How to initiating entry in alert.log?

Hallo,
i want initiate an entry in the alert.log by myself.
how can i do that?
thanks in advance

just make a archive log switch or shut down startup or any parameter changes which will effect alert.log file and there are many more

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Cjq process related entries in alert log

Hi,
I have recently set up 10g (10.2.0.4) database on solaris 10. In the alert log of the db , there are entries like this;
Mon May 25 02:31:56 2009+
Starting background process CJQ0+
CJQ0 started with pid=15, OS id=18484+
Mon May 25 03:12:47 2009+
Stopping background process CJQ0+
the database is up and it is running but in alert log several such messages are there...not sure why the CJQ processes should start and shut down. can you suggest regarding possible cause for it.
thanks
Edited by: orausern on May 25, 2009 7:22 AM
Edited by: orausern on May 25, 2009 7:22 AM

From the documentation you get the following:
This is the Oracle’s dynamic job queue coordinator. It periodically selects jobs that need to be run, scheduled by the Oracle job queue. The coordinator process dynamically spawns job queue slave processes (J000…J999) to run the jobs. These jobs could be PL/SQL statements or procedures on an Oracle instance. Please note that this is not a persistent process. It comes and goes.
Regards, Gerwin

New Archived log entry in alert log after cpu patch 19 applied

Has anyone applied October critical patch for 11.1.0.7? I applied the cpu Patch 19 (8892977) for 11.1.0.7 on several windows2008 servers and after the patch the alert log displays a new message everytime a redo log transfers. This only happens on servers that have archivelog on. It looks like there is some kind of trace set. Anyone know know what the message is?
Thanks,
Kathie
Archived Log entry 10937 added for thread 1 sequence 10938 ID 0xa96e3908 dest 10:

Hi Mark!
Yes, Oracle informed me that this message is normal and is only used for formational purposes. I should just ignore it.
Did you apply patch19? I have also found issues with a high amount of "waits" of type of "other". Some jobs are running slightly slower also. Also, if you check your "database health link" on dbconsole home page you will see consistant "non-critical" alerts. I don't have these alerts on servers not yet patched. This alerts appear to be caused by wait events of "other".
Kathie

Separate alert log for every day

Hi,
Apart from regular alert_SID_.log file, can i configure alert log something like :
alert_SID_StartDateAndTime_EndDateAndTime.log
I mean can i configure separate aler log for 12.00 AM to 11.59 PM everyday, because :
1.It will easy to have separate alert log; so that if i have to send it i can send.
2.It will record all message in separate file, so that we may know that on which date, what db actions have been performed etc.
Thanks,

Satish Kandi wrote:
You could achieve this with a simple cron job, as indicated by CKPT, to rename the existing alert.log to required format.If you please show an exmple, it will help me to understand it
>
On a side note,
1.It will easy to have separate alert log; so that if i have to send it i can send.Where do you need to send the alert log on daily basis?Sometime if client ask it.
How will you send the alert log for last one month, if required? Wouldn't that be simpler with just one file?
Ofcourse, sending one file is easy than many, but many have separate info as well.
2.It will record all message in separate file, so that we may know that on which date, what db actions have been performed etc.Alert log already has a timestamp included, so I don't see how this will benefit you.
Still, if there is dbms_separate_alert_log (assumed new feature for Oracle 12g), i think it may be helpful to us.
Its a general practice to review the alert log on daily basis and keep only the "required" (definition changes per individual) information in the file. Personally, I prefer to have a complete backup of the alert log contents in a separate file and stripped out version of alert log as current one.Currently i am using 10.2.0.1 on windows xp.
Thanks,

Managing Alert log files : Best practices?

DB Version : 10.2.0.4
Several of our DBs' alert logs have become quite large. I know that oracle will create a brand new alert log file if i delete the existing one.
But i just want to know how you guys manage your alert log files. Do you guys archive (move to a different directory) and recreate a brand new alert log. Just want to know if there any best practices i could follow.

ScottsTiger wrote:
DB Version : 10.2.0.4
Several of our DBs' alert logs have become quite large. I know that oracle will create a brand new alert log file if i delete the existing one.
But i just want to know how you guys manage your alert log files. Do you guys archive (move to a different directory) and recreate a brand new alert log. Just want to know if there any best practices i could follow.Every end of day (or every periodic time) archive your alert.log and move other directory then remove alert.log.Next time Database instance will automatically create own alert.log

Online viewing of alert log

I know that there is a switch for online using the less command. does any one know the exact syntax to enable viewing entries of alert log as and when they are written? Some thing like autoscroll of the alert log entries so we can monitor the entries..
RGDS,
BMP

So far the less command displays in a pg like manner contents from any text file, but the controls it provides are for browsing/editting.
~ Madrid

Generic Alert log metric

I'm trying to figure out how to setup the generic alert log metric to run a corrective action based on a warning .
So when i try to work with the generic alert log metric .
it provides a time/line number which has an all others with a warning and a critical .
if i tried to add a new line with a % in the time/line number and warning expression it wont let me add it .
what am i doing wrong here . Obviously since this is the alert log i will not know the time or line number of when i will recieve this error unless i'm reading something wrong here.

if i tried to add a new line with a % in the time/line number and warning expression it wont let me add it . Try "%" (in quotes)

How to be notified for all ORA- Errors recorded in the alert.log file

based on Note:405396.1, I Changed the Matches Warning from the default value ORA-0*(600?|7445|4[0-9][0-9][0-9])[^0-9] to ORA-* in order to receive an warning alert for all ORA- errors.
but I just recieved the alert like the following:
Metric=Generic Alert Log Error
Time/Line Number=Mon Feb 25 23:52:21 2008/21234
Timestamp=Feb 26, 2008 12:06:03 AM EST
Severity=Warning
Message=ORA-error stack (1654, 1654, 1654) logged in /opt/oracle/admin/PRD/bdump/alert_PRD.log.
Notification Rule Name=Alert Log Error
Notification Rule Owner=SYSMAN
as you can see, the message only indicate the ORA-1654, nothing else.
How to set in 10g grid control to get the details alert that in the alert log like:
"ORA-1654: unable to extend index ADM.RC_BP_STATUS by 1024 in tablespace PSINDEX"
I can't believe Oracle 10g Grid control only provide the ORA- number without details

Go to your database target.
On the home tab, on the left hand side under Diagnostic Summary, you'll see a clickable date link next to where it says 'Alert Log'. Click on that.
next click on Generic Alert Log Error Monitoring Configuration (its at the bottom)
In the alert thresholds put:
ORA-0*(600?|7445|4[0-9][0-9][0-9])[^0-9]
I believe that will pick anything up but experiment, its only perl.
If you want to test this use the DBMS_System.ksdwrt package but I would advise you only do so on a test database. If you've never heard of it, google it. Its a way of writing to your alert log.
Make sure you have your emails sent to long format as well.

How to check particular error in alert log file

Hi all,
How to check particular error in alert log file,for supose if i get error in batabase yesterday 4 pm & today i want to check alert log file to get basic idea..it might be a big file so how to check that particular error..
Thanks & regards,
Eswar..

What's your oracle version?
If you are in 11g you can use adrci tool
1- set homes diag/rdbms/orawiss/ORAWISS/ : the rdbms home
2- show alert -P "MESSAGE_TEXT LIKE '%ORA-%'" -term : to find all the ORA-% errors in the alert file
3- show alert -P "MESSAGE_TEXT LIKE '%ORA-%' and originating_timestamp > systimestamp-51 " -term : to find all the ORA-% errors in the alert file during the last 51 days,
4- show alert -P "MESSAGE_TEXT LIKE '%ORA-%' and originating_timestamp > systimestamp-1/24 " -term : to find all the ORA-% errors in the alert file during the last hour,
5- show alert -P "MESSAGE_TEXT LIKE '%ORA-12012%' and originating_timestamp > systimestamp-1/24 " -term : to find the particular ORA-12012 error in the alert file during the last hour,
Example:
[oracle@wissem wissem]$ adrci
ADRCI: Release 11.2.0.1.0 - Production on Wed May 4 10:24:54 2011
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
ADR base = "/home/oracle/app/oracle"
adrci> set homes diag/rdbms/orawiss/ORAWISS/
adrci> show alert -P "MESSAGE_TEXT LIKE '%ORA-'" -term
ADR Home = /home/oracle/app/oracle/diag/rdbms/orawiss/ORAWISS:
adrci> show alert -P "MESSAGE_TEXT LIKE '%ORA-%'" -term
ADR Home = /home/oracle/app/oracle/diag/rdbms/orawiss/ORAWISS:
2010-12-11 19:45:41.289000 +01:00
ORA-1109 signalled during: ALTER DATABASE CLOSE NORMAL...
ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below
ORA-01152: file 1 was not restored from a sufficiently old backup
ORA-01110: data file 1: '/home/oracle/app/oracle/oradata/ORAWISS/system01.dbf'
ORA-1547 signalled during: ALTER DATABASE RECOVER database until time '2011-01-21:10:48:00' ...
Errors in file /home/oracle/app/oracle/diag/rdbms/orawiss/ORAWISS/trace/ORAWISS_j000_5692.trc:
ORA-12012: error on auto execute of job 29
ORA-01435: user does not exist
2011-03-15 11:39:37.571000 +01:00
opiodr aborting process unknown ospid (31042) as a result of ORA-609
2011-03-15 12:04:15.111000 +01:00
opiodr aborting process unknown ospid (3509) as a result of ORA-609
adrci>
adrci> show alert -P "MESSAGE_TEXT LIKE '%ORA-%' and originating_timestamp > systimestamp-51 " -term
ADR Home = /home/oracle/app/oracle/diag/rdbms/orawiss/ORAWISS:
2011-03-15 10:19:45.316000 +01:00
Errors in file /home/oracle/app/oracle/diag/rdbms/orawiss/ORAWISS/trace/ORAWISS_j006_5536.trc:
ORA-12012: error on auto execute of job 26
ORA-01435: user does not exist
Errors in file /home/oracle/app/oracle/diag/rdbms/orawiss/ORAWISS/trace/ORAWISS_j000_5692.trc:
ORA-12012: error on auto execute of job 29
ORA-01435: user does not exist
2011-03-15 11:39:37.571000 +01:00
opiodr aborting process unknown ospid (31042) as a result of ORA-609
2011-03-15 12:04:15.111000 +01:00
opiodr aborting process unknown ospid (3509) as a result of ORA-609
adrci>

If alert log is deleted, how to restore it?

Hi,
I want to know if Alert log is deleted, how to restore it?

RMAN does not backup the alertlog, only an OS filesystem backup does this. In 11g and higher there are 2 versions of the alertlog, the well-known textfile and now additionally a file in xml format. IF only the text version is lost, command line utility adrci can still access the xml file:
http://docs.oracle.com/cd/E11882_01/server.112/e22490/adrci.htm#BGBBBBEA

How to access alert log--- $ORACLE_HOME/saptrace/background

Hi,
Using the Alert log under $ORACLE_HOME/saptrace/background.
Is it possible to determine whether the database is currently in an intermediate start or stop phase.???
If it so how can i proceed the process for alert log?
with regards
vijay

Dear Vijay ,
Q ) Is it possible to determine whether the database is currently in an intermediate start or stop phase.??? - Yes log will provide the information .
Q ) If it so how can i proceed the process for alert log? ->
Under $ORACLE_HOME/saptrace/background you will find the log file alertsid.log .
Regards ,
Santosh Karadkar

How to read trace files alerted in the alert.log file

Hello,
My alert.log file indicated multiple trace files to review. How to read these trace files to understand the cause of errors. Do I open the trace files with vi and do a search for 'ORA-' error. Are there tools to read and understand trace files. Thank you.

It depends what kind of trace file it is.
You can use vi or other text editing tool to open the trace file. The trace file usually provides more detailed information when you have ORA- errors in alert.log. It's also very helpful for Oracle support when troubleshooting.

Removed standby but getting interesting alert log entry

So, we had multiple set ups of primary database in our local data center, standby in remote location.
We're in the process of shutting down our remote location and have shut down our standbys gracefully, i.e., shutdown managed standby mode, removed archive_log_dest, changed archive_log_dest_state, etc. However, in some primary databases, I'm seeing a weird entry in the alert log:
Changing destination 2 from remote to local during archival of log#: 2 sequence#: 48708 thread#: 1
If I check my local destination, the archive log is created fine. In the remote location, no archives are being created.
I've not found anything on Google, Metalink, anywhere! Has anyone else seen this before, and if so, do I need to worry about it?
Oracle version is 11.1.0.7

Hello;
Its just information. You can ignore it.
Went back to some 2010 alert logs and found :
network reconnect abandoned
Attempting destination LOG_ARCHIVE_DEST_2 network reconnect
Setting 'active' archival for destination LOG_ARCHIVE_DEST_2Not much chance of finding here as all old version of Oracle are gone and a SAN move makes old alert logs rare. Still it just information or Oracle would throw an error.
Best Regards
mseberg
Edited by: mseberg on Jul 31, 2012 11:32 AM
Later
Tried to recreate message using several combinations of the parameters you listed. Unable to recreate, but only have 11.2.0.3.0 to test on.
Edited by: mseberg on Jul 31, 2012 12:44 PM

How to view alert log?

I tried clicking on the xml alert log, but it goes into IE and tells me "Cannot view xml input using xsl style sheet...Only one top level element allowed in an xml document". I don't see any adrci, and I can't find any text file alert log? trace directory only has files beginning with cdump. database and dbs directories don't have it. And nothing about it in the docs?
I hope I'm missing something obvious. The database is running. XP Pro SP3.

Udo wrote:
Hello Joel,
the good old text alert log is still there, it just moved a bit. The default location would be ORACLE_HOME\diag\rdbms\xe\xe\trace, e.g. D:\oracle\product\database_xe_11_2\app\oracle\diag\rdbms\xe\xe\trace for the instance on my machine.Yep, that's the trace directory I was looking in, it only has an xml.
See this thread for further hints: {thread:id=2281565}(You had an extra ampersand in the thread id). Yeah, 'Diag Trace' says same directory.
Anyone know how to get the css right? I'm clueless about such things.
>
-Udo

How to open the alert logs

Hi Team,
I am doing database Refreshment. I want to monitor the alert logs.
Please suggest me, How to open the alert logs. Working on unix server.
Thanks & Regards,

if its 10g then go to bdump directory
you can either do tail -f <alert_log_name>
or vi <alert_log_name>
if 11g then you want should go to
$ORACLE_HOME/diag/$ORACLE_SID
the alert log file is in XML format as well as a text file. The default location of both these files is the new ADR home or Automatic Diagnostic Respository. The ADR is set by using the DIAGNOSTIC_DEST initialization parameter. The location of an ADR home is ADR_BASE/diag/product_type/product_id/instance_id. If the environment variable ORACLE_BASE is not set then DIAGNOSTIC_DEST is set to ORACLE_HOME/log
there are different directories for different types of alert log files
alert - The XML formatted alertlog
trace - text alert log

How to initiating entry in alert.log?

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