Home » RDBMS Server » Server Administration » Unable to startup database :ORA-38760: This database instance failed to turn on flashback database (oracle 10g)
Unable to startup database :ORA-38760: This database instance failed to turn on flashback database [message #336919] Tue, 29 July 2008 06:30 Go to next message
zafiq
Messages: 9
Registered: July 2008
Location: malaysia
Junior Member
Dear All,

Please help me..

I can't open my database..

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Starting ORACLE instance (normal)
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
Picked latch-free SCN scheme 3
Autotune of undo retention is turned on.
IMODE=BR
ILAT =36
LICENSE_MAX_USERS = 0
SYS auditing is disabled
ksdpec: called for event 13740 prior to event group initialization
Starting up ORACLE RDBMS Version: 10.2.0.1.0.
System parameters with non-default values:
processes = 300
sessions = 335
__shared_pool_size = 637534208
__large_pool_size = 16777216
__java_pool_size = 16777216
__streams_pool_size = 0
sga_target = 14797504512
control_files = /oradata1/agprod/control01.ctl, /oradata2/agprod/control02.ctl, /oradata3/agprod/control03.ctl
control_file_record_keep_time= 14
db_block_size = 8192
__db_cache_size = 14109638656
compatible = 10.2.0.1.0
log_archive_dest_1 = LOCATION=/DBarchive/agprod/arch
log_archive_format = %t_%s_%r.dbf
db_file_multiblock_read_count= 16
db_recovery_file_dest = /DBarchive/flash_recovery_area
db_recovery_file_dest_size= 59055800320
db_flashback_retention_target= 0
undo_management = AUTO
undo_tablespace = UNDOTBS1
_kgl_large_heap_warning_threshold= 8388608
remote_login_passwordfile= EXCLUSIVE
db_domain =
dispatchers = (PROTOCOL=TCP) (SERVICE=agprodXDB)
job_queue_processes = 10
background_dump_dest = /oracle/admin/agprod/bdump
user_dump_dest = /oracle/admin/agprod/udump
core_dump_dest = /oracle/admin/agprod/cdump
audit_file_dest = /oracle/admin/agprod/adump
db_name = agprod
open_cursors = 300
pga_aggregate_target = 526385152
PMON started with pid=2, OS id=377066
PSP0 started with pid=3, OS id=372738
MMAN started with pid=4, OS id=344284
DBW0 started with pid=5, OS id=340170
LGWR started with pid=6, OS id=336066
CKPT started with pid=7, OS id=331954
SMON started with pid=8, OS id=303326
RECO started with pid=9, OS id=315422
CJQ0 started with pid=10, OS id=381154
MMON started with pid=11, OS id=217300
Tue Jul 29 19:09:58 2008
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
MMNL started with pid=12, OS id=274624
Tue Jul 29 19:09:58 2008
starting up 1 shared server(s) ...
Tue Jul 29 19:09:58 2008
ALTER DATABASE MOUNT
Tue Jul 29 19:10:02 2008
Setting recovery target incarnation to 2
Tue Jul 29 19:10:02 2008
Successful mount of redo thread 1, with mount id 1905766406
Tue Jul 29 19:10:02 2008
Allocated 15937344 bytes in shared pool for flashback generation buffer
Starting background process RVWR
RVWR started with pid=16, OS id=401420
Tue Jul 29 19:10:02 2008
Errors in file /oracle/admin/agprod/udump/agprod_ora_409616.trc:
ORA-38701: Flashback database log 402 seq 402 thread 1: "/DBarchive/flash_recovery_area/AGPROD/flashback/o1_mf_47cqbhb5_.flb"
ORA-27037: unable to obtain file status
IBM AIX RISC System/6000 Error: 2: No such file or directory
Additional information: 3
Tue Jul 29 19:10:02 2008
Database mounted in Exclusive Mode
Completed: ALTER DATABASE MOUNT

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336928 is a reply to message #336919] Tue, 29 July 2008 06:55 Go to previous messageGo to next message
Arju
Messages: 1554
Registered: June 2007
Location: Dhaka,Bangladesh. Mobile:...
Senior Member
Well known oracle bug. If flashback enabled and you delete logs manually then instance crashes. To able to start your database disable flashback.


startup mount;
alter database flashback off;
alter database flashback on;
alter database open;

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336935 is a reply to message #336928] Tue, 29 July 2008 07:17 Go to previous messageGo to next message
zafiq
Messages: 9
Registered: July 2008
Location: malaysia
Junior Member
Dear Arju,

Below is the output.

SQL> startup mount;
ORACLE instance started.

Total System Global Area 1.4798E+10 bytes
Fixed Size 2046472 bytes
Variable Size 671090168 bytes
Database Buffers 1.4110E+10 bytes
Redo Buffers 14729216 bytes
Database mounted.
SQL> alter database flashback off;

Database altered.

SQL> alter database flashback on;
alter database flashback on
*
ERROR at line 1:
ORA-38760: This database instance failed to turn on flashback database


SQL>

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336936 is a reply to message #336919] Tue, 29 July 2008 07:20 Go to previous messageGo to next message
Arju
Messages: 1554
Registered: June 2007
Location: Dhaka,Bangladesh. Mobile:...
Senior Member
Check the flash recovery area. I guess oracle can't find flash recovery area. Set it to proper location and then turn on flashback. For details see alert log.

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336937 is a reply to message #336919] Tue, 29 July 2008 07:23 Go to previous messageGo to next message
Arju
Messages: 1554
Registered: June 2007
Location: Dhaka,Bangladesh. Mobile:...
Senior Member
By the way after turning off flashback try to open the database. If you want to make on flashback shutdown database and again try to turn off flashback.

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336938 is a reply to message #336919] Tue, 29 July 2008 07:23 Go to previous messageGo to next message
varu123
Messages: 754
Registered: October 2007
Senior Member
After
SQL> alter database flashback off;

Do
SQL>after database open;

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336942 is a reply to message #336938] Tue, 29 July 2008 07:31 Go to previous messageGo to next message
zafiq
Messages: 9
Registered: July 2008
Location: malaysia
Junior Member
Dear Arju and varu123,

I try to open database after off flashback but still can't open database.. Help.. TQ..

SQL> startup mount;
ORACLE instance started.

Total System Global Area 1.4798E+10 bytes
Fixed Size 2046472 bytes
Variable Size 671090168 bytes
Database Buffers 1.4110E+10 bytes
Redo Buffers 14729216 bytes
Database mounted.
SQL> alter database flashback off;

Database altered.

SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-38760: This database instance failed to turn on flashback database


SQL>

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336946 is a reply to message #336919] Tue, 29 July 2008 07:36 Go to previous messageGo to next message
Arju
Messages: 1554
Registered: June 2007
Location: Dhaka,Bangladesh. Mobile:...
Senior Member
flashback off>shutdown database> try to open database.

By the way do you have any guaranteed restore point?

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336950 is a reply to message #336919] Tue, 29 July 2008 07:44 Go to previous messageGo to next message
varu123
Messages: 754
Registered: October 2007
Senior Member
Check alert log for additional mesages.

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336951 is a reply to message #336946] Tue, 29 July 2008 07:46 Go to previous messageGo to next message
zafiq
Messages: 9
Registered: July 2008
Location: malaysia
Junior Member
Still can't open my database.. ?? TQ..

SQL> startup mount;
ORACLE instance started.

Total System Global Area 1.4798E+10 bytes
Fixed Size 2046472 bytes
Variable Size 671090168 bytes
Database Buffers 1.4110E+10 bytes
Redo Buffers 14729216 bytes
Database mounted.
SQL> alter database flashback off;

Database altered.

SQL> select flashback_on from v$database;

FLASHBACK_ON
------------------
RESTORE POINT ONLY


SQL> shutdown;
ORA-01109: database not open


Database dismounted.
ORACLE instance shut down.
SQL> startup;
ORACLE instance started.

Total System Global Area 1.4798E+10 bytes
Fixed Size 2046472 bytes
Variable Size 671090168 bytes
Database Buffers 1.4110E+10 bytes
Redo Buffers 14729216 bytes
Database mounted.
ORA-38760: This database instance failed to turn on flashback database


SQL> select * from v$flashback_database_log;

OLDEST_FLASHBACK_SCN OLDEST_FL RETENTION_TARGET FLASHBACK_SIZE
-------------------- --------- ---------------- --------------
ESTIMATED_FLASHBACK_SIZE
------------------------
0 0 1.3167E+10
0


SQL>

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336957 is a reply to message #336919] Tue, 29 July 2008 07:58 Go to previous messageGo to next message
Arju
Messages: 1554
Registered: June 2007
Location: Dhaka,Bangladesh. Mobile:...
Senior Member
Check guaranteed restore point as I mentioned you in previous post.
Check Alert_log.

Drop guaranteed restore point.
Start up the database.

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336964 is a reply to message #336957] Tue, 29 July 2008 08:14 Go to previous messageGo to next message
zafiq
Messages: 9
Registered: July 2008
Location: malaysia
Junior Member
sorry.. how to check restore point and drop restore point. note: I attacht my aler log.. TQ...

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336967 is a reply to message #336919] Tue, 29 July 2008 08:19 Go to previous messageGo to next message
Arju
Messages: 1554
Registered: June 2007
Location: Dhaka,Bangladesh. Mobile:...
Senior Member
To check guaranteed restore point,
Quote:
select NAME,SCN,GUARANTEE_FLASHBACK_DATABASE,DATABASE_INCARNATION# from v$restore_point;


Then drop it and start your database.

Change your db_recovery_file_dest location to a valid and accessible location.

[Updated on: Tue, 29 July 2008 22:09]

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #336969 is a reply to message #336967] Tue, 29 July 2008 08:24 Go to previous messageGo to next message
zafiq
Messages: 9
Registered: July 2008
Location: malaysia
Junior Member
How to change my db_recovery_file_dest? Sorry..


SQL> select NAME,SCN,GUARANTEE_FLASHBACK_DATABASE,DATABASE_INCARNATION# from v$restore_point;

NAME
--------------------------------------------------------------------------------
SCN GUA DATABASE_INCARNATION#
---------- --- ---------------------
AGPROD_09062008
5406151 YES 2

AGPROD_11062008
5679810 YES 2

AGPROD_03062008
4748595 NO 2


SQL>

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Re: Unable to startup database :ORA-38760: This database instance failed to turn on flashback databa [message #337015 is a reply to message #336969] Tue, 29 July 2008 11:53 Go to previous message
zafiq
Messages: 9
Registered: July 2008
Location: malaysia
Junior Member
Dear All,

TQ for the help.. I already solve this prob. I just turn off flashback and drop restore point before succesfully startup my database. TQ for the help.. I really appreciate it..

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