Oracle 10g Logical Standby

The question is on Oracle 10g Logical Standby Data Guard. Below is the short description of what we wanted to do.
We currently run our Remedy application on Oracle10g. We wanted to setup Data Guard (logical standby) so we can perform our application upgrade on the logical standby. While we upgrade our application, our customers perform the dml on the primary instance.
During the upgrade, we will change the ddl on our application in the logical standby instance. After the application upgrade, we do a role switch between the two instances (primary became a new logical standby and logical standby became new primary). Now, we wanted the data or the dml that our customers perform on the old primary replicate over to the new primary.
It is possible for the logical standby to perform the ddl at the same time user perform the ddl and dml on the primary instance?
After role switch between the two instances, is the data changed on the primary replicate over to the new primary?
Thank you for your helps.
Loc Nguyen
[email protected]

Hi Shital,
Guard_status protects the data from being changed.
ALL- By default it is not possible for a non-privileged user to modify data on a data guard SQL apply database. This is because the database guard is automatically set to ALL.
With this level of security, only SYS user can modify the data.
STANDBY- When you set this level of security, users are able to modify data that is not maintained by the Logical apply engine.
NONE permits any users to access the standby database as long as they have correct privileges. This is the normal security for all data in the database.
You can change the guard status value from ALL to NONE in order to allow non-privileged users to modify data and Yes you can create user and extra tablespace in logical standby database..this is what the one of advantage of using Logical standby database.
SQL> ALTER DATABASE GUARD NONE;
Thanks

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Hello;
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had you started apply using this syntax
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/

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Hi friend,
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I've inherited this DB and never really looked at the settings.
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Hi;
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Oracle 10.2.0.3 gR2 logical standby datagaurd

Linux x86-64
oracle :10.2.0.3
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Oracle Documentation has all the limitations explained and it does give you step by step approach.
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Logical standby apply won't apply logs

RDBMS Version: Oracle 10.2.0.2
Operating System and Version: Red Hat Enterprise Linux ES release 4
Error Number (if applicable):
Product (i.e. SQL*Loader, Import, etc.): Oracle Dataguard (Logical Standby)
Product Version:
Hi!!
I have problem logical standby apply won't apply logs.
SQL> SELECT TYPE, HIGH_SCN, STATUS FROM V$LOGSTDBY;
TYPE HIGH_SCN
STATUS
COORDINATOR 288810
ORA-16116: no work available
READER 288810
ORA-16240: Waiting for logfile (thread# 1, sequence# 68)
BUILDER 288805
ORA-16116: no work available
TYPE HIGH_SCN
STATUS
PREPARER 288804
ORA-16116: no work available
ANALYZER 288805
ORA-16116: no work available
APPLIER 288805
ORA-16116: no work available
TYPE HIGH_SCN
STATUS
APPLIER
ORA-16116: no work available
APPLIER
ORA-16116: no work available
APPLIER
ORA-16116: no work available
TYPE HIGH_SCN
STATUS
APPLIER
ORA-16116: no work available
10 rows selected.
SQL> SELECT SEQUENCE#, FIRST_TIME, NEXT_TIME, DICT_BEGIN, DICT_END FROM DBA_LOGSTDBY_LOG ORDER BY SEQUENCE#;
SEQUENCE# FIRST_TIM NEXT_TIME DIC DIC
66 11-JAN-07 11-JAN-07 YES YES
67 11-JAN-07 11-JAN-07 NO NO
SQL> SELECT NAME, VALUE FROM V$LOGSTDBY_STATS WHERE NAME = 'coordinator state';
NAME
VALUE
coordinator state
IDLE
SQL> SELECT APPLIED_SCN, NEWEST_SCN FROM DBA_LOGSTDBY_PROGRESS;
APPLIED_SCN NEWEST_SCN
288803 288809
INITPRIMARY.ORA
DB_NAME=primary
DB_UNIQUE_NAME=primary
REMOTE_LOGIN_PASSWORDFILE=EXCLUSIVE
service_names=primary
instance_name=primary
UNDO_RETENTION=3600
LOG_ARCHIVE_CONFIG='DG_CONFIG=(primary,standy)'
LOG_ARCHIVE_DEST_1=
'LOCATION=/home/oracle/primary/arch1/
VALID_FOR=(ALL_LOGFILES,ALL_ROLES)
DB_UNIQUE_NAME=primary'
LOG_ARCHIVE_DEST_2=
'SERVICE=standy LGWR ASYNC
VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE)
DB_UNIQUE_NAME=standy'
LOG_ARCHIVE_DEST_3=
'LOCATION=/home/oracle/primary/arch2/
VALID_FOR=(STANDBY_LOGFILES,STANDBY_ROLE)
DB_UNIQUE_NAME=primary'
LOG_ARCHIVE_DEST_STATE_1=ENABLE
LOG_ARCHIVE_DEST_STATE_2=ENABLE
LOG_ARCHIVE_DEST_STATE_3=ENABLE
LOG_ARCHIVE_FORMAT=%t_%s_%r.arc
LOG_ARCHIVE_MAX_PROCESSES=30
FAL_SERVER=standy
FAL_CLIENT=primary
DB_FILE_NAME_CONVERT='standy','primary'
LOG_FILE_NAME_CONVERT=
'/home/oracle/standy/oradata','home/oracle/primary/oradata'
STANDBY_FILE_MANAGEMENT=AUTO
INITSTANDY.ORA
db_name='standy'
DB_UNIQUE_NAME='standy'
REMOTE_LOGIN_PASSWORDFILE='EXCLUSIVE'
SERVICE_NAMES='standy'
LOG_ARCHIVE_CONFIG='DG_CONFIG=(primary,standy)'
DB_FILE_NAME_CONVERT='/home/oracle/primary/oradata','/home/oracle/standy/oradata'
LOG_FILE_NAME_CONVERT=
'/home/oracle/primary/oradata','/home/oracle/standy/oradata'
LOG_ARCHIVE_FORMAT=%t_%s_%r.arc
LOG_ARCHIVE_DEST_1=
'LOCATION=/home/oracle/standy/arc/
VALID_FOR=(ONLINE_LOGFILES,ALL_ROLES)
DB_UNIQUE_NAME=standy'
LOG_ARCHIVE_DEST_2=
'SERVICE=primary LGWR ASYNC
VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE)
DB_UNIQUE_NAME=primary'
LOG_ARCHIVE_DEST_3=
'LOCATION=/home/oracle/standy/arch2/
VALID_FOR=(STANDBY_LOGFILES,STANDBY_ROLE)
DB_UNIQUE_NAME=standy'
LOG_ARCHIVE_DEST_STATE_1=ENABLE
LOG_ARCHIVE_DEST_STATE_2=ENABLE
LOG_ARCHIVE_DEST_STATE_3=ENABLE
STANDBY_FILE_MANAGEMENT=AUTO
FAL_SERVER=primary
FAL_CLIENT=standy
Alert Log Banco "Standy" desde a inicialização do SQL Apply
Thu Jan 11 15:00:54 2007
ALTER DATABASE START LOGICAL STANDBY APPLY IMMEDIATE
Thu Jan 11 15:01:00 2007
alter database add supplemental log data (primary key, unique index) columns
Thu Jan 11 15:01:00 2007
SUPLOG: Updated supplemental logging attributes at scn = 289537
SUPLOG: minimal = ON, primary key = ON
SUPLOG: unique = ON, foreign key = OFF, all column = OFF
Completed: alter database add supplemental log data (primary key, unique index) columns
LOGSTDBY: Unable to register recovery logfiles, will resend
Thu Jan 11 15:01:04 2007
LOGMINER: Error 308 encountered, failed to read missing logfile /home/oracle/standy/arch2/1_68_608031954.arc
Thu Jan 11 15:01:04 2007
LOGMINER: Error 308 encountered, failed to read missing logfile /home/oracle/standy/arch2/1_68_608031954.arc
Thu Jan 11 15:01:04 2007
ALTER DATABASE START LOGICAL STANDBY APPLY (standy)
with optional part
IMMEDIATE
Attempt to start background Logical Standby process
LSP0 started with pid=21, OS id=12165
Thu Jan 11 15:01:05 2007
LOGSTDBY Parameter: DISABLE_APPLY_DELAY =
LOGSTDBY Parameter: REAL_TIME =
Completed: ALTER DATABASE START LOGICAL STANDBY APPLY IMMEDIATE
Thu Jan 11 15:01:07 2007
LOGSTDBY status: ORA-16111: log mining and apply setting up
Thu Jan 11 15:01:07 2007
LOGMINER: Parameters summary for session# = 1
LOGMINER: Number of processes = 3, Transaction Chunk Size = 201
LOGMINER: Memory Size = 30M, Checkpoint interval = 150M
LOGMINER: session# = 1, reader process P000 started with pid=22 OS id=12167
LOGMINER: session# = 1, builder process P001 started with pid=23 OS id=12169
LOGMINER: session# = 1, preparer process P002 started with pid=24 OS id=12171
Thu Jan 11 15:01:17 2007
LOGMINER: Begin mining logfile: /home/oracle/standy/arch2/1_66_608031954.arc
Thu Jan 11 15:01:17 2007
LOGMINER: Turning ON Log Auto Delete
Thu Jan 11 15:01:26 2007
LOGMINER: End mining logfile: /home/oracle/standy/arch2/1_66_608031954.arc
Thu Jan 11 15:01:26 2007
LOGMINER: Begin mining logfile: /home/oracle/standy/arch2/1_67_608031954.arc
Thu Jan 11 15:01:26 2007
LOGMINER: End mining logfile: /home/oracle/standy/arch2/1_67_608031954.arc
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_ATTRCOL$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_CCOL$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_CDEF$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_COL$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_COLTYPE$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_ICOL$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_IND$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_INDCOMPART$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_INDPART$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_INDSUBPART$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_LOB$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_LOBFRAG$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_OBJ$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_TAB$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_TABCOMPART$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_TABPART$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_TABSUBPART$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_TS$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_TYPE$ have been marked unusable
Thu Jan 11 15:01:33 2007
Some indexes or index [sub]partitions of table SYSTEM.LOGMNR_USER$ have been marked unusable
Thu Jan 11 15:02:05 2007
Indexes of table SYSTEM.LOGMNR_ATTRCOL$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_ATTRIBUTE$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_CCOL$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_CDEF$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_COL$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_COLTYPE$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_DICTIONARY$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_ICOL$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_IND$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_INDCOMPART$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_INDPART$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_INDSUBPART$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_LOB$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_LOBFRAG$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_OBJ$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_TAB$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_TABCOMPART$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_TABPART$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_TABSUBPART$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_TS$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_TYPE$ have been rebuilt and are now usable
Indexes of table SYSTEM.LOGMNR_USER$ have been rebuilt and are now usable
LSP2 started with pid=25, OS id=12180
LOGSTDBY Analyzer process P003 started with pid=26 OS id=12182
LOGSTDBY Apply process P008 started with pid=20 OS id=12192
LOGSTDBY Apply process P007 started with pid=30 OS id=12190
LOGSTDBY Apply process P005 started with pid=28 OS id=12186
LOGSTDBY Apply process P006 started with pid=29 OS id=12188
LOGSTDBY Apply process P004 started with pid=27 OS id=12184
Thu Jan 11 15:02:48 2007
Redo Shipping Client Connected as PUBLIC
-- Connected User is Valid
RFS[1]: Assigned to RFS process 12194
RFS[1]: Identified database type as 'logical standby'
Thu Jan 11 15:02:48 2007
RFS LogMiner: Client enabled and ready for notification
Thu Jan 11 15:02:49 2007
RFS LogMiner: RFS id [12194] assigned as thread [1] PING handler
Thu Jan 11 15:02:49 2007
LOGMINER: Begin mining logfile: /home/oracle/standy/arch2/1_66_608031954.arc
Thu Jan 11 15:02:49 2007
LOGMINER: Turning ON Log Auto Delete
Thu Jan 11 15:02:51 2007
LOGMINER: End mining logfile: /home/oracle/standy/arch2/1_66_608031954.arc
Thu Jan 11 15:02:51 2007
LOGMINER: Begin mining logfile: /home/oracle/standy/arch2/1_67_608031954.arc
Thu Jan 11 15:02:51 2007
LOGMINER: End mining logfile: /home/oracle/standy/arch2/1_67_608031954.arc
Please, help me more time!!!!
Thanks.

Hello!
thank you for the reply.
The archive 1_68_608031954.arc that error of reading occurred, did not exist in the date of the error sees below:
$ ls -lh /home/oracle/standy/arch2/
total 108M
-rw-r----- 1 oracle oinstall 278K Jan 11 15:00 1_59_608031954.arc
-rw-r----- 1 oracle oinstall 76K Jan 11 15:00 1_60_608031954.arc
-rw-r----- 1 oracle oinstall 110K Jan 11 15:00 1_61_608031954.arc
-rw-r----- 1 oracle oinstall 1.0K Jan 11 15:00 1_62_608031954.arc
-rw-r----- 1 oracle oinstall 2.0K Jan 11 15:00 1_63_608031954.arc
-rw-r----- 1 oracle oinstall 96K Jan 11 15:00 1_64_608031954.arc
-rw-r----- 1 oracle oinstall 42K Jan 11 15:00 1_65_608031954.arc
-rw-r----- 1 oracle oinstall 96M Jan 13 06:10 1_68_608031954.arc
-rw-r----- 1 oracle oinstall 12M Jan 13 13:29 1_69_608031954.arc
$ ls -lh /home/oracle/primary/arch1/
total 112M
-rw-r----- 1 oracle oinstall 278K Jan 11 14:21 1_59_608031954.arc
-rw-r----- 1 oracle oinstall 76K Jan 11 14:33 1_60_608031954.arc
-rw-r----- 1 oracle oinstall 110K Jan 11 14:46 1_61_608031954.arc
-rw-r----- 1 oracle oinstall 1.0K Jan 11 14:46 1_62_608031954.arc
-rw-r----- 1 oracle oinstall 2.0K Jan 11 14:46 1_63_608031954.arc
-rw-r----- 1 oracle oinstall 96K Jan 11 14:55 1_64_608031954.arc
-rw-r----- 1 oracle oinstall 42K Jan 11 14:55 1_65_608031954.arc
-rw-r----- 1 oracle oinstall 4.2M Jan 11 14:56 1_66_608031954.arc
-rw-r----- 1 oracle oinstall 5.5K Jan 11 14:56 1_67_608031954.arc
-rw-r----- 1 oracle oinstall 96M Jan 13 06:09 1_68_608031954.arc
-rw-r----- 1 oracle oinstall 12M Jan 13 13:28 1_69_608031954.arc
Alert log
hu Jan 11 15:01:00 2007
SUPLOG: Updated supplemental logging attributes at scn = 289537
SUPLOG: minimal = ON, primary key = ON
SUPLOG: unique = ON, foreign key = OFF, all column = OFF
Completed: alter database add supplemental log data (primary key, unique index) columns
LOGSTDBY: Unable to register recovery logfiles, will resend
Thu Jan 11 15:01:04 2007
LOGMINER: Error 308 encountered, failed to read missing logfile /home/oracle/standy/arch2/1_68_608031954.arc
Thu Jan 11 15:01:04 2007
LOGMINER: Error 308 encountered, failed to read missing logfile /home/oracle/standy/arch2/1_68_608031954.arc
You it would know as to help me?
Would be a BUG of the Oracle 10g?
Thanks.

Oracle 10g Licensing question for Dataguard

Could some one please let me know if a 10g database with a 10g logical standby database and a 10g Physical standby database requires a dataguard license.
thanks heaps

Hello
if you have Oracle enterprise editon you can use dataguard free
but dont mind if you have 1 Prod 1 phy standby you must have 2 Oracle license
Regards
Zekeriya Besiroglu

Logical Standby - Application Express Recovery

Ive asked a similar question in the following threads:-
Re: Recovering Logical Standby - Non-Guarded Schemas
Logical Standby - Application Express Recovery
Were using 10g Logical Standby database for our reporting environment and within it we have Oracle Application Express. i initially installed APEX into the logical after it was created. We then had to recover the primary RESETLOGS and reinstantiate the Logical - but since the APEX components were not-guarded by Data Guard they werent recreated after the reinstantiation. So it got me thinking.
Q1) Is it best to install Apex into the primary so the schema objects get recreated if we have to reinstantiate the Logical
Q2) If you do 1) this means you have to manually copy the files on the OS across - are there issues with this?
Does anyone else have this issue with an Apex installation?
Thanks for you help
Simon

you may want to try this one on the database general forum as well

Data Guard Logical Standby DB Questions

Hi,
I am creating Oracle 9i Logical Standby database on AIX 5 on same server ( for
testing only ).
In Data Guard Manual ( PDF file page no : 86 ) it is said that
Step 4 Create a backup copy of the control file for the standby database. On the
primary database, create a backup copy of the control file for the standby database:
SQL> ALTER DATABASE BACKUP CONTROLFILE TO
2> '/disk1/oracle/oradata/payroll/standby/payroll3.ctl';
My Questions regarding this are
1. Does it missing "backup standby controlfile" word ? if not what is the use of
this control file ? Because as per this manual section 4.2.2 step no 1 and 2 I
have stopped the primary database and copied datafiles,logfiles and controlfiles
as specified which are having consistent stage.
2. On primary database I am mirroring 2 controlfiles at two diffrent locations.
On Standby Database I am going to keep same policy. Then on standby database do I have to copy this controlfile to two locations and rename datafiles or I have
to user controlfiles which I have backed up along with datafiles ?
3. Suppose my primary database is "infod" and standby database is "standby".
Then what should be value of log_file_format parameter of standby database ? On
primary db I have defined "infod LOG_ARCHIVE_FORMAT=infod_log%s_%t.arc. Do I have to keep same or change it ? If on standby db I change the value do I
require other parameters to be set ?
regards & thanks
pjp

Q/A1) Its correct you dont need the standby keyword. Not sure abut the reason why but we have created logical standby running in prod using the oracle doc.
Q/A2) Yo can specify any location and name for your controlfiles as it is instance specific and not depending on primary database.
Q/A3) You can set any format for your archlogs on standby side. It doesnt bother the primary db or DG configuration.
Regards,
http://askyogesh.com

Oracle 10g Logical Standby

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