Convert standby to read only

Hi,
Oracle 11gR2 / Unix
I want to convert standby database (2 node rac) currently (which is in mount mode) to open read only mode. Can someone please help me steps to be done?
Thanks

>from which node shall I run command to cancel manage recovery and .make it read only
In DataGuard (or manual Standby) even if the Standby database is RAC, only one node and instance is used to manage recovery. So, you would be having the database instance up and applying managed recovery on only one node. You would stop managed recovery on that node and shutdown and startup (read only) again on that node.
>So Is it safe to keep it in read only mode for longer time?
You'll be building up a backlog of archivelogs. You need to ensure that you have enough disk space (on the primary and standby) for those archivelogs.
Also note that your DR protection will be unavailable while the standby is OPEN READ ONLY. If your primary goes down after 12hours or 24hours, your Standby has data only as of 12hours or 24hours ago. Some sites choose to build 2 standby's, one continuously running recovery and another open READ ONLY as and when required. OR to use Active Dataguard Licence.
Hemant K Chitale

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Unable to open the physical standby in read only (10g)

Hi,
I m trying to create physical standby using RMAN to another server . But at the last step when trying to test Real Time Apply i m unable to open the standby in read only mode.Can Anyone please let me know whats the issue and how to resolve it
SQL> select status from v$instance;
STATUS
MOUNTED
SQL> alter database recover managed standby database using current logfile disconnect from session;
Database altered.
SQL> alter database recover managed standby database cancel;
Database altered.
SQL> alter database open read only;
alter database open read only
ERROR at line 1:
ORA-16004: backup database requires recovery
ORA-01152: file 1 was not restored from a sufficiently old backup
ORA-01110: data file 1:
'/u01/app/oracle/product/10.2.0/oradata/test1/system.dbf'

Hi,
This is a newly created standby. I created just now. Below the o/p requested
In Primary
SQL> set line 200
SQL> set pagesize 200
SQL> col message format a90
SQL> select severity, error_code, to_char(timestamp,'DD-MON-YYYY HH24:MI:SS'), message from v$dataguard_status where dest_id=2;
SEVERITY      ERROR_CODE TO_CHAR(TIMESTAMP,'D MESSAGE
Error              12541 04-MAR-2012 11:55:05 PING[ARC1]: Heartbeat failed to connect to standby 'test1'. Error is 12541.
Error              12541 04-MAR-2012 12:00:12 PING[ARC1]: Heartbeat failed to connect to standby 'test1'. Error is 12541.
Error               1034 04-MAR-2012 12:06:25 PING[ARC1]: Heartbeat failed to connect to standby 'test1'. Error is 1034.
Warning             3113 04-MAR-2012 13:21:24 ARC1: Attempting destination LOG_ARCHIVE_DEST_2 network reconnect (3113)
Warning             3113 04-MAR-2012 13:21:24 ARC1: Destination LOG_ARCHIVE_DEST_2 network reconnect abandoned
Error               3113 04-MAR-2012 13:21:24 PING[ARC1]: Error 3113 when pinging standby test1.
Warning             3113 04-MAR-2012 13:33:29 ARC1: Attempting destination LOG_ARCHIVE_DEST_2 network reconnect (3113)
Warning             3113 04-MAR-2012 13:33:29 ARC1: Destination LOG_ARCHIVE_DEST_2 network reconnect abandoned
Error               3113 04-MAR-2012 13:33:29 PING[ARC1]: Error 3113 when pinging standby test1.
Error               1034 04-MAR-2012 13:39:50 PING[ARC1]: Heartbeat failed to connect to standby 'test1'. Error is 1034.
Error               1034 04-MAR-2012 13:45:29 PING[ARC1]: Heartbeat failed to connect to standby 'test1'. Error is 1034.
Warning             3113 04-MAR-2012 13:57:56 ARC1: Attempting destination LOG_ARCHIVE_DEST_2 network reconnect (3113)
Warning             3113 04-MAR-2012 13:57:56 ARC1: Destination LOG_ARCHIVE_DEST_2 network reconnect abandoned
Error               3113 04-MAR-2012 13:57:56 PING[ARC1]: Error 3113 when pinging standby test1.
14 rows selected.
SQL> select     ds.dest_id id
,       ad.status
,       ds.database_mode db_mode
,       ad.archiver type
,       ds.recovery_mode
,       ds.protection_mode
,       ds.standby_logfile_count "SRLs"
,       ds.standby_logfile_active active
,       ds.archived_seq#
from    v$archive_dest_status   ds
,       v$archive_dest          ad
where   ds.dest_id = ad.dest_id
and     ad.status != 'INACTIVE'
order by
        ds.dest_id
/   2    3    4    5    6    7    8    9   10   11   12   13   14   15   16
        ID STATUS    DB_MODE         TYPE       RECOVERY_MODE           PROTECTION_MODE            SRLs     ACTIVE ARCHIVED_SEQ#
         1 VALID     OPEN            ARCH       IDLE                    MAXIMUM PERFORMANCE           0          0            64
         2 VALID     UNKNOWN         ARCH       UNKNOWN                 MAXIMUM PERFORMANCE           3          0            64In standby
SQL> select thread#,max(sequence#) from v$archived_log where applied='YES' group by thread#;
   THREAD# MAX(SEQUENCE#)
         1             64
SQL> select thread#,max(sequence#) from v$archived_log group by thread#;
   THREAD# MAX(SEQUENCE#)
         1             64
SQL> select message from v$dataguard_status;
MESSAGE
ARC0: Archival started
ARC1: Archival started
ARC1: Becoming the 'no FAL' ARCH
ARC1: Becoming the 'no SRL' ARCH
ARC0: Becoming the heartbeat ARCH
Attempt to start background Managed Standby Recovery process
MRP0: Background Managed Standby Recovery process started
Managed Standby Recovery starting Real Time Apply
Media Recovery Waiting for thread 1 sequence 63
Redo Shipping Client Connected as PUBLIC
-- Connected User is Valid
MESSAGE
RFS[1]: Assigned to RFS process 9880
RFS[1]: Identified database type as 'physical standby'
Media Recovery Log /u01/app/oracle/product/10.2.0/archive/test1/1_63_776981781.arc
Media Recovery Log /u01/app/oracle/product/10.2.0/archive/test1/1_64_776981781.arc
Media Recovery Waiting for thread 1 sequence 65
16 rows selected.

Logical standby as read only

we are using 3 node RAC in 10g R2 and we have been requested to create one physical(for DR) and one logical standby(for reporting) for the primary database.we created both successfully.
everything worked fine until i opened the logical standby database as read only.the sql apply stops once i opened the logical standby as readonly.
once i shut it down and opened in read write mode the sql apply works fine.
is there any way to open the logical standby only in read only,because we want to use the database only for reporting and doesnt want anyone creating anything in the database.
anyhelp is appreciated
thanks

Users (other than SYSDBA) cannot create anything in a Logical standby unless someone with SYSDBA privs executed ALTER DATABASE GUARD STANDBY; or ALTER DATABASE GUARD NONE;
STANDBY says they can create objects that they have the normal privs to do but they cannot affect/change anything that SQL Apply is maintaining (i.e. the stuff coming in from the Primary)
NONE says they still cannot create/change anything they do not have the privs to do but they CAN mess with the tables that SQL Apply is maintaining which would toast your standby so you would never do that.
It is lightly documented at http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/statements_1004.htm#i2110829 :^(
The default for the GUARD is ALTER DATABASE GUARD ALL; which gets set for you when you created the Logical Standby following the procedures at http://download.oracle.com/docs/cd/B19306_01/server.102/b14239/create_ls.htm#g105412
Larry

Error raised when opening physical standby in read only

Hi,
I've a physical standby 11.2.0.2 created using RMAN duplicate from active database which is configured with data guard. When I open the database in READ ONLY mode
SQL> alter database open read only;
Database altered.
SQL> select open_mode from v$database;
OPEN_MODE
READ ONLY
I get this error in the alert log
Physical standby database opened for read only access.
Fri Aug 12 15:14:01 2011
db_recovery_file_dest_size of 256000 MB is 4.72% used. This is a
user-specified limit on the amount of space that will be used by this
database for recovery-related files, and does not reflect the amount of
space available in the underlying filesystem or ASM diskgroup.
Errors in file /oradata/admin/ORAINT/diag/diag/rdbms/oraintsb/oraintsb/trace/ora intsb_ora_8692.trc:
ORA-00604: error occurred at recursive SQL level 1
ORA-00931: missing identifier
ORA-06512: at "SYS.DBMS_UTILITY", line 156
ORA-06512: at "SYS.DBMS_SHARED_POOL", line 72
ORA-06512: at "SYS.DBMS_SHARED_POOL", line 84
ORA-06512: at "SYS.PROC_PKGS_KEEP", line 26
ORA-06512: at line 2
Completed: alter database open read only
the tracefile is showing this,
Trace file /oradata/admin/ORAINT/diag/diag/rdbms/oraintsb/oraintsb/trace/oraintsb_ora_8692.trc
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORACLE_HOME = /opt/oracle/product/11.2.0/ORAINT
System name: Linux
Node name: c4p-db01
Release: 2.6.18-194.0.0.0.3.el5xen
Version: #1 SMP Mon Mar 29 18:27:00 EDT 2010
Machine: x86_64
VM name: Xen Version: 3.4 (PVM)
Instance name: oraintsb
Redo thread mounted by this instance: 1
Oracle process number: 17
Unix process pid: 8692, image: oracle@c4p-db01 (TNS V1-V3)
*** 2011-08-12 15:14:03.367
*** SESSION ID:(24.1) 2011-08-12 15:14:03.367
*** CLIENT ID:() 2011-08-12 15:14:03.367
*** SERVICE NAME:(SYS$USERS) 2011-08-12 15:14:03.367
*** MODULE NAME:(sqlplus@c4p-db01 (TNS V1-V3)) 2011-08-12 15:14:03.367
*** ACTION NAME:() 2011-08-12 15:14:03.367
Error in executing triggers on database startup
*** 2011-08-12 15:14:03.367
dbkedDefDump(): Starting a non-incident diagnostic dump (flags=0x0, level=0, mask=0x0)
----- Error Stack Dump -----
ORA-00604: error occurred at recursive SQL level 1
ORA-00931: missing identifier
ORA-06512: at "SYS.DBMS_UTILITY", line 156
ORA-06512: at "SYS.DBMS_SHARED_POOL", line 72
ORA-06512: at "SYS.DBMS_SHARED_POOL", line 84
ORA-06512: at "SYS.PROC_PKGS_KEEP", line 26
ORA-06512: at line 2
if I disable the system triggers using
ALTER SYSTEM SET "_system_trig_enabled"=FALSE scope=both;
The error doesn't appear but when trying to switch to active dataguard the open_mode goes from READ ONLY to MOUNTED rather than READ ONLY WITH APPLY
Any help much appreciated
Edited by: phil74 on 12-Aug-2011 07:22

Have you checked what your guard status is set to?
SQL> SELECT guard_status from v$database;I've had a similar issue before but with a standby, whereby the status was set to ALL. This means all users apart from SYS are unable to make changes on the database.
My resolution was to set the status to standby:
SQL> ALTER DATABASE GUARD STANDBY;You may wish to set the guard status to NONE however.
I took some notes:
http://juniororacledba.wordpress.com/2011/07/17/oracle-logical-standby-dataguard-error However, I do not have a link to any Oracle documentation on the subject to hand. But might give you a head start.

Converting a non-read only menu to read only.

Hi I am looking for a way that I can take a menu in EBs and then convert that menu to read only, this process should also include all of the functions and the submenus.
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Dave

Pl post details of OS, database and EBS versions.
Menus cannot be made READ_ONLY - this attribute applies only to functions. You will have to build a custom menu with custom functions that are READ_ONLY, then assign the custom menu to a custom responsibility.
R12: How To create read only responsibility (Doc ID 1290228.1)
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Srini

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Hi,
According to your description, you give the domain admin full control over files on the old file server, but you cannot move the files to the new file server. After pull the files from the old to the new file server, the domain admin can only read the files
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Regards,
Mandy
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
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Is it possible to have a 10g (R1) LOGICAL standby db in read-ONLY mode?

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Ipad form ....help needed please. Clear form after email as read only and sequential numbering

Hi
i am a complete novice at this however this is what I want to achieve.
i Have a paper duplicate report sheet that I want to get electronically, I want to be able to add sequential numbers to each report and be able to email the report to the client from a email field in the form
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10 G oracle database

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***Warning - Executing transaction without active Undo Tablespace

Hi,
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How Real Time Apply works while physical standby is open in Read Only mode

Hi,
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Regards,
Sujit

Dear user7419391,
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http://www.ascent.co.za/documents/oracle/Oracle%20databse%2011g%20Active-Data-Guard%20datasheet.pdf
*Unique Advantages of Oracle Active Data Guard*
+Active Data Guard is an evolution of Data Guard technology, providing unique+
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+and is ideally suited as a test system, able to process transactions independent of the+
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Regards.
Ogan

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Convert standby to read only

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