SYSTEM_STATISTICS
SYS                            SCHEDULER_ADMIN
SYS                            AQ_USER_ROLE
SYS                            GATHER_SYSTEM_STATISTICS
SYS                            DELETE_CATALOG_ROLE
DBA                            GATHER_SYSTEM_STATISTICS
DBA                            IMP_FULL_DATABASE
EXECUTE_CATALOG_ROLE           HS_ADMIN_ROLE
IMP_FULL_DATABASE              EXECUTE_CATALOG_ROLE
OPS$JMDADM                     CONNECT
GRANTEE                        GRANTED_ROLE
SYS                            LOGSTDBY_ADMINISTRATOR
SYS                            EXECUTE_CATALOG_ROLE
SYS                            RESOURCE
DBA                            SCHEDULER_ADMIN
DBA                            SELECT_CATALOG_ROLE
EXP_FULL_DATABASE              EXECUTE_CATALOG_ROLE
SAPDBA                         SELECT_CATALOG_ROLE
SYS                            SAPCONN
SYS                            OEM_ADVISOR
SYS                            IMP_FULL_DATABASE
SELECT_CATALOG_ROLE            HS_ADMIN_ROLE
GRANTEE                        GRANTED_ROLE
OUTLN                          RESOURCE
LOGSTDBY_ADMINISTRATOR         RESOURCE
SAPSR3                         RESOURCE
OPS$SAPSERVICEJMD              RESOURCE
SYS                            RECOVERY_CATALOG_OWNER
DBA                            EXP_FULL_DATABASE
EXP_FULL_DATABASE              SELECT_CATALOG_ROLE
TSMSYS                         RESOURCE
OPS$ORAJMD                     RESOURCE
SAPCONN                        SELECT_CATALOG_ROLE
SYS                            OEM_MONITOR
GRANTEE                        GRANTED_ROLE
SYS                            AQ_ADMINISTRATOR_ROLE
SYS                            DBA
SYSTEM                         AQ_ADMINISTRATOR_ROLE
OPS$ORAJMD                     CONNECT
OPS$JMDADM                     SAPDBA
OPS$JMDADM                     RESOURCE
SAPSR3                         SAPCONN
SYS                            HS_ADMIN_ROLE
SYSTEM                         SAPDBA
OPS$SAPSERVICEJMD              CONNECT

Whole database offline + redo log backup Scheduling failed

Hi Experts,
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How to solve this.

Hi,
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BR0120I Control files
File                                                Size   Id.      Device Link    Type
/oracle/PRD/origlogA/cntrl/cntlrPRD.dbf         13975552    0      5578783 NOLINK FILE
/oracle/PRD/origlogB/cntrl/cntrlPRD.dbf         13975552    0      5578784 NOLINK FILE
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Yes, and that is the default structure to which I was referring. iTunes will organize it that way automatically unless people do start changing settings (in which case they should know what they are doing and how iTunes works with library files and media structure.)
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Hi, everyone:
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Hello all,
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Whole database online + redo log backup
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Thanks,
Anne

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Dear Marcus Sir,
I am facing while taking "Whole Database Online+Redo log Backup" through DB13 T-Code.
Below is the "Problem part of the Backup log", however if you need I will send you full log.
Hope you will find out problem soon
#FILE..... /oracle/ANP/sapdata2/sr3_8/sr3.data8
#SAVED.... sr3.data8 ANPB260810/12
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BR0001I *******___________________________________________
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462+0 records out
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BR0054I BRBACKUP terminated with errors
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Hi,
since you are getting a read error, it might as well be, that your datafile is defective.
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When try-ing to view the Orgchart, in the Orgchart Console I get the following message "Cannot find the root of your orgchart. The orgchart box may have been deleted or incorrectly specified."
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