Status Online Logfile
Nov 2, 2010
I delete member logfile from disk with statement: shred -fu /u01/app/oracle/redologs/activeredolog/DB1/redo0102.log
But if I check status one logfile with statement:
select status from v$logfile wheremember='/u01/app/oracle/redologs/activeredolog/DB1/redo0102.log';
Status is still null. I think status should be change.
My database is 11.2.0.1 with single instance.
Status is changed after restart instance.
Haw can I monitor status logfiles without restart instance?
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Feb 21, 2009
What are the differences of;
1. ALTER SYSTEM SWITCH LOGFILE;
2. ALTER SYSTEM ARCHIVE LOG ALL;
3. ALTER SYSTEM ARCHIVE LOG CURRENT;
I read Oracle's document but still didn't understand the difference in real life-use.
If you were writing a hotbackup script, which would you use at the end of datafile copy?
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Feb 18, 2012
How can i define the logfile of standby database when using then duplicate database to create the standby database? the flowing command can not run.
run{
duplicate target database for standby dorecover nofilenamecheck
logfile group 1 ('/u01/app/oracle/oradata/oracl/redo1_1.log','/u01/app/oracle/oradata/oracl/redo1_2.log') size 512M,
group 2 ('/u01/app/oracle/oradata/oracl/redo2_1.log','/u01/app/oracle/oradata/oracl/redo2_2.log') size 512M,
group 3 ('/u01/app/oracle/oradata/oracl/redo3_1.log','/u01/app/oracle/oradata/oracl/redo3_2.log') size 512M;
}
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Aug 20, 2010
1): In logminer logfile analyzing, I had added all the online redo log files in the below procedure:
EXECUTE dbms_logmnr.add_logfile(.....
Options => dbms_logmnr.addfile).
Then
2):I mentioned 3 days at the STARTTIME & ENDTIME in the procedure of LOGMNR.START_LOGMNR(...)
But it shows the below error msg:Ora-01291: missing logfile.
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Nov 25, 2012
I see following warning message in alert log file.
Quote:WARNING: OMF is enabled on this database. Creating a physical standby controlfile, when OMF is enabled on the primary database, requires manual RMAN intervention to resolve OMF datafile pathnames.
NOTE: Please refer to the RMAN documentation for procedures describing how to manually resolve OMF datafile pathnames.
Is it just an information or something like warning message we need to look into it.
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Oct 15, 2010
I was asked to find the C struct that Oracle uses to create a logFile, or at least the C struct of a reg in that file,I've read a lot of material from many "know-at-all" who don't know anything.
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Aug 6, 2012
I'm planning to decrease the time taken to execute data by managing the redo log file but I'm kinda stuck in some aspect : > Why is my OPTIMAL_LOGFILE_SIZE is showing NULL ? > I'm trying to resize the LOGFILE capacity from 100M to 200M and I'm also adding 1 more LOG GROUP with 200M capacity too but turned out that didn't decrease my execution time.
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Jan 24, 2013
Including order number, name and contact details (email, address, telephones) of customer and date the order was placed, order including product code, quantity ordered and cost charged; and Data on each product in the catalog including product code, name, description, unit price and category.
user to input information n number of order items (where 1 ≤ n ≤ 20) as parameters
a cursor to handle the multiple orders retrieved.
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Dec 8, 2011
how to connect oracle database through online
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Dec 17, 2012
I am going for a presentation at my University. But the students are not very interested in Oracle or Databases. So I need a title for the Apex topic which gets the other students to visit my presentation.
The presentation should show the basics of apex and how to earn money with this.I thought of:
1) Oracle in the world of Web 2.0
2) How to get online with Oracle
3) What to show if some1 tells you Access is a Database
4) Oracle in a drag and drop environment even for developers
5) Best of Breed: Oracle SQL / PL/SQL, HTML, XML and Java in a nutshell
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Dec 24, 2012
Is it possible to gather stats for a schema which its in use. When i try to analyze the tables of a schema it shows that the statistics for that table is locked. So is it possible that instead of analyzing a table one by one , can i go for gathering the Schema stats while the objects of that Schema is still in use ( like DML or select statements being issued on those schema objects) .
DB version : 10.2.0.4
OS version : RHEL 5.8
DB type : RAC
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Oct 10, 2012
I developed an Point of sales software using developer 6i and database 10g XE.Now I want to use this software online. Can I do it ? If it is, then how?
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Dec 5, 2012
I have implemented Rac One node with two machine(dbtest01,dbtest02) in 11.2.0.3 Redhat 5.3 one for online another one for offline. i have created TAF also.
dbtest01 is online and create one query
DECLARE
i number(36):=1;
begin
while(i<10000000)
loop
dbms_output.put_line(i);
i:=i+1;
end loop;
end;
i executed above query for test and i made relocate database using srvctl utility to dbtest02 machine.
session is relocated successfully with new session id...above query getting stop in 25000 itself. i want to make it continue that process..also i tried to find Omotion utility in all the path.. couldn't find it... where will it be.. i want to relocate all the session without losing work.
from application i am getting disconnect after relocation.. application server need to restart to get work again...
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Sep 25, 2013
Version: 11.2.0.3Platform : Solaris 10
One of the Hitachi support guy has suggested to create a separate disk group for Online redo logs. His rationale was that ORLs was write only files and it would be better to put in a separate disk group.
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May 26, 2010
Just want to confirm if I can run the export (command line) even if the database is up (online)? Are there any risks/impact while doing so?
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Dec 1, 2011
I am using SQL developer 2.1 to migrate tables from Sybase 12 database to oracle 11g. I have used online data move option for moving sybase data into oracle tables, but even after data move is completed not all rows have been moved from sybase tables to corresponding oracle tables. Some rows are missing but still there is no error message being displayed, how to find out what's going wrong.
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Jul 20, 2011
Till now i was pretty sure that standby redologs are applied to database without any delay, but everything looks that the process is different. i did on primary server table and add some records to this table.
Next i switch to standby and open redologs (with hex editor) to look for this "create table" and "insert" commands. and i succeeded. so this is prove that standby log are supplied by primary database.
Next i cancelled recovery process and open database in read only mode and there was no records in this standby db, moreover there wasn't any table on standby. so i started to be confused, because i suspected that this table and it content will be on standby database.
Next i started recover process again for standby database and do some switch log on primary server. after that i back to standby, cancel recovery process and open database in read only mode. there was table and contents for it.
so my question is:
does standby redologs should be applied online to database or they are only applied after promoting standby database to primary database?
it looks like contents only from archivelog is applied to standby database. it is correct?
database is 9i.
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Dec 23, 2011
How can i create an oline back up of database using RMAN?
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Aug 8, 2011
Is it possible to change the datatype of a column in a table online, using DBMS_REDEFINITION?
If Yes, then which of the options will be used with DBMS_REDEFINITION package?
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Sep 13, 2011
I've only successfully duplicate a standby database.
from the alert log
ORA-00313: open failed for members of log group 1 of thread 1
ORA-00312: online log 1 thread 1: 'D:ORA102CTAREDO01.LOG'
ORA-27041: unable to open file
OSD-04002: unable to open file
O/S-Error: (OS 2) The system cannot find the file specified.
[code].....
when I tried to add the online and standby redo log, it error out
SYS@CTA>select logdetail.member, loggroup.group#, loggroup.sequence#, loggroup.archived, loggroup.status lg_status, logdetail.status ld_detail, logdetail.type
2 from v$log loggroup join v$logfile logdetail
3 on loggroup.group# = logdetail.group#;
MEMBER
--------------------------------------------------------------------------------
GROUP# SEQUENCE# ARC LG_STATUS LD_DETA TYPE
---------- ---------- --- ---------------- ------- -------
[code].....
based on my understanding from [URL] ....
Quote:
As part of the duplicating operation, RMAN automates the following steps:
Creates a control file for the duplicate database
Restores the target datafiles to the duplicate database and performs incomplete recovery by using all available incremental backups and archived redo logs
Shuts down and starts the auxiliary instance (refer to "Task 4: Start the Auxiliary Instance" for issues relating to client-side versus server-side initialization parameter files)
Opens the duplicate database with the RESETLOGS option after incomplete recovery to create the online redo logs (except when running DUPLICATE ... FOR STANDBY, in which case RMAN does not open the database) when duplicating for standby database it does not create online redo logs. Duplicating a standby database does not creates online redo logs.
how should I add the online and standby redo logs. If I transfer the redo logs from primary to standby, it always encountered the the following error
Dump file d:ora102ctadumpcta_arc0_3624.trc
Tue Sep 13 19:21:53 2011
ORACLE V10.2.0.4.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the OLAP, Data Mining and Real Application Testing options
Windows XP Version V5.1 Service Pack 2
[code].....
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Apr 10, 2013
Although i have removed current online redo log file in linux os (Oracle Linux),when i type "commit" it says that "commit complete".
Is this fair for this princip?*:" if Only when all redo records associated with a given transaction are safely on disk in the online logs is the user process notified that the transaction has been committed."*
I think that it can lead to loss of data in some cases..I'm using Oracle 11g R2 on OEL (x64)..
P.S : I haven't multiplexed current ORL group files...
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Jul 25, 2013
,I am new to Oracle database administration i am working on a 24*7 tool .the tool will work as a non stop.this is a standalone tool.there wont be any one who will be taking care of the database.I need to design a backup statergyNeed to take backups on timly basis.Since the database can't be go offline cold backup's can not be useenhot backup needs to implemented.what are steps needs to do for hot backup.Is there are some pre defined scripts to run the backup.
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Jun 3, 2013
I am trying to create a clone database using hot backup of a database .
STEPS THAT I FOLLOWED
------------------------------------
LET ----- >CURRENT_DB NAME=DEV
CLONE DATABASE NAME=DEVCLONE
steps PERFORMED FORM DEV DB
-----------------------------------------------
- put the database in backup mode using 'alter database begin backup'
- copy all the data files to a different folder
- during copy i have performed some operations on the DB (creating users, tables, dmls etc...)
- in between copying i also performed log switch
- after completion of copy , "alter database end backup"
- created a backup control file in a human readable format (alter database backup controlfile to trace as ........)
steps performed for clone DB side ((DEVCLONE)
-------------------------------------------------------------------
- created a parameter file for the database .
- modified the backup control file so that it will point to the location of copied destination of datafiles
- set the ORACLE_SID
- then 'sqlplus / as sysdba
- starup nomount
- run the modified control file ( created a control file for the clone database)
- recover the database using "recover database using backup controlfile"
I have provided the archive files that it was asking for (archive logs that has been generated in DEV DB)
then i canceled the recovery by typing "cancel"
- recover database using backup controlfile until cancel;
then typed "cancel"
- then try to open the database with open resetlogs but it showed below error
alter database open resetlogs
*
ERROR at line 1:
ORA-01195: online backup of file 1 needs more recovery to be consistent
ORA-01110: data file 1: 'D:DATA_GUARDDEVHOTSYSTEM01.DBF'
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Jun 19, 2013
why can not we resize online redolog files instead of re-creating the same with large size and remove the older onces.2. How can we make RMAN obsolute backups as usable ?
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Nov 27, 2012
I configured recovery catalog and started Full online backup using EMC Networker. In EMC Networker I set three months policy to keep Backup.I didn't change redundancy.
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
My question is, if I need to restore Backup of last 15 days then I can ?.
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Jan 8, 2013
Does the full cold backup of rman include online redologs?
So that at the time of recovery when i restore the database the online redologs also restored to that point?
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Jan 29, 2011
online backup done thru RMAN.Suppose i am taking online backup of full database. During the backup, user's are inserting/deleting/modifying data. This data is getting stored as online archives. Once the database backup is finished, how these archives are applied to the database to make the database up to date.
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Jul 1, 2013
I'm setting up a zone cluster that will be running RAC. This has gone well, up to the point where, using clsetup, I attempt to create the rac-framework-rg (and associated rac-udlm-rs, rac-framework-rs). In attempting to create the resource group, the rac-udlm-rs fails to come online, causing the rest of the framework to fail.
The error in the log file for UDLM (/var/cluster/ucmm/dlm_<zone>/logs/dlm.log is:
CONNECT ERROR: 'Invalid argument', family=0, port= 6009, in=0.0.0.0
This repeats 5 times per second on both zone cluster nodes. regularly the error changes port (i.e. it cycles through the ports). I've tried rebuilding the zone cluster, to no avail. I am at a loss as to what the error might be, or where to start looking, since there is no evidence anyone has ever hit this error before.
Possibly related, or even the cause, is that the zone cluster has been configured with: add net address=xxx.xxx.xxx.xxxend at the zonecluster level, but these addresses are not showing up under 'ifconfig -a'. how they are used, and when they should show up though. Some notes:the zone cluster in all other respects seems fine - I have QFS resources configured and these appear to successfully work in all circumstances.the ORCLudlm package is installed (the one that comes with Oracle 11.2.0.3)
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Mar 27, 2013
Im looking for a query which returns the batch for which all the child should either be in 'A_STATUS','B_STATUS' or 'C_STATUS'. In this query im expecting a query which returns batch 2,3 and 4.
create table batch (batchid number);
insert into batch values(1);
insert into batch values(2);
insert into batch values(3);
insert into batch values(4);
[Code]...
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Jun 2, 2011
i am migrating forms 6i to 10g, when i compile one form to checking purpose all are successfully fine but the record status bar not showing there fore message are not appear how to solve this problem
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